1. _________are responsible for chemical coordination.
(1) Neurons
(2) Nephrons
(3) Hormones
(4) Enzymes
Answer
Ans.(3)
2. Neural coordination is
(1) Fast and long lived
(2) Fast and short lived
(3) Slow and long lived
(4) Slow and short lived
Answer
Ans.(2)
3.The ductless glands
(1) Produce non-nutrient intercellular messengers
(2) Found only in non chordates
(3) Are absent in human body
(4) Are called exocrine glands
Answer
Ans.(1)
4. Which of the following is an incorrect statement?
(1) Hormones are required in trace amounts
(2) Hormones are intra-cellular messengers
(3) Hormones are secreted by endocrine glandular cells
(4) Hormones are secreted in response to a particular stimulus
Answer
Ans.(2)
5. Which of the following glands are present in the brain?
(1) Parathyroid gland and thyroid gland
(2) Pituitary gland and thymus
(3) Hypophysis and pineal gland
(4) Pineal gland and thymus
Answer
Ans.(3)
6. The two glands located in the neck region are
(1) Thyroid gland and parathyroid gland
(2) Pituitary gland and pineal gland
(3) Adrenal gland and thymus
(4) Pineal gland and thyroid gland
Answer
Ans.(1)
7. Hypothalamus forms an important link between
(1) Digestive system and nervous system
(2) Nervous system and respiratory system
(3) Nervous system and endocrine system
(4) lntegumentary system and reproductive system
Answer
Ans.(3)
8. The neurosecretory cells of hypothalamus which produce hormones are called
(1) Nephrons
(2) Nuclei
(3) Granular cells
(4) Globular cells
Answer
Ans.(2)
9. Hypothalemic hormones directly regulate the synthesis and secretion of
(1) Thyroid hormones
(2) Pituitary hormones
(3) Adrenal hormones
(4) Parathomione
Answer
Ans.(2)
10. Somatostatin inhibits the release of
(1) Prolactin
(2) Melanin
(3) Thymosin
(4) Growth hormone
Answer
Ans.(4)
11. GnRH stimulates_________ to release__________ .
(1) Hypothalamus. gonadotropins
(2) Pituitary gland. gonadotropins
(3) Pituitary gland. growth hormone
(4) Hypothalamus. growth hormone
Answer
Ans.(2)
12. Which of the following is under the direct control d neurosecretory cells?
(1) Pars distalis and pars intermedia
(2) Pars intermedia and pars nervosa
(3) Pars nervosa only
(4) Pars distalis only
Answer
Ans.(3)
13. The neuroendocrine structure is
(1) Hypothalamus
(2) Adrenal cortex
(3) Pancreas
(4) Thyroid
Answer
Ans.(1)
14. Adenohypophysis in humans consists of two portions
(1) Pars distalis and Pars nervosa
(2) Pars intermedia and Pars distalis
(3) Pars nervosa and Pars intermedia
(4) Anterior and posterior pituitary
Answer
Ans.(2)
15. Which of the following hormones is not released by pars distalis,in frog?
(1) Growth homone
(2) Prolactin
(3) Melanocyte stimulating hormone
(4) Luteinizing hormone
Answer
Ans.(3)
16. Melanocyte stimulating hormone in frog is released by
(1) Hypothalamus
(2) Pars nervosa
(3) Pars distalls
(4) Pars intermedla
Answer
Ans.(4)
17. The hormone which promotes protein anabolism, absorption of calcium from the bowel and retards use of blood glucose for ATP production
(1) Melatonin
(2) Adrenaline
(3) Growth hormone
(4) Insulin
Answer
Ans.(3)
18. Dwarfism occurs when there is
(i) Over secretion of growth hormone
(ii) Under secretion of growth hormone
(iii) Over secretion of somatostatin
(iv) Under secretion of somatostatin
(1) (i) and (iii)
(2) Only (ii)
(3) (ii) and (iii)
(4) (ii) and (iv)
Answer
Ans.(3)
19. Which of the following hormones is responsible for gigantism?
(1) Growth hormone
(2) Somatostatin
(3) Adrenaline
(4) GnRH
Answer
Ans.(1)
20. Prolactin activates
(1) Growth of breasts and secretion of milk in mammary glands
(2) Secondary sexual characters in males
(3) Melatonin secretion
(4) Estrogen secretion
Answer
Ans.(1)
21. ACTH controls the secretion of
(1) Insulin
(2) Norepinephrine
(3) Epinephrine
(4) Glucocorticoids
Answer
Ans.(4)
22. If ‘X’ is a hormone which controls the carbohydrate metabolism in the body and ‘Y’ is a hormone which controls the secretion of ‘X’, then ‘X’ and ‘Y’ are
(1) insulin and somatotrophin
(2) Aldosterone and growth hormone
(3) Glucocorticoid and ACTH respectively
(4) Glucocorticoid and GHRH
Answer
Ans.(3)
23. In females. LH stimulates ________in the ovary to ________secrete .
(1) Graafian follicle, lCSH respectively
(2) Graahan follicle, prolactin respectively
(3) Corpus luteum, FSH respectively
(4) Corpus luteum, progesterone respectively
Answer
Ans.(4)
24. Graafian follicle gets converted into__________ after ovulation under the effect of __________
(1) Corpus callosum, GnRH
(2) Corpus luteum, LH
(3) Corpus albicans, FSH
(4) Ovarian follicle, prolactin
Answer
Ans.(2)
25. Which of the following is incorrect w.r.t. neurohypophysis?
(1) Neurohypophysis is also called pars nervosa
(2) it synthesises two hormones, oxytocin and vasopressin
(3) It receives neurohormonesdirectty from neurosecretory cells
(4) It comprises 25% portion of pituitary gland
Answer
Ans.(2)
26. P is a small, round, reddish structure located on the dorsal side of forebrain. It contains a staik and releases a hormone Q which controls diurnal rhythm of the body. P and Q are
(1) Hypothalamus, MSH respectively
(2) Pineal gland, melanin respectiveiy
(3) Pineal gland. melatonin respectively
(4) Pituitary gland, MSH respectively
Answer
Ans.(3)
27. A hormone which maintains BMR, regulates the metabolism of proteins and erythropoiesis is
(1) Adrenaline
(2) Thymine
(3) Thyroxine
(4) Thymosin
Answer
Ans.(3)
28. Cretinism can be prevented or cured by the administration of
(1) Renin
(2) Aldosterone
(3) Glucagon
(4) Thyroxine
Answer
Ans.(4)
29. A gland X is present over the surface of another gland Y, latter secretes a hormone that controls the metabolism of proteins. fats and carbohydrate.
The X and Y are
(1) Parathyroid and thyroid gland. respectively
(2) Pituitary and hypothalamus, respectively
(3) Adrenal gland and kidney. respectively
(4) Thymus and heart, respectively
Answer
Ans.(1)
30. Ram has high level of calcium in his blood. Excess of which hormone can cause this effect?
(1) Thyrocalcitonin
(2) Growth hormone
(3) Parathormone
(4) lnsulin
Answer
Ans.(3)
31. Angiotensinogen —x—-> Angiotensin-l.
(A) (B)
‘X’ in the given statement refers to
(1) Angiotensin-ll
(2) Aldosterone
(3) Renin
(4) Rennin
Answer
Ans.(3)
32. The secretin promotes the release of
(1) HCl and sodium carbonate ions
(2) HCl and bicarbonate ions in gastric juice
(3) Water and bicarbonate ions in pancreatic juice
(4) Pancreatic enzymes and mucus
Answer
Ans.(3)
33. CCK is secreted by
(1) Duodenum
(2) Pyloric part of stomach
(3) Caecum
(4) Rectum
Answer
Ans.(1)
34. Progesterone and estradiol are
(1) Peptide hormones
(2) Amino acid derivatives
(3) iodothyronines
(4) Steroid hormones
Answer
Ans.(4)
35. Which of the following forms a hormone receptor complex on the cell membrane?
(1) Cortisol
(2) Testosterone
(3) insulin
(4) Progesterone
Answer
Ans.(3)
36. Which of the following can be included under heterocrine glands?
(1) Thyroid and parathyroid
(2) Pineal gland
(3) Gonads and pancreas
(4) Thymus
Answer
Ans.(3)
37. Regulating hormones from hypothalamus reach Adeno-hypophysis through
(1) Neuron
(2) Neuroendocrine cells
(3) Portal blood vessel
(4) Diffusion
Answer
Ans.(3)
38. The anterior pituitary hormone that does not Stimulate another endocrine gland is
(1) Somatotrophin
(2) Thyrotrophin
(3) Gonadotrophin
(4) Adrenocorticotrophin
Answer
Ans.(1)
39. Luteinising hormone (LH) in female
(1) Helps in the appearance of secondary sexual characters
(2) Stimulates ovary to secrete oestradiol
(3) Helps in release of the ovum from the ovary
(4) Controls the blood pressure
Answer
Ans.(3)
40. On surgical removal of pituitary gland there is fall in levels of glucocorticoids and sexcorticoids. This is due to
(1) Oxytocin is no longer available from pituitary
(2) Atrophy of adrenal medulla
(3) Atrophy of adrenal cortex
(4) LTH from pituitary is no longer available
Answer
Ans.(3)
41. Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing narrowing of arterioles?
(1) ACTH
(2) Somatotropin
(3) ADH
(4) LTH
Answer
Ans.(3)
42. Largest endocrine gland is
(1) Thyroid gland
(2) Adrenal gland
(3) Thymus
(4) Pituitary gland
Answer
Ans.(1)
43. Failure of thyroid secretion from infancy leading to dwarfism and mental retardation is included under
(1) Grave‘s disease
(2) Cretinism
(3) Simple goitre
(4) Myxoedema
Answer
Ans.(2)
44. Name the non-iodinised hormone secreted by parafollicular cells of thyroid
(1) Calcitonin
(2) Oxytocin
(3) Vasopressin
(4) Gonadotropin
Answer
Ans.(1)
45. Symptoms like pot-bellied, pigeon like chest, protruding tongue and mental retardation are of
(1) Myxoedema
(2) Cretinism
(3) Cushing’s Syndrome
(4) Addison’s disease
Answer
Ans.(2)
46. Hyposecretion of which hormone is responsible for cretinism?
(1) Thyroxine
(2) Parathormone
(3) Growth Hormone
(4) Calcitonin
Answer
Ans.(1)
47. Increase in the excitability of nerves and muscles leading to sustained contraction of the muscles of larynx, face, hand and feet is due to
(1) Hyper activity of thyroid
(2) Hyper activity of parathyroid
(3) Hypoactivity of thyroid
(4) Hypoactivity of parathyroid
Answer
Ans.(4)
48. Hormone secreted during allergy is
(1) Glucocorticoid
(2) Mineralocorticoid
(3) Insulin
(4) Thyroxine
Answer
Ans.(1)
49. Deficiency of the adrenal cortex activity leads to
(1) Cushing’s disease
(2) Conn’s syndrome
(3) Addison’s disease
(4) Simmond’s disease
Answer
Ans.(3)
