BIO•GENERAL. IDEA ABOUT HORMONES

BIO•GENERAL. IDEA ABOUT
A•Complete sent. choosing the correct answer : (1mark)
1•Bayliss and Starling named the bio-chemical substance which controls different physiological activities as hormone in the year— (a) 1905 ; (b) 1950 ; (c) 1925 ; (d) 1935.
2. The word hormone originated from the term 'Hormao' which is originally— (a) Latin : (b) German ; (c) Spanish : (d) English term.
3. Hormones are formed 'in the plant cell from— (a) Permanent tissue ; (b) Epidermal tissue (c) Vascular tissue : (d) Meristematic tissue.
4. Hormone controls the activities in the plant body being carried from the originating tissues by the process of— (a) Transpiration ; (b) Osmosis ; (c) Diffusion : (d) Absorption.
5•This Hormone acts at its place of origin— (a) Testosterone ; (b) Adrenaline ; (c) Thyroxine ; (d) Insulin.
6•The hormone proteinous in nature— (a) Oestrogen ; (b) Testosterone ; (c) TSH ; (d) STH.
7•Hormone with steroid nature— (a) Insulin ; (b) Thyroxine ; (c) Adrenaline ; (d) Oestrogen.
8•In 1928 first plant hormone (Phytohormone) was invented by— (a) Mendel ; (b) Went ; (c) Darwin ; (d) Lamarck.
9•A natural plant hormone is— (a) NAA ; (b) IBA ; (c) 2, 4-D ; (d) IAA.
10•Auxin is synthesised from the Amino acid— (a) Valline ; (b) Isoleucine ; (c) Tryptophan ; (d) Arginine.
11•The chemical name of Auxin is— (a) Indole acetic acid ; (b) Indole butaric acid ; (c) 2, 4 dichloro phenoxy acetic acid ; (d) Indole propionic acid.
12. The hormone regulates the tropic movement in plant body— (a) NAA ; (b) IAA ; (c) IBA ; (d) 2, 4-D.
13. The hormone responsible for activating function of cambium is— (a) Gibberellin ; (b) Cytokinin ; (c) Auxin ; (d) 2,4-D.
14. Parthenocarpy facilitated by Auxin is—(a) Production of seed (b) Flowering (c) Formation of branches ; (d) Production of seedless fruit.
15•Natural Auxin is of--(a) One type . (b) Two types ; (c) Three types ; (d) Four type
16•The hormone that is responsible for formation of seedless fruit is— The hormone that (a) IPA; (b) IBA: (c IAA; (d) GA.
17•The Hormone that responsible for blooming of flower is— (a) IPA (b) NAA (c) IBA (d) 2,4-D.
18•The artificial hormone used for the destruction of the weeds is— (a) IBA : (b) IPA ;c) NAA ; (d) 2,4-D.
19•The scientist Kurosawa at first observed the presence of Gibberellin in the fungus fuzikoroi in the year— a) 1911 b)1921 c)1931 d)1941.
20. In the year 1935 hormone was first named by the scientist— (a) Bayliss : (b) Starling (c) Thigman ; (d) Went.
21. An Organic Acid Chemically terpynoid in nature is— (a) Auxin (b) Cytokinin c) Gibberellin (d) 2,4-D.
22. Chemically nitrogenous base purine type hormone is— (a) 2,4-D ; (b) Cytokinin : (c) Gibberellin ; (d) Auxin.
23. Cytokinin acts in plant body— (a) in cell division : (b) to control tropic movements ; (C) to resist shedding of body parts ; (d) blooming of flowers.
24•A ducted exocrine gland is— ía) Liver : b) Ovary : c)Parcreas ; (d) Thyroid.
25•Progesterone is secreted from— (aj Testis ; b) Ovary ; (c) Pancreas ; d) Thyroid gland
26•The hormone secrets from posterior pituitary is— (a) ACTH : b) ADH ; (c) STH d) TSH.
27•The endocrine gland situated above kidney. (a) Testis : (b) Adrenal ; (c) Ovary : (d) Pancreas.
28•This is a mixed gland— (a) Pancreas ; (b) Pituitary ; (c) Thyroid : (d) Adrenal.
29•The hormone responsible for Diabetes Incipidus—a) ACTH b)STH ; (c) TSH ; (d) ADH.
30•It is not secreted from Anterior Pituitary— a) ACTH ; (b) STH ; (c) TSH ; (d) ADH.
31• Insulin secrets from: (a) Pituitary ; (b) Thyroid ; (c) Kidney : (d) Pancreas.
32•A local hormone is-(a) Thyroxine : b) Adrenaline ; (c) Testosterone ; (d) Insulin.
33•An exocrine gland is— (a) Pituitary : (b) Salivary gland ; (c) Adrenal ; (d) Thyroid. A gaseous phytohormone is— (a) Florigen : (b' Gibberellin (c) Auxin : (d) Etheiene. Callus is formed due to influence of— (al Aurin ; (b) Cytokinin ; (c) Gibberellin (d) Ethelene in the outer and
783-35. 36. 37. 38. 39. 40. 41. gasecnus (a) Florigen (b) Gibberellin : (c) Auxin ; rd) Ethelerte. Callus is formed due to influence of— (a) Auxin ; (b) Cytokinin ; (c) Gibberellin : (d) Ethelene in the outer and inner Cortex. A growth retarding phytohormone is— (a) Napthoxy acetic acid ; (b) Florigen ; (c) Ethelene ; fd) Abscisic Acid. Accelerates the ripening and maturity Of fruits— (a) Auxin ; (b) Florigen : (c) Ethelene ; (d) Abscisic Acid. Erythropoietin secrets from— (a) Pancreas ; (b) Salivary gland (c) Kidney ; (d) Thyroid gland. Bradykinin Secrets from—. (a) Pancreas ; (b) Salivary gland ; (c) Thyroid ; (dj Testis. Melanin pigment synthesis in the human skin is regulated by— (a) TSH ; (b) ACTH (c) MSH ; (dj STY. The disease takes place in the adult human body due to the hyposecretion of thyroxine is— (a) Cretinism ; (b) Myxoedema ; (c) Grave's disease ; (dj Goitre_ 42. Due to the hypersecretion of TSH the malformation happens— (a) Dwarfism ; (b) Acromegaly ; (c) Goitre ; (d) Myxoedema. 43. A trophic hormone— (a) '[SH ; (b) Insulin ; (c) Adrenaline ; (c) Thyroxine.
•784-44. 46. 47. - atESTUH am Secretion from ß-cells of Islets of Langerhans Of Pancreas— (a) Dwarfism : (b) Sornxostxin (c' Insulin (d) Thyroxine Maintains the normalcy of the blood sugar level hypoglycemia tikes piace in blood— faj Insulin : (b) Adrenaline : (c) Glucagon ; (d) Thyroxine_ Helps in the svnthesis of protein from ammino acid— (a) Ir.5ulin : (b) Glucagon : Somatostatin (d) Adrenaline. Insulin regulates the blood sugar level by transforming glucose into glycogen by the process of— (aj Glycogenolysis (b) Glycogenesis : (e) Ketogene-sis ; (d) Gfvcolvsis_ Durini pregnancy the nutrition and growth of the embravo is facititMed by— (a) Testosterone (b) Oestrogen ; Progesterone ; (d) Ox-riotin- 49. ACTH secrets from the Endocrine gland— (a) Adrenal gland ; (b) Thvroúi gland (c) Islets of Langer-hans ofpancreas; (d) Pituitary. 50. Auxin is a— (a) Zoo hormone ; (b) Enryne; (c) Phvlohonnone ; (d Excreta-y bipreduct 51. The Master gland is— Thyroid gland ; (b) Thymus gland ; (c) Adrenal gand ; (d) Pituitav gland. 52. These glands are called as gonads— (a) Thvroid and Thymus ; (h) Adrenal co-nex and adrenal medulla ; (c) Thallamus and hypothalamus : (d) Testis and ovary 53. The disease is caused due to htper setreiion of STH_ Mt,xederna : (dj Grave's disease.
•784-53. 54. 55. 56. hallamus and hypothallamus : (d) lest15 The disease is cabsed due to hyper secretion of STE. (a) Gigantism (b) Acromegaly ; (c) Myxedema ; (d) Grave's disease. Emergent hormone is— (a) Insulin ; (b) Adrenaline ; (c) Thyroxine ; (d) Oestrogen. A hormone secretes from ovary is— (a) ('estrogen (b) Testosterone ; (c) CITH ; (d) ACTH. Another name of chemical massenger is— (a) Enzvrne : (b) Hormone (c) Vitamins ; (d) Nervs. 57. Which is not an Endocrine gland ? (a) Salivary gland ; (b) Pituitarv gland ; (O Adrenal gland (d) Thyroid gland. (Sample question 2011- ' 121. 58. Which gland is an Endocrine gland 59. 60. 61. (a) Salivary gland ; (b) Liver ; (c) Thyroid gland ; (d) Lacremal gland. The blood sugar level increases due to deficiency of— (aj Thyroxine ; (b) Insulin ; (c) Glucagon ; (d) Adrenaline. Found in the Coleoptyle— (a) IAA ; (b) GA ; (c) Kinin ; (d) Florigen. The source of TSH is— (a) Thyroid ; (b) Posterior pituitary : (c) Anterior pituitary : (d) Thymus.
•785-62, The hormone stimulates adrenal gland— GTH STEI : TSH ; ACTH. 63. A DH secrets from— (a) Posterior pituitary ; (b) Hypothallarnus ; (c) Meta Thallarnus ; Adenohvpophysis. 64. A Postulated hormone is— (al Kinin ; (b) Oxy-toein ; (c) Rhizokallin ; (dj Etheiene. 65. This plant hormone is non-nitrogenous— (al Gibberellin (b) Auxin : (c) Kinin . (d) 2, 4-1). 66. Retarded the onset ride-generation processofpl;žnt body by the hormone— (a) Arin ; (t) Gibberellin ; (c) Cytokinin ; (d) Florigen 67. Hormone is the— (a) Enzyme, (c) Physical coordinator, (b) Receptor. (d ) Oærnkal crxxdinatm 68, Hypoglycemia (Diabetes mellitus) takes place due to deficiency of— (a) Thyroxine ; (b) insulin ; (c) Adrenaline ; (d) ST H. (Sample question 2011— ' 69. Thyroxine secrets from the endocrine gland— (a) Thyroid : (b) Testis ; (c) Adrenal ; (d) Pituitary. 70. Insulin is secreted from— (a) Anterior part of pituitary gland : (b) Thyroid gland : (c' Kidney (d) Pancreas. 'Madhyam1Å 2008) 71. The hormone Testosteron is secreted from— (aj Testis ; (b) Ovary ; Adrenal gland : (di Thvsoid giand_
•785-tat Anterior pan ot pituitary panc rea4. b) Thyroid gland ; Kidnev _ (d' ik 20083 71. The hormone Testosteron is secreted from— fal Testis ; (bl Ovary : (O Adrenal gland : (di Thyroid gland. (Mudhyumik 2007) 72. The endocrine gland does not secrete— 73. 3. 5. 6. (a) Insulin ; (b) Thyroxine ; (c) Pepsin ; (d) Adrenaline. 20,' An artificial hormone is— (a) Indole acetic acid ; (b) Napthalene acetic acid 40 Gibberellic acid , Zialin. Answer in one sentence : (.tltldhyamik 20121 (Each carrying 2 marks) How does hormone act on plant and animal bodv primarily? Where is the place of origin of hormone in plant bodv9 State the places of origin of hormone in the animal body. In case of plant by which process hormone is being carried to the target Name the media by which hormones in animal bodv are being transported. Stare the basic action of the hormone in living organisms. Name ane hormone proteinacious in chemical nature, State the name of one hormone with Amino property.
•786-10. ll. 12. 13. 14. 15. 16, 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. Name one hormone steroid in nature. _ What is the mode of function of the hormones in the animal body? A pan from meristernalic tissue name the place oforigin of plant hormones, What is r. Liral hormone? Name one natural hormone. What is the full form of NAA? State the full form of IPA. Name one gaseous hormone. (Sample question 2011-'121 State the full form of IAA. Name the tissue by which Auxin is being transported downwardly in the plant body. Name the amino acid from which auxin is beine s'.nthesised. Name the plant hormone being secreted from coleoptile nitrogenous organic acid in nature helps in growth. Where docs auxin act more prominently? Which movement is beine controlled by auxin? Whith hormone makes tilt cambium active? Which hormone is used to produce seedless fruits? State the full form of 2, 4-0. State the full form of IBA. Which plant hormone is found in the mature seeds? Which hormone is responsible to break the dormant state of veeds and buds in the plant body? State the organo chemical pœerty of Cytokinin.
•786-28. 29. 30. 31. 32. 33. 35. 36. 37. 38. 39. .40. 41. 42. 43 • Which hormone is responsible to break the dormant stare of ...-eds buds in the plant body? State the organo chemical prverty of Cytokinin. Which hormone is being svnthesi5ed in fruits and endosperm? Which plant hormone takes aajor role in the cell division? Which plant hormone does retard the process of decrepitude (ageing procedure)? Name one Endocrine gland and its function. Name one Exocrine gland and its function. State the name of a Mixed gland and its function. Name one hormone which secrets from the lobe of anterior Pituitary. Name one hormone which secrets from the Posterior lobe of the pituitary or neurohypophysis. Name the main hormone which secrets from thvroid gland. Name the Endocrine gland which is situated upxyt-, each kidney. Name the hormone which secrets from testis in man. (Sample question 2011-'121 From which endocrine gland is progesterone secreted? Which hormone increases the raze of re-absorption of renal tubules? Which hormone deficiencv is responsible for the disease diabetes Incipidus?
•787-44. 45. 46. 47. 48. 49 _ 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. PAPERS - Name the site of origin of ACTH. Name the place of origin of TSH. Name the hormone responsible for the development of gonads . State the symptoms observed in the human body due to hyper secretion ofACTH. Name the hormone responsible for Acromegaly Which hormone regulates or controls the growth of thyroid gland? What is hypophy.si5? State the site of secretion of Insulin? What is the normal rate of blood sugar in normal human blood? Which disease takes place due to deficiency of Insulin? Which hormone increases synthesis ofglycogen from the glucose ofhurnan What is antiketogenic hormone of the human body? Which hormone resists the ketone body formation in the human liver? Which hormone is capable to increase the glucose absorption level in the human intestine? Name the hormone which controls 'BMR'. Which hormone is responsible for the disease goiter? Where is 'adrenaline' secrected? (Mudhyamik 2011) State the other name of Adrenaline. Name the emergent hormone of human body.
•787-61. State 62. Name the emergent hormone of human body. 63. Name the hormone responsible to increase cardiac outputs? 64. Which hormone is responsible for dialation of eyeball" 65. By contraction o f which muscles adrenalinehormone erect the body hair? 66. Name the origin of Oestrogen_ 67 _ Name the place of origin of Progesterone. 68. Which hormone helps in the development Of nutrition of ernbtyo during pregnancy? 69. State the site oforigin of Testosterone. 70. Name one human hormone which secrets from kidney. 71. Which hormone helps to increase the blood sugar level? 72. Which plant hormone prevents the shedding of leaves and flowers? 73. Name one hormone responsible for digestion in the intestine. 74. Stale the full form of ST H. 75. State the full name of ACTH. 76 State the full form ofGTH. 77. What is the full form of MSH'? 78. Write the full form ofADH. 79. State the fuii form of TSH. (Sample question 2011- ' 12) 80. Name the smallest endocrine gland of the body. 81. State the origin of glucagon,
•788-82. 83. 84. 85. 86. 87. 88. 89. 90. 91. 92. 93. 94. 95. 96. 97. 98. 99. 100. Name the origin of somatostatin, Name the first invented hormone. Name one artificial plant hormone. Name one postulated plant hormone. State the organochemical nature of Gibberellin- What is the other name of the human hormone, Corticotrophin? Which hormone increases the melanin pigmentation of the skin? Name the disease caused due to deficiency secretion of the hormone ACTH. State the disease caused by the hyper secretion of ACTH . What is the weight of pituitary gland? What is the disease caused due to hyposecretion ofthvroxine in the infants? Name the disease being caused to the adult due to hyper secretion Of thyroxine. Name one local hormone. Name one trophic hormone. Name one autocrine hormone. (Sample queslion 2011-'12) Which hormone takes role in ovulation from Ovary? Which hormone takes main role in the spermatooenesis? Which hormone helps in the implantation procedure of fertilised ovum into the uterus? Tha hormone secrets from anterior Pituitary regulates the
•788-100. 101. 102. 103. into the uterus? The hormone thyroxine secretion. secrets from anterior Pituitary regulates the (Sample question 20 j Which hormone is being used for killing weeds in the flower garden Of your school? (Sample question 2011- ' 12) Which hormone helps in the coordination of the plants ? (Sample quest ion 2011- 12) Which plant hormone is responsttle for Apical dominance? (Madhyamik 2009) Which hormone helps to produce seedless fruits? (Madhyamik 20081 Which hormone helps in tropic movement5 of plants? (Madhyamik 20071 From which dand insulin is (Madhyun,tk 2010) Name the hormones which controls the secondary sexual characters of 104 105. 106. 10T 2. 5. 6. 201 J (Each currying 2 marks) Answer the questions : What do you mean by hormone? What are the main functions of hormone? What is exocrine "land? Give example. What do you mean by endocrine Eland? Give example. What do you mean by 'Local Hormone'? Give example. What do you mean by *Feed back"'
•789-8. 9. 10. ll. 13. 14 15. 16. 17. 18. 19. 20. 21, 22. 23. 24. sclENL'E State the double controlling role of hormone. Why hormone secreting glands are being called as endocrine gland? Name two hormones amino type (chemically) steroidal in nature. Why hormone is being called 'chemical messenger'? Why hormone is called a chemical coordinator? State places of origin of hormones in plant and animal bodv Give an example Of one protenious and another non-protenious plant hormones. What is Auxin? Apart form meristemetic tissue state the place of site of hormone in plant Name two each of the artificial and postulated hormones. Name the organs of plant where auxin is synthesised_ State two functions of Auxin? Write two practical applications of Auxin. State the role of auxin in the 'parthenocarpy'. What is gibberellin? State origins of libberellin in plant's body. Write two specialities of Gibberellin. State two functions of Gibberellin-
•789-23. 26 27. 28. 31. 32. 34. 37, 38. 39, 40. 41. 43. 44. 46. Write "so ;pecialities Of Gibberellin- State two functions Of Gibberellin_ Write two practical applications of Gibberellin, What is Cytokinin? Write r.o specialities or distinguishing factors of Cytokinin_ Write two Sources of cytokinin in plant body, State two roles Of eyrokinin, What do vou mean by mixed eland? Give example. What do vou me-an by trophic hormone? Give example, State the po;ition of Pituitary giand_ WItv pituitari gland is called master eland? Name the hurrnar:es which from piluiter-j gland. Why thyroid oiand is celled erotocrine glandn Whith the normal blood sugar level? Whv pancreas is called mixed giand? Name the endocrine human gland withÂts six hormone secretions. What do you mean dueler" gland" State two humun ductless S'lands With their secretion7 Name ail the endocrine glands of the human body. State the fuli form of ST H. From which gland it secre'es? Name the full form afTSH_ State the source of it State the fuli form ofACTH_ Name the source of it. What is the full form of G TW Name the source of it What is the full form ofADli? From where does it secrete?
•790-47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 60. 61. 62. 63. 64. 65. 66. What is the cause of the disease Diabetes Incipidus? What is the cause of Diabetes Mellitus? State the site of secretion of Insulin. What is the main role of it? State the functions of G TH. What is the cause to call ACTH as a trophic hormone? State the position of thyroid gland. Name the hormone which secrets from this gland. Write two functions of Thyroxine. Write the source or origin and functions of Adrenaline. State the position and secretions of adrenal gland. State the name and functions of the hormone which secrets from testis. Write the names of the hormones with functions which secrete from ovary. State two roles of progesterone hormone during pregnancy. State the physical changes which take place in the women due to the role of Oestrogen horrnone. State the types of GTH. State the full form and its functions of FSH Write the full form and its functions of LH- Write the full form of ICSH with its function Write the full form of LTH and its functions. Write two practical applications of zoo hormone? What is catecholamine? Give example.
•790-66. 67. 68. 69. 70. 72. 2. 3. What is catecholamine? Give example. State the full form of ACTH. Write one function of Insulin. (Sample question 2011-'12) Write two differences between plant and animal hormones. (Sample question 2011- ' Which hormone is called emergency hormone and why? (Madhya,nik 20101 From where are thyroid stimulating hormone and thyroxine secreted? (Madhyanuk 2009) indicate one difference in respect of source and two differences in respect of functions between Auxin & Gibberellins. What is the name ofthe hormone regulating tropic movements in plants ? (Madhyumik 2012) From which part it is secreted ? Answer the following questions in 2-3 sentences : (Each carrying 3 marks) Write three names each of plant and anirnal hormones. Name three animal hormones which originate from pituitary with their functions. Write three characteristic features of hormone. State the differences between plant arid animal hormones.
791-5. 6. 8. 9. 10. ll. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. State one similarity and two dissimilarities between hormone and nervous System. State the place of secretion and site Of origin of auxin. State three main characteristic features of auxin hormone. State three practical applications of auxin in agriculture. Write three practical applications of artificial hormones. State three characteristic features of "ibberellin_ Describe three important functions of libberellin. (Madhyamik 2012) Write three charcteristie features of cytokinin. State three functions of cytokinin- Name and state function Of three hormones which secret from Pituitary gland. State the role of Insulin in the metabolism of carbohydrate. State the role of insulin in the metabolism ofprotein and fat. State three roles of thyroxine in the metabolic activities. State two frctions of Auxin. Write three differences between Insulin and Thyroxine. State three comparison between Thyroxine and Adrenaline. State three differences between Testosterone and Progesterone. State three differences between Oestrogen and Progesterone. Write three differences between Endocrine and Exocrine Glands. State three dissimilarities between hormone and nerve.
•791-24, as. 26. 27. 28. 29. 30. 31. 33. 34. 35. State three dissimilarities between hormone and nerve Write the differences between Oestrogen and Testosterone. State three differences between Hormone and Enzyme. (Sample question 2011- ' i 2) What is parthenocarpy? State two differences between Auxin and Gibberellin_ (Sample question 2011- ' 121 Why is hormone called chemical messenger? Mention the site of secretion and function of Oestrogen. (Sample question 2011-'12) What is Cytokinin ? Discuss two of its applications in the field of agriculture. ( Sampl. question 2011-'12) Name the hormoneu'hich secrets from human testis. Mention its functions. (Sample question 2011- What do you mean by endocrine and exocrine glands 9. Give examples. (Madhyamik 201 Write the differences between Oe5trogen and Progesterone with respect to their source (one) and functions (two). (Mudhyarnik 2009) Mention one source of Auxin hormone and two of its functions having practical applicative value. (Madhya mik 20081 Write any three characteristic features of animal hormone. 'Madhyamii: 2007) What is the source of adrenalin hormone ? Why it is called as 'ernereency hormone ' ? (Wadhyamtk 20121
•792-Answers the following questions : (Euch currying 5 marks) 2. 3. 5. 6. 10. ll. 12 14. 15. 16. Write five differences between Hormone and Enzyme. State the role of Auxin in the phototropic and geotropic movements of the plant body. State five general functions of Auxin in the plant body. Write the site of secretion of auxin with four practical applications. What is Gibberellin? State three functions of it. Write the chemical nature ofGibberellin. State three practical applications Of Gibberellin. Write the functions of Cytokinin. What is tropic hormone ? Give three examples with functions. 'vVhat is local hormone 2 Give three examples with three functions. Write the differences among Insulin, Thyroxine and Adrenaline. State comparisons between Auxin, Gibberellin and Kinin. What is ductless gland ? Name the major ductless gland of the human body with three positions and secretions. Name one plant hormone and describe the function by stating its site of onnn. State the role of hormone in the grot',th of animal. Name the places of origin of Oestrogen and Testosterone. What is 'master gland'? Name the hormones with their functions which secret from this gland.
•792-17. 18. 19. 20. 21. 22. 23. 24. What is 'master gland'? Name the hormones with their functions which secret from this Eland. Why pituitary is called a 'master gland'? Namc three hormones which secret from this gland and state their functions. Name one growth facilitating plant hormone and growth related animal hormone. Also state their functions. Name two animal hormones (Human) which secret from gonad of the female body. Write their site of secretion and state at least two functions of these hormones. Name the anti-diabetic hormone. Name the place of origin of it. State its role in the metabolism of carbohydrate, protein and fat. Write two characteristic features of hormone, "'tv hormone is called 'chemical messenoer'? State one function difference between Nervous (Sample question 2011- ' 121 system and Endocrine svstem. W'rize two functions ofgibberetiin. Which horrnone decreases glucose level in blood? Write the name of one male and one female sex hormone. (Sample question 2011- ' 12) Write two differences between exocrine and endocrine glands. Why is pituitary called 'master triand'? (Sample question 2011-'121 Which hormone is known as the 'emergencv hormone' and v,'hv Write the sources of gibberellin and any two functions of the hormone. (Sample question 2011-'1241
•793-26. 28. 29. LIFE Mention One function ofeach gibberellin, cytokinin and thyroxine, From which gland is Adrenaline hormone secreted ? Why is it called 'emergency hormone'? Mention any two functions of 0TH. (Madhyamik 2009 Why are hormones called 'chemical coordinators' in the living body Write the site of formation and anv two functions of gibberellin hormone. (Madhyamik 2007) Why hormones are called 'chemical messengers'? What is the source of (Madhyumik 'testosterone'? Name two hormones that are responstle for apical dominance and division of cvtoplasrn in plant ceils respectively. Write full name of two hormones produced in anterior pituitary and one function of each. (Madhyamik 20124