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BIO: VIRUS,MICROBES,DESEASES-HYGIENE

BIO•VIRUSES, MICROBES, DESEASES-HYGIENE
A:Choose the correct (1mark):
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1•The viral disease is— (a) Typhoid ; (b) Malaria ; (c) Influenza (d) Pneumonia.
2. Penicillium is a— (a) Beneficial fungi ; (b) Harmful fungi : (c) Beneficial virus ; (d) Beneficial bacteria.
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3•The Beneficial Fungi is— (a) Aspergillus : (b) Puccinia ; (c) Phytophthora ; (d) Saccharomyces.
4•Virus is — (a) Prokaryotic ; (b) Eukaryotic ; (e) Mesokaryotic (d) Acellular organism
5•Bacteriophage is — (a) Beneficial bacteria ; (b) Fungi ; (c) Virus : (d) Bacteria.
6•AIDS caused by — (a) Protozoa : (b) Fungi ; (c) Virus : (d) Bacteria.
7•Polio caused by — (a) Bacteria (b) Virus ; (O protozoa ; (d) Fungi,
8•The bacterial disease is — (a) Typhoid ; (b) influenza ; (c) AIDS (d) Pox.
9•The disease caused by Fungi is — (a) Cholera : (bl TMV ; (c) Malaria ; (d) Brov.n rust The malarial parasitic microbe is — (a) Virus : (b) Protoma : (c) Bacteria ; (d) Fungi. Amoebiasis created bv the organism is — (a) Plasmodium ; (b) Entamoeba : (c) Puccinia ; (d) Mycobacterium. Which of the following diseases is transmitted by the fly r? (a) Cholera : (b) AIDS ; (c) Filaria ; (d) Malaria. Female Anopheles transmitted disease is — (a) Typhoid : (b) Polio : (c) Malaria ; (dj Filaria. Dengue is transmitted by— (a) Anopheles ; (bi Culex : (c) Aedes ; (d) Fly.
•832-Culex ; (c 15. Which of the following diseases is transmitted during the blood transfusion— (a) ÑDS ; (b) Polio ; (c) Tuberculosis ; (d) Cholera. 16. Which of the following is the vaccine of polio ? (a) DPT ; (b) BCT ; (c) opv ; (d) TT- 17. BCG isa vaccine of- (a) Cholera ; (b) Pox ; (c) Tuberculosis ; (d) Malaria. 18. Which of the following created the disease Leprosy ? (a) Virus ; (b) Bacteria ; (c) Fungus ; (d) Protozoa. 19. Rhizobium is — (a) Beneficial Bacteria ; (b) Harmful Bacteria : (c) Beneficial Fungi ; (d) Hannful Fungi 20. Bacteria is — (a) Prokaryotic ; (b) Eukaryotic ; (c) Acellular ; (d) Mesokaryotic. 21. Nitrogen fixing bacteria is— (a) Salmonella ; (b) Mycobacterium ; (c) Rhizobium ; (d) Lactobacillus
•833-22. Which of the following diseases is transmitted by aedes mosquito? (a) Malaria ; (b) Filaria : (c) Cholera ; (d) Dengue. 23. A virus Cannot be called an organism as — (a) A virus has DNA or RNA as the genetic material ; (b) A virus is very tiny ; (c) A virus is acellular ; (d) A virus infects a definite host. (Sample question 2011-'12) 24. A beneficial bacterium is — (a) Vibrio cholerae ; (b) Salmonella typhosa ; (c) Lactobacillus trichodes; (d) Mycobacterium. 25. A pathogenic virus which is transmitted with contaminated water is — (a) HIV ; (b) Polio virus ; (c) Influenza virus ; (d) Pox virus. (Sample question 2011- ' 121 26. Which type of micro-organism produces cholera in human— (a) bacteria ; (b) virus ; (c) protozoa ; (d) fungi. 27. A disease caused by protozoa is — (a) Rust disease of wheat ; (b) Cholera ; (c) Dysentry ; (d) Influenza. (Madhyam ik 2009) 28. The creature which transmits malaria is — (a) house fly ; (b) anopheles ; (c) culex ; (d) aedes, 29. A disease caused by virus is — (a) cholera ; (b) malaria ; (c) typhoid ; (d) polio. (Madhyamik 2010) :Madhyamik 2011)
•833-30. 2. 3. 4. 5. 6. 8. 11. 12. 13. 14. j malaria ; (O typhoid : (d) polio. A viral disease transmitted through blood is — (a) Influenza ; (b) polio ; (c) Hepatitis ; (d) Cholera. 'Madhyamik 2012) Answer in one sentence : What is capsid? What is capsomere? What is viral nucleoid? Mention one RNA animal virus. Write down the tadpole shaped virus. Mention one DNA animal virus. Write the full name of HIV. Write the full name of TMV. What is the name of microbe of cholera? Mention the bacteria which causes tuberculosis, Mention the microbes which causes typhoid. Define one bacteria which fixes the nitrogen. What is virion? Define one fungus which is used in bakery. (Each currying I mark)
•834-15. 16. 17. 18. 19. 20. 21. 22. 23. Mention two diseases which are transmitted by Ry. Mention two diseases which are transmitted by mosquito. Mention the names of two germkilters. Yeast is what rype of microbes? Write the name of one gram-positive bacteria. Mention one bacteria which exists in intestine and synthesizes vitamin B 12. Write the scientific name of malarial parasite. Write the name of one harmful unicellular animal. Mention one hepatitic disease which is transmitted during the blood transfusion. Or, Write the name of a disease which spread throuùl blood besides AIDS. Or, 24. 25. 26. 27. (Sample question 2011- ' 12) Name one disease of liver, which transmits through blood transfusion. (Madhyamik 2009) Which type of microbe causes the disease malaria in man? "Madhyumik 20031 Which type of microbe causes the disease cholera in man? Name one beneficial bacterium, Mention two practical applications of yeast. (Madhyamik 20041 (Madhyam ik 2006) (Madhyamik 2006)
•834-27. 28. 30. Or, Mention two practical applications of yeast. Write the full form of AIDS. (Madhyamik 20061 (Sample question 201 J- ' 12j Name the beneficial bacteria that can convert milk into curd. (Sample question 2011- 'J 21 Which fungus causes the black rust disease of wheat? (Sample question 2011-72) Which fungus is responsible for rust disease of wheat ?(Madhyamik 2012) Name the unicellular organism that is harmful to humans. 31. 32. 34. Or, 35. 2. Write One living character of virus. What is the full form of HIV? Name a virus which attacks bacteria. (Sample question 2011- ' 12) (Madhyurnik 20101 (Madhyam ik 2008) (Madhyamik 2007i Write the name Of a bacteria-destroying virus, (Madhyamik 2012) Mention the scientific name ofthe fungi which produces alcohol from sugar. Answer the following questions : What is virus? Give example. What is capsid? Mention the unit ofcapsid. (Madhyumik 201 Il (Each carrying 2 marks)
•835-3. 4. 5. 6. 8. 10. ll. 12. 13. 14. 15. 16. 17. 18. 19. Why is virus called acellular? Mention two non-living characteristic features of virus. Define two living characteristic features of virus. Why is virus called the intermediate organism between living and non- living? What is bacteriophage? Why is bacteriophage called the beneficial virus? What is bacteria? Give an example. Mention one harmful bacteria. Why is it harmful? Mention two harmful protozoas. Mention one bacterial disease and one viral disease which are transmitted by fly. Mention the disease which are transmitted by blood. Mention two viral diseases which are controlled by vaccination. What is hygiene system? Mention one each of usual control process of tuberculosis and leprosy. What is immunization? Give example. Write the name of two plant viruses — One Of them possesses DNA and other is RNA.
•835-19. Or, 20. Mention the names of two harmful diseases creating protozoa and also mention the disease created by them. Name two pathogenic protozoas and mention the diseases caused by them. (Sample quesrion 2011- ' 12) What is vaccine? Write two plant characters ofbacteria. Mention the names of two diseases creating bacteria and define their 21. 22. 23. 24. 26. 27. 28. or, 29. diseases. Mennon two plant viruses. Mention two animal viruses. Mention two differences between virus and bacteria. Mention two practical uses of yeast as useful fungus. (Madhyamik 2001) Write the names of a useful and a harmful fungi. (Sample question 2011— '12) What is the necessity of vaccination? What is vaccination? Why is penicillium called a beneficial fungus? (Madhyamik 20071 (Madhyamik 2003)
•836-30. 2. 3. 5. 6. 8. 9. 10. ll. 12. 13. What types of micro-organisms are Lactobacillus and Penicilliurn 2 How are we benefited from them ? Answer the following question : (Madhyarmk 2012) (Each carrying 3 marks) Describe the characteristic features of virus. What is the significance of virus? How is the polio virus transmitted? What is the significance of phage virus? What is the significance of bacteria? What are the symptoms of AIDS and describe its control. Who are affected by the disease AIDS? Mention the names of three types of mosquito and what type of disease is transmitted by them? Describe the diseases which are spread by mosquito. What is the function of vaccination and immunization in a contaminaled disease? Differentiate between TM V and Bacteriophage. Differentiate between typical cell and virus. Differentiate between bacteriophage and bacteria.
•836-14. 15. 16. 17. 18. 19. Differentiate between bacteria and protozoa. Differentiate between yeast and protozoa. Mention the symptoms of hepatitic disease. Why is bacteria included in plant kingdom? Describe the process of transmision of the disease typhoid. Which organ is mainly affected by TB? Describe the transmission method of this disease, 20. Mention one nitrogen fixing bacteria and describe its function. 21. Write the name of one parasitic fungus in plant body. Mention its host and creating disease and describe the transmitted process. 22. What are the symptoms of malaria and describe its controlling process. 23. What is the general germ killer? How many types of germ killers are there? 24. Mention some germ killers and their uses. 25. Write two ways by which hepatitis could be transmitted and one measure to prevent infection by the disease. (Sample question 2011- ' 121 26. Name two diseases caused by blood transfusion in man. What do you mean (Sample question 2011- ' 12) by immunizaion?
•837-Mention two differences between bacteria and virus. Name a disease where the germ is carried by housefly. (Sample question 2011-.12) 28. What is bacteriophage? Why is virus considered to be an intermediate 29. 30. 31. 32. 33. 34. 35. 36. substance between the living and non-living? (Sample question 2011-'12) Write the hill name of AIDS. How does the polio virus infect a child's body? (Sample question 2011-'12) How do the infections of influenza, polio and AIDS take place in human body? (Madhyamik 2010) Explain how immunization takes place and give an example. (Madhyamik 2009) Name two diseases which are transmitted by housefly and mention its role in spreading those diseases. (Madhyamik 2008) Which kind of microbe is yeast and why is it called beneficial? (Madhyamik 2007) Define vaccination. Name two diseases that can be prevented through vaccination. (Madhya,nik 2011) Name the protozoa causing dysentery. How is the disease transmitted ? (Madhyamik 2012) What is the main aim of vaccination ? Name two diseases carried by each of housefly and mosquito.
•837-E. Answer the following questions : (Each carrying 5 marks) l. Why virus is called the intermediate organism in between living Or non- livino substance? Describe the structure of a typical virus. 2. Describe the structureofa typical bacteriophage. Mentionone animal virus which bears DNA in nucleic substance. 3. Write the names of different types of viruses as per their structure. Give an example ofeach. Mention the different types of bacteriophage and give an example of each. 4.' What type of disease is created by HIV in human body? What is the transmitting process of HIV in human? What are the symptoms of Leprosy? 5. 6. Write the characteristic features Of bacteria. Write the beneficial phenomenon of Rhizobium. Write the names of three harmful bacteria and mention their harmfulness. Differentiate between virus and bacteria. 3+2 Describe the characteristic features of Fungus. Mention One beneficial fungus and one harmful fungus.
•838-8. 10. Mention one beneficial bacteria and one harmful fungus. Differenti between bacteria and fungus. What is the role of mosquito in spreading the diseasesý Describe the i controlling method of mosquito. Name two diseases which are transmitted by housefly and mention its role (Madhya,nik 20081 23 in spreading those diseases. ll. What types of diseases are protected by the vaccination of BCG and DPT vaccine? Mention the different types of germkillers and their usu. 2+3 12. What is vaccination? Briefly discuss the different types of vaccinations which are used up to five years in a new' born baby. 13. Write the names of diseases transmitted by each of mosquito and housefly. What is the importance of vaccination? What is immunization? F. Draw and labelled picture : l. Draw a typical bacteriophage and label. Draw a typical Bacteria and label. (Sample question 2011-'12) (Each carrying 8 marks) 5+3

BIO: REPRODUCTION AND HEREDITY

Reproduction and Hereditv
•799
•A. Complete the sentences choosing the correct answer : (Each carrying I mark) - l. The organism forms the offspring of its own identity— (a) by growth; (b) heredity : (c) by reproduction ; (d) by grov,th, reproduction and heredity. 2. The actual spore is formed— (a) in vegetative reproduction ; (b) in asexual reproduction ; (c) in sexual reproduction ; (d) in parthenogenesis. 3. The physiologicallbiological process by which the organism maintains its own identity is called—
•799-(a) in vegetatm: reproduction (b) in asexual reproduction (O in sexual reproduction (d' in parthenogenesis, 3. The physiological.biolog.cal process by which the organism maintains its own identity is called— (aj Heredity ; (b' Reproduction : (O Evolution : (d) Adaptation. 4. The sexual reproductive organ of the flowering plant is— (a) Root ; Stem ; (c) Leaf ; Cd) Flower. 5. The name ofthe process by which the offspring is formed from unfertilized (a) vegetative reproduction : (b) asexual reproduction ; sexual reproduction : (d) parthenogenesis. 6. Complete reproduction b; budding— (a) Onion ; (b) Saccharumvce", : (c) Pararnoeûuen ; (d) Volvox 7. Name the reproductive process whÈre muntion is observed— (a) vegetative reproduction 1b) sexual reproduction : (c) asexual reproduction ; (d' parthenogenesis. 8, The nature of endosperm— (a) Haploid ; (b) Diploid . (c) Triploid : (d) Tetraploid. 9. An example of asexual reproduction is— (aj Spore formalion of MLicor (b' Fragmentation in spirogyra : Fertilization oftood : rd) formation in hern 10. The name of the reproductive pro-zos where regeneration occurs this— (a) Vtgdative reprœjuction : Asexual reproduction : (c) Parthenogenesis: (d) Sexual reproduction.
•800-I IL Gamete formation and fertilization occur through— (a) Vegetative reproduction ; (b) Asexual reproduction ; (c) Sexual reproduction ; (d) Parthenogenesis. 12. Foliage bud is found in— (a) Sweet potato ; (b) Bryophyllum ; (c) Opuntia ; (d) Sundari Tree. 13. The non motile spore is called— (a) Chlamydospore ; (b) Parthenospore ; (c) Zoospore ; (d) Aplanospore. 14. Diploid embryo or zygote is formed in— (a) Vegetative reproduction ; (b) Asexual reproduction ; (c) Sexual reproduction ; (d) Parthenogenesis. 15. Asexual and Sexual reproduction both happen in— (a) Fivdra : (b) Earthworm ; (c) Leech ; (dj Cockroach. 16. The process of reproduction where it forms the fragmented bodv pans of the organism— (a) Asexual reproduction : (b) Sexual reproduction ; (c) Parthenogenesis ; (d) Vegetative reproduction. 17. — occurs through reproduction— (a) Growth : (b) Adaptation ; (c) Evolution ; (d) Heredity and evolution. 18. The fusion of two different types of gamete is called—
•800fal Growth ; Adaptation ; (O Evolution ; (d) Heredity and evolution, 18. The fusion of two different of gamete is called— (a) Cleavage (b) Fertilization ; (c' Vegetative reproduction ; (d) 19. The sexual reproduction through conjugation happens in— 20. 21. 72. 23. (a) Spirogyra ; (b) Hvdra ; Mango Tree (dj China Rose. The reproduction in Pislia eichhomiu (water hyacinth) rxcurs by— (a) Runner ; Stolon ; (c' Offset : rd) Sucker. The vegetative reproduction of onion occurs by— (a) Bulb . (b) Buds ; (O Tuber; (d) Rhizome. The ceil division of bacterium is— (a' Asexual reproduction : Sexual reproduction : (c) Vegetative reproduction ; (dl Parthenogenesis. Blastogenic reproduction is called— Vegetative reprñction ; (b) Asexual reproduction (c) Parthenogenesis; (c) Sexual (c) Sexual (d) Sexual reproduction. 24. Helps in proper evolution— (a) Vegetative reproduction : (b) Asexual reproduction ; reproduction ; (d) Parthenogenesis. 25. Maximum No. of offsprings are produced in— (a) Veeetative reproduction ; (b) Asexual reproduction - reproduction ; (dj Parthen02ene5is. 26. Reproduction occurs through bulbil in— faj Globba ; (b) Onion : (c' Spirogyra • (d) Sponge.
•801-TEST PAPERS - LIFE SCIENCE _ 7. Amitosis occurs -28. 29. 30. 31. 32. 33. 34. (a) Asexual reproduction ; (b) Sexual reproduction ; (c) Vegetative reproduction ; (d) Parthenogenesis. The -fusion of two similar types of gamete is called— (a) Anisogamy ; (b) Oogamy ; (c) Isogamy ; (d) Paedogamy. Attaining the power of reproduction at larval stage is called— (a) Paedogenesis ; (bj Neoteny ; (c) Parthenogenesis : (d) Spermatogenesis. The reproduction of seedless fruit without fertilization is called— (a) Parthenogenesis : (b) Paedogenesis ; (c) Oogenesis ; (d) Parthenocarpy_ The fertilization process of man is called— (a) Isogamy (b) Anisogamy ; (c) Oogamy ; (d) Paedoumy. Called " Father of Heredity." (a) Mendeleev : (b) Bateson and Punnett ; (c) Hugo De Vries ; (d) Gregor Johan Mendel. The external feature of the organism is called— (a) Ho\otype ; (b) Genotype ; (c) Phenotype : (d) Ecotype. What woujd be the percentage of pure tall plant when a cross is made between and Tt oenotypic pea plant ? (a) 100% ; (dt 25%. btained from a cross between
•35. 37. 38. 39 40. • crœs is made between and Tt genotypic pea pram ? (al torr:,; ; (b) : (025%. The pea plants produced from the seeds obtained from a croqs between hybrid tali I Ttl and pure dwarf (r) pea plant will tr. (a' Ail tan ; (b) All dwarf ; tall, dwarf; tall. dwarf. fMadhyumik 2008) The phenotypic ratio of F, generation ofrnonohybrid cross is— The genotypic ratio of F, generation of monohybrid cross iv— (02: t: The name of Mendel's first law— (aj Law ofaggregation ; (b' Law of independent assortment ; (c) Law of dominance ; (dj Law of segregation, The name of Mendel 's second taw : (a) Law Of dominance : (b) Law of segregation ; (e) Law of independent assortment (d) Law of aggregation. Which one is expressed by BBSS— (a) Black coloured with smooth fur guineapig ; (by Black coloured with roueh fur guineapig (O White coloured with smooth fur guineapig (d) White coloured with rough fur guineapig. 41. The phenotypic ratio deduced from Mendel's d;hvbridcros is— 'Swnp;e question - 'i 21 svp3i
•802-PAPERS 42. Name the experiment where black and rough. black and smooth. v,ttire e,: rough and white and smooth, characteristic guineaptgs are respectivelv in F2 generation— (a) Trihybrid cross experimeni ; (b) Back cross ; Test cross ; (dj cross. 43. When a crosS is made between a pure black and a ture while guir.eapigs the colour of the guineapig in Fi generation wili be— (a) Black : (b) White ; (c) Grev ; (d) Mixed cofoun 44. When a cross is made round and pure wrinkled pea plants the 45. 46. 47. 48. seeds will be formed in F ! generation— (aj Oval : (b) Pure round : (c) Wrinkled round : (dj Star shaped. When a cross is made between pure tall and pure dwarf pea plant. the pea plants in F generation will be— (a) Pure tall ; (b) Pure dwarf: (c) Hybrid tall ; (dý Medium tall. Gregor Johan Mendel selected for his experiment— (a) Moang Tree (Greengram Tree) ; (b) Mango Tree ; (c) Maize Pmt ; i-dõ Pea piant The characteristic of type expressed by gene is câiled— (aj Karyotype : (b) Fiolotype ; (c) Phenotype ; Genotype. The vzenŒypic ratio (If generaiion of dih.,'bnd cross is-L—
•802-e of F, generarãon of cross 49. How many types of genotypic plants will got from the b..etuéetl two hybrid tall plants (a) One type : (b) Two types (c) Three types ; rd) Four types. 50. The normal chromosome number of our body cell is— 51, The chromosome nurntxr of the endosp-rrn of dicot fiowering plant— 53. 54. 55. The chromosome number of a gamete is— N ; (b) 2N ; (c) ; (d' 43'. The term 'genetics' was first used bv— (a) Mendel ; (b) Bateson fcj Suiton : (d') Larnarek. The father of eenetics is— (a) Stilton : (b) De ; (c. Mendel : (dj Bateson. Among the following. which one is applicable to a normai maie (0 44A.XX : (b) 4-1,'s€X'r' 44A-XXY ; (d' 44A-XïY. tMadhy.rmtk 201.171 56. In human the normal female posseses - (a) 44A+.XY (b) "A-XX ; (c) UA-XO ; (d) UA=XXY. 57. In Menders dihybrid cross experiment, the phenotype Of yellowcliknz-.edj round seeded plant of F z generation is (a) part (b) pan ; (c) part ; (d) par.
•803-59. 60. 61. In pea plant the number of pure contrasting characteristics are : (a) 7 pairs (b) 9 pairs : (c) 5 pairs ; (d) 2 pairs, The genotype of pure dwarf pea plant may be : (OTT; (b) t. Contrasting pairs of different characters is called : (a) Homozygous ; (b) Homozygous ; (c) Alleles ; (d) Genotype. In dihybrid cross the number of phenotvpic plant in F, generation is : (a) One type ; (b) Two types ; (c) Three types ; (dj Four types. 62. In dihybrid cross t}-æ number of genotypic plant of F: generation is : (a) Four types ; (b) Six types ; (c) Nine types ; (d' Twelve types. 63. In which of the following organisms the female reproductiveceilcandevelr:l' into an offspring without fertilization : (a) Toad ; (b) Honey bee ; (c) Pigeon ; (d) Pea plant. (Sample question 2011-'12* 64. Ifhvbridization is made between two hybrid tall pea plants; the hybrid 1211 pea plants in Fl generation will be— (a) (b) ; (c) ; (d) 100%. 65. The nature of pure organism is always— (Madhvamik 201 (aj Heterozvuous : (b) Homozygous ; (c) Hemizvgous : (di All of tite abcve. 66. The percentage of dwarf plant in F! generation wili be formed whea a
•803-65. The nature of pure organism is always— (a) Heterozygous : (b) Homozygous ; (c) Hemizygous : (dj All of the above. 66. The percentage of dwarf plant in F generation will be formed when a cross is made between two hybrid tall plants— (a) ; (b) ; (c) ; (d) 100%. 67. In case of which of the organisms offsprings develop from female gametes without fertilization ? (a) Honey bee ; (b) Toad ; (c) Mango tree : (d) Pigeon.(Madhyumik 2007) 68. An animal which performs asexual reproduction is— 69. 70. 2. 3. 4. (a) Toad ; (b) Bird ; (c) Amoeba ; (d) Earthworm. (Madhyamik 2010) The number of autosomes present in a somatic cell of man is— (Madhyamik 2009) (a) 46 ; (b) 44 : (c) 23 : (d) 22. The animal which is formed by the process of "parthenogenesis" is— (a) Queen honeybee : (b) Worker honeybee ; (b) Male honeybee or Drone: (d) All types of honeybee. Answer the following questions in a sentence: (Each currying J marki Write one importance of reproduction? What is the unit of sexual reproduction? What is the unit of asexual reproduction? How many types of reproduczion Occur in Muecor? (Madhyamik
•803-2. 4. 5. 6. 8. What is the unit of sexual reproduction? What is,the unit of asexual reproduction? How many types of reproduction occur in Mucor? How many types of reproduction occur in Spirogyra? In which process does amoeba reproduce? How mans types of reproduction occur in Hvdra? What is called thç fusion of two gametes?
•804-10. ll. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. SECONDARY TEST What is called the fusion of two similar gametes? What is called the fusion of two dissimilar gametes? Where is the conjugation happened? What is called the cell that forms first after conjugation? Name a plant which reproduces through conjugation. Where does the double fertilization occur? What is self-fertilization? In which types of animal does self-fertilization occur? Write one importance of cross fertilization? In which type of animal does cross fertilization occur? Name an animal which reproduces through conjugation. What is the number of chromosomes in endosperm? Which part of the pistil of a flower is converted to fruit? Which part of the pistil of a flower is converted to seed? What is the other name of fertilized egg? What is called the unfertilized egg which takes part in parthenogenesis? What is the process of formation of egg called?
•804-25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46, What is the process of formation of egg called? What is the process of formation of sperm called? What is syngamy? What is sporogamy? What is mesogamy? What is chalazogamy? What is micropyle? What is integument? What types of nucleus are found in the embryo sac of a flowering plant? What is the fusion oftwo small, motile and large non motile gametes called? What type of fertilization occurs in fish and toad? What type of fertilization occurs in man and guineapig? What is the number of chromosome in germ cell or gamete? What is the number of chromosome in zygote? What is formed from fertilized egg? Write the name of a plant where parthenogenesis is found. Write the name of an animal where parthenogenesis is found. By which process bacteria do vegetative reproduction? What type of cell division occurs in bacterial reproduction? Name two animals where internal fertilization occurs. Name two animals where external fertilization occurs, Which plant reorrrduces through root hild9
•804-44. 45. 46. 47. 48. 49. Name two animals where internal fertilization occurs. Name two animals where external fertilization occurs. Which plant reproduces through root bud? Name a plant which reproduces through the modified auxiliary flowino bud. Write the name of a plant which reproduces through shoot bud. Name the plant which reproduces through foliage I leaf bud.
•805-50. 53. 54 _ 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67. Which pan of the onion actually helps in reproduction? Name a plant which reproduces through runner Name a plant which reproduces through sucker. Name a plant which reproduces through offset. Name a plant which reproduces through stolon. Name a plant which reproduces through modified root. Which part of the potato helps in reproduction? V.tich pan of the ginger helps in reproduction? What is the name ofthe subaerial stem of oxalis takes part in reproduction? What is the name of the subaerial stern of chrysanthemum which takes part in reproduction? What is the name of the subaeriai stern of mutha grass which takes part in reproduction? What is the name of the subaerial stem of strawberry which takes part in reproduction? What is the name of the subaerial stem of pistia which takes part in reproduction? What is the name of the subaerial stem of mutha which takes part in reproduction? In which type of vegetative reproduction stock and scion are used? What is stock? What is scion? BY which process an another organism of same entity
•805-67. 68. 69. 70. 71. 72. 73. 74. 75. 76. 77. 78. 79. 80. 81. 82. 83. 84. By which process an organism can produce another organism ofsame entity j' kind? In which type of reproduction gamete or germ cell is formed? In which type of reproduction gamete is not formed0 What is the name of non flagellated spore? Name a plant which reproduces only by vegetative reproduction. Name an animal which reproduces only by asexual reproduction. Reproduction of Amoeba — sexual or asexual? Give an example of vegetative reproduction in plant. (Sample question 20111- 12) What type of reproduction can produce developed organism? In which type of reproduction is meiosis essential? Name a plant which reproduces through bulbil- Which animal reproduces through fragmentation? Which animal reproduces through budding? Which type of reproductive unit is spore? In which process does the sponge reproduce? Which animal reproduces throueh amitosis process? Which animal reproduces through multiple fission? Which animal reproduces through binary fission?
•806-85. 86. 87. SS. 89. 90. 91. 92. 93. 94. 95. 97. 98. 99. 100. 101. 102. 103. Which plant reproduces through adventitious bud? Which plant reproduces through leaf thin? ' Which plan: reproduces through modified underground stern? In which pan of plant are spores produced? Give an example of motile spore. In which plant is non-motile spore formed? Name an animal that can perform both sexual and asexual reproduction. (Sample question 2011- Name a plant where alternation of generation occurs. Name an animal where alternation of generation occurs. What type of gamete takes par in parthenogenesis? What type of reproduction helps in evolution? What is the number of chromosome in mother germ cell? if a plant has 2n=18, what is the number Of chromosome in egg and endosperm of that plant? What is the process by which "seedless fruit" can be produced without fertiliution by applying plant hormones ? (Madhyamik 20121 Write the full name of father of eenetics. Who first coined the term genetics? What types of contrasting characters are present in a pea plant'? What is the name of Mendel's first law? What is the name of Mendel's second law?
•806-104. Why i; self-fertilization possible in a pea plant? 105. What is the name of the unit of heredity? 106. Write the genotype of pure dwarf pea plant. 107, Write the genotype of pure tall pea plant. IOS. Write the genotype of hybrid tall pea plant. 109. What is the name of main genetic material in a living cell? 110. What is called the taws and concept of Mendel in our term? Ill. What will be the percentage of pea plant of Fl generation after cross is made between hybrid tall and pure dwarf pea plant? 112. What is the phenotypic ratio of Mendel's monohybrid eross in F2? 113. What is the phenotypic ratio of Menders dihybrid cross in F2? 114. What is the genotypic ratio of Mendel's monohybrid cross in F 7? i 15. What is the genotypic ratio Of Mendel's dihybrid cross in F ? 1 16. Mention a pair of contrasting character of drosophila. 117. Mention a pair of contrasting character of guineapig. 118. Which animal is alwavs homozvgous? I .19. What will be the percentage of tall plant in F I generation when two hybrid tall pea plants are crossed? 120. What will be the percentwe of pure tall plant in F, generation when two hybrid tall pea plants are crossed?
•807-121. 122. 123. 124. 125. 126. 127. 128. 129. 130. 131. 132. 133_ 134. 135. 136. 137. 138. SECONDARY TEST PAPERS LIFE SCIENCE What will be the percentage of dwarf plant in F, generation when two hybrid tall pea plants are crossed? From which experiment do we get the law of segregation? From which experiment do we get the law of independent assortment? What is called 3 : I ratio in monohybrid cross? What is called I : 2: I ratio in monohybrid cross? What is called 9 : 3 : 3 : I ratio in dihybrid cross? What is called the organism having both dominant and recessive characteristics? What is the name oftvpe controlled by gene? What is the name of type controlled by external feature What is the name of the character which is expressed in hybrid organism? What is the name of the character which is expressed in hybrid organism? What is called the character which is not expressed hybrid organism? What do you mean by -IT? What do you mean bv Tt? What do you mean by it? Name a dominant and a recessive character in guineapig. Name a dominant and a recessive character in drosophila. What will be the percentage of hybrid plant formed in F I generation after Cross is made between two hybrid tall plants?
•807-139. 140. 141. 142. 143. 145. 146, 147. 148. 149. cross is made between two hybrid tall plants? Who used the term 'gene' first? Name the person who rediscovered Mendel's laws. Mention the chromosomal arrangement in male. Mention the chromosomal arrangement in female. What is called the contrasting pairs of opposite character in heredity? What type of bud is found in 20.urd for reproduction? Which chromosome helps to determine the sex in man. Who is heterogametic between man and woman? Who is homogametic between man and woman? What is female sperm? What is P-generation? 150. What do you mean by Fl generation? 151. 152. 153. 154. 155. 156. Which sex chromosome is present both in man and woman? How many types of gametes are formed in F I organism of monohybrid cross? How many types of gametes are formed in F I organism of dihybrid cross? What do you mean by P, generation in heredity? What do you mean by FZ generation? Which sex chromosome is found in human male? (Sample question 2011-'12)
•808-157. 158. 159. 160. 161. 162. 163. 161. 165. 167. 168. 169. 170. 171. SECONDARY TEST - What is the number Of sex autosome in man's body cell? What is autosome? Whal is allosome? What will be the ratio of drosophila in F, generation after cross is made betueen pure long winged and hybrid long winged drosophila ? Give one dominant and one recessive character of the pea flower. Give one dominant and One recessive character of the seed. Give one dominant and one recessive character of the pea fruit. What is allele ? Write Mendel's law related with monohybrid cross. (Sample questi0'i20.r I - '12) What is the unit of asexual reproduction plant ? (Sample question2011- '121 (Madhyamik 20091 What is the number of autosomes present in human sperm ? (Madhyamik 20121 If a hybrid tall pea plant is made to breed with a pure short one. what percentage of the Fl generation plants will be found to be hybrid tallo (Sample question 2011- What types of sex chromosomes are found in the cells cf human body? (Ma dlr,ramik 20081 What is genotype? (Madhyanúk 20 i 01 In which tyre of reproduction is there a chance Of appearance Of characters in offspring? (Mudiwunrik 201 'j
•808-(Madhyumik 20111 characters in offspring? 172. What is phenotype? (Madhyarnik 20081 173. What is hybrid? 174, What isthe typeofreproductionbywhich baby-plants grow at leaf-margin of Bryophyllum sp ? C. Answer briefly the following questions : l. Define and give example of reproduction. (Madhyamik 2012) (Each carrving 2 mark 2. Give two main significances of reproduction. 3. Define and give an example of vegetative reproduction. 5. 6. or, 8. 10. 11. 12. Define and give an example of asexual reproduction. Define and give an example of sexual reproduction. (Madhyamik 2008) Whar is parthenogenesis? Give an example. What do you mean by parthenocarpic fruit? Define and give example of parthenocarpy? What do you mean by preparation of grafting? What is curing? Define alternation of generation. What is gootee? What is layering? (Sample question 2011-'121
•809-13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. What is double fertilization? What do you mean by anisogamy? What do you mean by isogamy? What do you mean by oogamy? What do you mean by syngamy? What is the main aim of vegetative reproduction? What is conjugation? What do you mean by external fertilization? What do you mean by internal fertilization? What is sexual dimorphism? What is viviparous animal? What is oviparous animal? What is ovoviviparous animal? What do you mean by fertilization? How is the definitive nuclears formed in a flowering plant? Give one example of asexual reproduction of plant and animal. How is the endosperm formed in double fertilization? If the chromosome number in a plant is 18, what will be the chromosome number in leaf. sperm, egg and endosperm of that plant? What is zygospore?
•809-What is azygospore? How many types of parthenogenesis are formed and what are they? Ifa Y Y P.R (Pure dominant vellnv. and round seeded pea plant is hvbridiscd With yyrr (pure recessive green and wrinkle seeded) pea plant. What *ill be the geror,pe of the plants oblained in Fl generation? Wrire the phenotypic ratio obtained in F, generation in the said dihvhrid cross. Write two advantages of veeeiative reproduction. Write two advantages of asexual reproduction. State two differences between sexual and asexual reproduction. (Sample question 2011-'121 Write two disadvantaees of vegetative reproduction. 33 34. 35. 36. 37. 38. 39. 41. 42. 43. 44. 45 _ 46 _ 47. 48. 49. Write two disadvantages of asexual reproduction. Write two disadvantages of sexual reproduction. Whal is neoteny? What is paedogenesis? Write two differences between binarv and multiple fission. Write two differences between sexual reproduction and parthenogenesis. Write two differences between conjufflion and fertilization. Write two differences between external and internal fertilization. Write the origin and function of bulbil. Write the origin and function or spore. What do you mean by spermatogenesis?
•810-50. 51. 52. 53. 54. 55. 56. What do you mean by oogenesis? Define heredity. What is homozygous? What is heterozygous? Write two differences between homozygous and heterozygous. What do you mean by pure character? What do you mean by hybrid character? 57. What do vou mean by dominant character? Explain with example. 58. What do you mean by recessive character? Explain with example. 59. What do you mean by genotype? 60. What do you mean by phenotype? 61. 62. 63. 64. 65. 66. 67. 68. What is allele or allelornorph? (Sample question 2011-'121 Write two differences between dominant and recessive character. What is homozygote? What is heterozygote? What do you mean hybridization? What do you mean by genetics? What do you mean by locus of gene? (Sample question 2011-'12) (Sample question 2011-'121 Write Mendel's first law or law of segregation. (Sample question 2011-'121
•810-69 70. 71. 72. 73. 74. 75. 76. 77. 78. 79. 80. 81. 82. 83. 84. 85. 86. 87. Write Menders second law or law of independent assortment. Write Mendel's conclusion on dominance. What do you mean by monohybrid cross? What do you mean hy dihybrid cross? What do you mean by parental generation? What do you mean by offspring? What is checker board? Mention the phenotype of Tr. Tt- ti plant. Why is man called heterogametic and woman called homogametic? What is genome? What is back cross? What is test cross? What do you mean by incomplete dominance? What is the relation between phenotype and genotype? What types of Earnetes are produced from hybrid yellow coloured round seeded pea plant (YyRr) and what are those? (Sample question (Madhyamit. 2009ý Explain the concept ofdominance from Mendel's monohybrid cross. (Sample question 2011- ' 121 Mention two importancesof sexual reproduction. (Madhyamik 201 Oj Write four reasons for selecting pea plants by Mendel for his experiments How rnanv types of gametes may be produced after meiosis from a round (Madhyamik 20121 yellow (RRYy-genotype) seeded pea-plant ?
•811-rx Answer the following quoth-ns in short sentences : currying marks' Write a chart of different tupe of reproduction. Re fate reproduction and heredity Relate reproduction and cell division. Write a short note on double fertilization. Write examples of various types of natural vege:arive reproduction in plan* nn a tabular form Write examples Of various types Of artificial vegetati.e reprrAucOon in plant in a tabular form. Write three major significances ofveee!ative reproduction Write three major si£nificances of asexual reproducti.:n 8. 10. ll. 12. 13. 14, 15. 16. or, 17, 19. Write three major significances of sexual reproduction Write three major siznificances of parthenogenesis Write a brief note on buihil Write a brief significance of reproduction, Write briefl'.' ahut the processes of asexual reproduction Write two advantages and one disadvantage of asexual reproduction, Write two advantages and one disadvantage of sexual reproduction Write briefly atxyut the process of parthenogenesis with example. What is parthenoeenesis? Name one plant and one animal where parthenogenesis is found 2010' Write a shon note on grafting. Write three major di fferences txtween asexual and vezetalive reproductiorr Mention three differences between asexual and sexual reproduction (P. 'adh'yunn;. 201 J
•811-18. 19. 20. 21. 22. 23. 24. 26. 27. 28. 29. GO. 31. 32. Write three major differences between asexual and vegetative reproduction. Mention three differences between asexual and sexual reproduction. (Madhyamik 20121 Write three major differences between sexual and vegetative reproduction. Write three major differences between conjugation and fertilization. Write briefly about different types of sexual reproduction organ. Explain in vegetative reproduction the characteristics of mother organism is kept unchanged. Explain why variation is observed in sexual reproduction. Why is the gamete formed by mitosis process in male wasp? Explain briefly about the role of meiosis in sexual reproduction. Explain briefly — vegetative reproductive process is not essential for survival of species. Write the conclusion of Mendel obtained from his monohybrid cross. Recessive is always homozygous — explain briefly Explain briefly the role of Y chromosome for formation of male child. The tall trait is dominant over recessive dwarf trait. The tall : dwarf = I : ratio is obtained after a cross was made between pure tall pea plant and
•812-unknown genotypic tali pea plant. What is the actual genotype of unknt„, tall plant? Explain it with the help of a checker board. 33. Mention three important reasons for selecting pea-plant (pisum sativurn; for his hybridization experiments by Mendel. (Madhyamik 2008. 34. How did Mendel explain for obtaining all tall pea plants in Ft generation after his monohybrid cross? 35. How did Mendel explain forgetting tall and dwarf pea plant in 3 : I ratio of F I generation in his monohybrid cross experiment ? 36. The isdorninantandthe large hair (s) of guineapig 37. 38. 39. 40. 41. 42. is recessive trait. What will be their offsprings if a cross is made between two heterozygous guineapig? In human beit12 the brown eye colour (B) is dominant over the blue colour (b) between two children of brown eyed mother and blue eyed father one is bromi eve-d and another is blue eyed. Calculate the genotype of all the members of the family, Define Mendel 's first and second law. State three contwting owy5ite traits Of pea plant according to dominant and recessive form. Write three major causes of Mendel's success. What do you understand by allele, hybridization and phenotype in heredity" (Sample question 2011.. t 24 Define alternation Of generation. Give an example Of a plan: where it is (Sample question 2011- . i 24
•812-.10. 41. 42, Witc three causes Of Mendel's success- What do you understand hy allele, h', bridization and phenot.,v: in heredity? IS.mple quertien 2011- '12' Define alternation of generation. Give an example of a plant where it iv question 2011- found. Or, Wbät is alternation of generation? Write with an example. (Madhyamik t,tIarÅr,- 20971 Or, Discuss allternztigyn of generation With example - Answer the following questions : (Each currying 5 murky' l. What is reproduction? Write the major significance of reproduction. Whv i', the reproduction essential survival of the species? Write four main of reproduction and give eurnpie of Write briefly about the inificial veeetative reproduction of plu--.t_ Write about the various types of natural vegetative reproduction with example. Write how underground modified stem naturallv reproduces. . Write how subaenal modified stern naturallv reproduces. Writt how aerial modified stern naturallv reproduces. Wile brie", at-out the process of double fertilization in flowering plant. 9. Writ the various ways of plant's reproduction throw* axial bud. Write Significance ofreproduction What is the relation between growth e tassify rep:oduction in a tabular form and give example in each case.
•813-12 What is vegetative reproduction? How does the reproduction take placc by budding. fission and fragmentation? Write the significance of vegetative reproduction. Write two advantages and two disadvantages of vegetative reproduction By which process does the animal reproduce asexually? Briefly explain the process of repoduction by fission in animal. Write three advantages of asexual reproduction and two disadvantages of asexual reproduction Define sexual reproduction. Write advantages and disadvantages of sexual reproduction. Define parthenogenesis. Write the significance of parthenogenesis. Whal are stock and scion? What are the advantages of grafting? What are the differences between gamete and gote? Compare sperm and 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 24. What is definitive nucleus' What is synergids? What i; egg apparatus? What will happen if a branch ofa chinarose tree is cut and implanted in wet Soil in rainy season? Explain brienv the monohybrid cross experiment of Mendel with the help of a checker board. Explain briefly the dihybrid cross experiment of Mendel with the help afa Explain 5nefly the dihybird cross experiment by guineapig with the hip of a checker board Write the role of sex chrOmo;omt in determination of sex of mun-
•813-24. 25. 26. 27. 28. 29. 30. 31. 32. or a cneei:er Board. Write the role of sex chromosome in determination of sex of man. What is dihybrid cross? Mention the contrasting characters of the pea plant which were used by Mendel in his dihybrid cross experiment. What types of gamete are formed from TtRr plant? Write seven pairs of contrasting opposite characters of pea plant according to dominant and recessive trait. What is incomplete dominance ? What is test cross? What is genome . What is hybridization? What were the actions taken by Mendel for his hybridization technique? Mention five reasons to choose pea plant in the hereditary experiment. Define dominant character, recessive character. genotype, phenotype and heterozygous on the basis of Mendel 's monohybrid cross experiment. Explain with conclusion the monohvbrid cross experiment in drosophila fly with the help of checker board. Write briefly the sex determination process in man with the help ofa checker 33. Explain Mendel's first law from his monohybrid experiment. What will be the zenotype and phenonpe of pea piani in F oeneration? 34. The short hair (s' of2uineapig is dominant and lone hair (s) Of žuineapig is recessive. What will be cause of the offsprings when two heterongus guineapig are crossed together?
•814-SECONûARYTESï 35. 'The red colour (R) of pea flower is dominant over white colour (f), what tvpe of flowering plant will be formed if a cross is made between hybrid red coloured flower pea plant and pure white coloured flower pea plant in F I generation? If same type of cross is made between hybrid and pure red coloured flower bearing plant, what will be the result in F i generation? 36. Explain with elaborate criticism of the law which Mendel got from his dihybrid cross experiment. 37. The black colour is dominant over white colour in guineapig. Write the result of the followino cross in guineapig. (1) Pure black (BE) (2) Hvbrid black (3) Hybrid black (Bf,) (4) Hybrid black (Bb) Pure white (bb) Pure black (8B) Hybrid black (Bb) pure white (bb) 38. What is hybrid? If a hybrid black haired guineapig is crossed with a white haired guineapig, what will be the phenotypes of two guineapigs of the first F I generation and why—explain with reasons. (Madhyamik 20081 39. Defineallele. Explain the concept ofdominance from Mendel's monohybrid cross. Write the law deduced by Mendel from this experiment. (Sample question 2011-72) 40. Write the full name of the father of genetics. What are phenotype and
•814-thu experiment. (Sample queytion 2011- ' 2) 40. Write the full name or the father Of genetics. What ate phenotype and genotype' If a Y Y RR (pure dominant yellow and round seededj pea plant is hybridised .vtth rr pure recessive green and wrinkle seeded' pea plant, what Will be the genotype of the plants Obtained in F I generation? Write the phenotypic ratio obtained in the F, generation in the said dihyhrid cross. (Madkyamik 200 7) 41. Write four reasons for selecting pea plants by Mendel for his experiments on heredity. Explain with reasons which one ofsperm or ovum is responsible for determination of sex in human being. (Madhyrmrik 201 Oi 42, Write the second law of Mendel. Explain why only tali In-a plants are produced in F generation of a monohybrid cross between pure tall (TTj and pure dwarf (111 pea plants. Mention the genotypic ratio obtained in the F: generation of the same cross. 2009' 43. Write the full name of 'FatherofGenetics', Whatdoyoumean by dominant and recessive characters ? Explain with example Mention "Law of independent assortment" , f,tfadhvumik 201 i) 44. Whar do you understand by the terms 'homozvgous' and 'heterozygous' conditions? Explain the law of independent assortment. (Sample question 2011—'/21 45. Black hair is dominant and white hair is recessive character of guineapiz Explain the result of a cross between two hybrid black guineapius with the help offi checker board. What types of garnets unite to form a female child In man ?

Bio*Nervous System and Sense Organs

BIO•NERVOUS SYSTEM AND SENSE ORGANS
A•Choose the correct.(1marks)
1•The first ever nervous system originates in— (a) Planeria ; (b) Paramoecium ; (c) Sponge ; (d) Amoeba. Sponge
2•The other name of Neurocyton is— (a) Nucleus (b)Soma ; (c) Neuron ; (d) Nissl granules.
3•The rate of transmitting nerve impulse in human body is— (a) 10-15 meter/sec ; (b) 20-30 meter/sec ; (c) Centron (d) Neuroglia.
4•Number of Cranial nerve present in the peripheral nervous system are- (a)10 pairs ; (b) 12 pairs ; (c) 15 pairs ; (dj 31 pairs
5•Nissl granules are present in— (a) Axoplasm : (b) Cytoplasm ; (c) Sarcoplasm : (d) Neuroplasm
6•Spinal nerve present in Peripheral nervous system is— (a) 10 pairs ; (b) 12 pairs ; (c) 15 pairs ; (d) 31 pairs.
7•Neurofibril is present in- (a) Neurocyton ; (b) Neuroglia : (c)Nephron ; (d) Nissl granules
8•Nerve consists of— (a) Nephron ; (b) Neuron : (c) Neuroglia : (d)Corpuscle.
9•Neuron covered by Myelin Sheath is called-(a) Neurofibril; (b) Neurocyton ; (c) Neuroglia ; (d)Medullated Neuron.
10•Neuroplasm is — (a) Cytoplasm of Neuroglia ; (b) Cytoplasm of Muscle Cell ; (c) Cytoplasm of Neuron ; {d) Cytoplasm of Glial Cell.
11•Nerve impulse receptors act with— (a) Sensory Nerve ; (b) Motor Nerve ; (c) Mixed Nerve (d)Medullary Nerve.
12•Neuroglia originates from— (a) Microglia ; (b) Astrocyte ; (c) Spongioblast ; (d) Ganglia.
13•The nerve which transmits impulse from CNS to muscle is— (a) Afferent Nerve ; (b) Efferent Nerve ; (c) Mixed Nerve (d)Medullary Nerve.
14•Acetyl choline is— (a) Synaptic Knob: (b) Neurohormone; (c) Synaptic cleft ; (d) Neurohumour.
15•The membrane that covers brain is— (a) Pleura ; (b) Mesentry ; (c) Meninges ; (d) Plasmalemma.
16•The part of Forebrain which controls vision is— (a) Frontal lobe ; (b) Occipital lobe : (c) Temporal lobe ; (d) Parietal lobe.
17•The liquid which fills ventricles of brain is— (a) Perilymph ; (b) Endolymph ; Cc) Plasma : (d) CSF.
18•Two parts of Cerebellum are connected with— (a) Vermis : (b) Purkinje fibre ; (c) Corpus callosum ; (d) Corpus Striatum.
19•The foramen through which Medulla oblongata is connected with Spinal (a) Foramen of Monro ; (b) Aqueduct of Sylvius ; (c). Foramen Magnum ; (d) Vermis.
20•Eye bail connects with eye-socket with— (a) 4 eye muscles ; (b) 5 eye muscles : (c) 6 eye muscles : (d) 7 eye muscles
21•The enzyme present in tear (a) Amylase : (b) Lacryzyme ; (c)Lysozyme ; (d) Bacteriozyme
22•Otolith is present in— (a) Incus ; (b) Eustachian tube : (c) Cochlea ; (d) Middle ear.
23•The connection between Middle ear and Pharynx is— (a) Hensen tube (b) Eustachian tube ; (c) Semi circular tube : (d) None of these.
24•Tastebud present on human tongue— (a) About 10,000 (b) About 15,000: (c)About 20,OOO : (d) About 25,000.
25•The region of human brain that reoulates "body balance" is— (a) Cerebrum ; b)Cerebellum ; (c) Thalamus ; (d) Medulla oblongata. (MP10,12)
26•The physiological gap present between two neurons is called— (aj Synapse (b) Nerve ganglion ; (c) Thalamus ; (d) Vermis.
27•Papilla of Tongue consists of about— (a) 8-10 tastebuds ; (b) 15-20 tastebuds ; (c) 25-30 tastebuds : (d) 100 tastebuds
28•Number of Cone cell present on human retina—(a)15-28 lakh (b)40-43 lakh (c)63-64 lakh ; (d) 75-76 lakh.
29•Which of the following is associated with Schwann cell? (a) Dendrite (b) Axon (c) Resin : (d) Nicotine.(MP09).
30•The structure of eye lens is— a.Convex (b) Concave ; (c) Biconcave ; (d) Biconvex.
31•Which part of the brain performs thermoregulation? (a) Cerebrum ; (b) Cerebellum ; (c) Hypothalamus ; (d) Pons.
32•Where is sclera located ? (a) Tongue ; (b) Skin ; (c) Eye ; (d) Ear.
B•Fill in the blanks : (1 mark).
1•The animal on which first nervous system originates is ......
2•The basal cell of nervous system is ......
3•Nerve is composed of ......
4• In peripheral nervous system ......pair of spinal nerve is present
5•Neurocyton is called........
6•........part of cerebrum controls vision.
7•........enzyme is present in tear. pan ofbrain.
8•Body balance is controlled by ........ Part of brain.
9•Semicircular canal controls ........
10•The physiological gap between two neurons is ........
11•........cell of eye produces colour image.
12•Tongue papilla consists of........number of tastebud. 
13•........tube connects between middle ear and buccal cavity.
14•In human brain .......(volume) of CSF is present.
15•Endolymph is present in.......
16• The part of human eye-ball which is photosensitive is ...........(MP11)
17•The three layered membranous covering of human brain is collectively called ............
C•Answer in one sentence(1mark)
1•Name one multicellular animal which has no nervous system.
2•Name the group of animals whose central nervous system is hollow.
3•Which sense organ of human body is the largest?
4•What is the full form of ANS ?
5•What are the main characteristics of nervous system?
6•What is the full form of CSF ?
7•Name one cranial nerve.
8•Name the protective covering which present encircling central nervous system (CNS) of vertebrates. (MP12)
9•Name the physiological gap between two neurons.
10•Name the folding of Cerebrum.
11•Name the nerve connectives of two cerebrums.
12•Name the nerve connectives of two cerebellums.
13•Name the eye layer on which image is produced.
14•Name the bird which has binocular vision.
15•What is meninges?
16•Excepting tongue where is also tastebud present?
17•Where is Otolith aparatus present'?
18•What is the other name of Neurolemma?
19•Where is sclera present ?
20•Which bones of the ear help directly in hearing?
21•How much volume of CSF is present in human being?
22•What is the function of Corti aparatus?
23•How many nerves originate from spinal cord?
24•What is the name Of pressure receptor of the skin?
25•Which cell is present in Macula lutea?
26•In which part of human ear is cochlea located? (MP09)
27•By which part of the tongue do we feel bitter taste? (MP09)
28•What is the near point of vision of human eye?
29•Name the cell which takes smell.
30•What is the end pan of Spinal cord?
31•What is the structural and functional unit of Nervous System?
32•What is ganglion? (MP10)
33•Name a sense organ that maintains balance in humans.
34•One function of human ear is hearing. What is the other? (MP09)
35•Withdrawal of finger from a hot object is an example of which type of reflex?
36•How do sound waves reach the internal ear from the ear drum? (MP07)
E•Answer in two or three sentences : (2 marks)
1•What is nervous system
2•What is Neuron?
3•What are the composing organs of nervous system?
4•What is Neurogiia?
5•What is stimular?
6•What is impulse?
7•What is afferent nerve?
8•What is nerve?
9•What is Nerve ganglion?
10•What is Neurohurnour?
11•What is mixed nerve?
12•What is reflex arc?
13•What is brain?
14•What is Synapse?
15•What is Sense Organ?
16•What is taste bud?
17•What is myopia?
18•How does sound wave travel through tympanic membrane to internal ear?
19•What is binocular vision?
20•Write one structural and one functional differences between axon and dendron. (MP08)
21•What is the function of CSF?
22•Write two differences of brain and spinal cord.
23•What is the relation between Neuron and Neuroglia?
24•Write the structure of Neurocyton.
25•Write four refractive media of eye.
26•Where is the vestibular organ placed and write its function.
27•Write the function of different parts of reflex arc.
28•Write the function of different parts of forebrain.
29•Write the function of different parts of hind brain.
30•Write the function of different parts of midbrain.
31•What is the structure of internal ear?
32•Write two functions of human internal ear. MP09
33•How do we receive smell .
34•What is reflex action? MP10
35•Mention two differences between cerebrum and cerebellum.
36•How do sound waves reach the internal ear from the ear drum? MP07
37•What is yellow spot ? Mention its function. MP12
E•Ans. in 3/5 sent. (3 marks)
1•Describe the Structure of Neuron.
2•Classify nervous system.
3•Briefly describe the structure of human brain?
4•What is conditional and unconditional reflex action?
5•What is nerve ganglion? State its different types.
6•Discuss the roles of nose and skin as sense organs of man. MP08
7•What are the different functions of ear?
8•What is synapse? Mention two differences between afferent and efferent nerves.
9•Write the differences between Rod and Cone Cells.
10•Write the structure of the organ of smell.
11•Write two differences between blind spot and yellow spot.
12•Write the differences between aqueous humour and vitreous humour.
13•Write differences of Brain and Spinal cord.
14•Write characteristics of mixed nerve.
15•How does impulse transmit through synapse?
16•Write differences between conditional and unconditional reflex action.
17•Write the structure of internal ear.
18•Write the structure of human eye.
19•Write the location of retina and sclera in human eye and mention one function of each of them. MP07
20•How does reflex action transmit nerve impulse?
21•Describe the relation between neuron and nerve.
22•Define ganglia.
23•Discuss how the tongue helps in sensation of taste.
24•Write the function Of Nervous System.
25•Write any one function of each cerebrum, cerebellum and medulla, oblongata.MP09
26•Describe in brief the structure of axon of nerve cell.MP10
27•Mention one function each of tympanum, cochlea and semi-circular canals of human ear.MP11
28•What is the name of the fluid present in the central canal of Spinal cord.Write two functions of spinal cord.MP12
29•Mention two structural and one functional differences between dendron and axon. MP12
F•Answer questions : (5 marks)
1•What is nervous system? State its functions.
2•Write the structure of Neuron and state the function of each part.
3•Write five differences between cellbody and body cell.
4•What is nerve? Differentiate nerve according to its work.
5•What is synapse? State its types and function.
6•What is reflex action? Whar are its different pans?
7•What are the functions of different parts of brain?
8•Write the Function and structure of eye ball.
9•Write the structure and function of skin.
10•What is spinal cord? Write the functions of spinal cord.
11•What is nerve? Write one characteristic features of each afferent and efferent nerves. Mention the function of cerebrum.MP11
12•Write two functions of nervous system. What is synapse? What is meninges?
13•What is reflex arc? Briefly describe different types of Reflex action with example.
14•What is the difference between ganglion and nerve fibre ? Write two functions of lacrimal gland. Mention the function of skin as a sense organ.MP12
G•Ans. Questions (8 marks)
1•Draw a diagram of a typical neuron and label the following parts in the diagram : nucleus, endbrush, axon, dendron, myelin sheath and node of Ranvier.MP12
2•Draw a diagram of simple reflex arc and label receptor organ, effector organ, sensory neuron and motor neuron. Indicate the direction of flow of impulse with arrows. MP08
3•Draw a neat diagram of internal ear and label any six of its parts.
4•Draw a neat diagram of a vertical section of human eye and label the following parts of the diagram : cornea, lens, sclera, retina, pupil and yellow spot. (MP10)
OR•Draw a diagram of human eye and label the following parts : lens, retina, cornea, sclera, blind spot and aqueous humour.

Mental Math

CLASS 4
1. H.C.F of two consecutive even numbers is always 2. Example-. H.C.F. of 2 and 4 is 2. H.C.F of 22 and 24 is 2 and so on.