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Class 11 Biology Chapter 22 Chemical Coordination And Integration Quiz 1 (60 MCQs)

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1. In the mechanism of action of a protein hormone, one of the second messengers is
2. A hormone responsible for normal sleep-wake cycle is
3. The flap of connective tissue that connects the two lobes of thyroid gland is called
4. How many pairs of adrenal glands are present in human body?
5. ..... controls the concentration of urine
6. The posterior pituitary gland is not a 'true' endocrine gland because: ..... [NEET 2016]
7. A-adrenaline and nor adrenaline both are rapidly secreted in response to stress of any kindR-both the hormones increase the heartbeat and rate of respiration
8. Master of master?
9. Diabetes mellitus occurs due to hyposecretetion of
10. Which of the following is not an endocrine gland?
11. Listed below are the hormones of anterior pituitary origin. Tick the wrong entry.
12. A-pancreas is a composite glandR-it secretes enzymes and primary messengers
13. Full form of GIP
14. How many parathyroid glands are present in human beings?
15. Mary is about to face an interview. But during the first five minutes before the interview she experiences sweating, increased rate of heart beat, respiration etc. Which hormone is responsible for her restlessness?
16. What hormone is secreted by the adrenal medulla during stress?
17. Which hormone regulates colour of skin?
18. Which hormone stimulates stomach to secrete gastric juice?
19. Hypersecretion of Growth Hormone in adults does not cause further increase in height, because ..... [NEET-2017]
20. Which of the following is an amino acid derivative hormone?
21. Chemical name of T4 is
22. Which hormone stimulates formation of alveoli in memory gland?
23. Which of the following is a mineralocorticoid?
24. A-insulin is antagonistic to glucagonR-insulin is an anabolic hormone
25. Which hormone increases blood calcium level?
26. Cortisol is secreted from
27. Deficiency of vasopressin primarily results in:
28. A-both insulin and glucagon are peptide hormonesR-a peptide consists of more than 1000 amino acids
29. Pancreas is a/an
30. Which hormone regulates the sleep-wake cycle?
31. Renal tubule stimulus the reabsorption of
32. A-androgens causes low pitch voice in malesR-androgens can act on CNS
33. A-glucocorticoids stimulate gluconeogenesis in liverR-they inhibit cellular glucose uptake and utilization
34. Corpus luteum secretes a hormone called
35. Which hormone is secreted by zona fasciculata?
36. The hypothalThe hypothalamus is connected to the anterior lobe of pituitary by
37. ADH is produced in
38. Underproduction of hormones by adrenal cortex leads to
39. Which of the following pairs of organs includes only the endocrine glands?
40. Which of the following is not effect of GH?
41. Which of the following hormones controls the functioning of adrenal cortex?
42. Excess secretion of hormones by pituitary gland leads to
43. Steroid hormones have similar structure to
44. Which one of the following hormone stimulates the "let-down" (release) of milk from the mother's breasts when the baby is sucking?
45. A-ANF decreases blood pressureR-it causes dilation of blood vessels
46. FSH and LH hormones together are called:
47. According to the accepted concept of hormone action, if receptor molecules are removed from target organs, then the target organ will:
48. Secretions of which of the following is necessary for increase in uptake of glucose by liver and adipose cells?
49. Which one is associated with pituitary gland
50. Which of the following hormones controls the milk production in mammary glands?
51. Which one is different from the category of other three?
52. The steroid responsible for balance of water and electrolytes in our body is
53. Which of the following hormones regulates the immune system?
54. One of the following conditions is not linked to deficiency of thyroid hormones
55. The hormones secreted by endocrine glands are released into the
56. Whose excessive secretion causes abnormal elongation of long bones in childhood?
57. Which element is required for the synthesis of thyroxine?
58. Treatment with Allison destroys
59. Pituitary dwarfism is caused due to the deficiency of
60. Which hormone stimulates ovulation in females?
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