Biology Most expected Questions series-3
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1. A hypothalamic hormone called Gonadotrophin releasing hormone stimulates
(1) The adrenal for synthesis and release of cortisol
(2) The adrenal for synthesis and release of androgen
(3) The adrenal for synthesis and release of oestrogen
(4) The pituitary for synthesis and release of gonadotrophins
2. Somatostatin release from the hypothalamus inhibits the release of
(1) Thyroxin hormone from the thyroid
(2) Calcitonin hormone from the thyroid
(3) Growth hormone from the pituitary.
(4) LH from the pituitary
3. The pituitary gland is located in a bony cavity called
(1) Sella tursica
(2) Basisphenoid
(3) Nasal
(4) Vomer
4. Which of the following hormone stimulates the synthesis and secretion of steroid hormones called glucocorticoids from the adrenal cortex
(1) GH
(2) ACTH
(3) Prolactin
(4) TSH
5. The pituitary gland is divided anatomically into :
(1) An adenohypophysis and pars intermedia
(2) An adenohypophysis and a epiphysis
(3) An epiphysis and a neurohypophysis
(4) An adenohypophysis and a neurohypophysis.
6. Pars distalis and pars intermedia is part of
(1) An adenohypophysis
(2) An adenohypophysis and a neurohypophysis
(3) An epiphysis
(4) Neurohypophysis
7. Pars intermedia secretes a hormone called
(1) MSH
(2) ACTH
(3) FSH
(4) GH
8. Oxytocin and vasopressin are actually synthesized by the
(1) Adenohypophysis
(2) Epiphysis
(3) Hypothalamus
(4) Neurohypophysis.
9. ............ hormone regulates the growth of the mammary glands and formation of milk in them.
(1) GH
(2) ACTH
(3) Prolactin
(4) TSH
10. .................. stimulates the synthesis and secretion of thyroid hormones from the thyroid gland
(1) GH
(2) ACTH
(3) Prolactin
(4) TSH
11. In males, LH stimulates the synthesis and secretion of
(1) Androgens from testis
(2) Progesteron from ovary
(3) Estrogen from ovary
(4) Ovulation from ovary
12. Which one is essential for the hormone synthesis in the thyroid.
(1) Sodium
(2) Iron
(3) Chlorine
(4) Iodine
13. Parathyroid hormone
(1) Increases the Na levels in the blood.
(2) Increases the K levels in the blood.
(3) Increases the Fe levels in the blood.
(4) Increases the Ca levels in the blood
14. Which hormone stimulates the RBC production
(1) Vasopressin
(2) ADH
(3) ACTH
(4) Cortisol
15. Which one is acts as both exocrine and endocrine gland
(1) Parathyroid
(2) Testis
(3) Adrenal
(4) Pancreas
16. How many Islets of Langerhans are present in a normal human pancreas
(1) About 1 to 2 million
(2) About 5 to 20 million
(3) About 11 to 12 million
(4) About 10 to 20 million
17. Glucagon secreted by which cell :
(1) Alpha cell
(2) Beta cell
(3) Delta cell
(4) Both 1&2
18. Which statement is correct for insulin hormone
(1) Acts mainly on hepatocytes
(2) It is a peptide hormone
(3) Enhances cellular glucose uptake and utilisation
(4) All of the above
19. Diabetes mellitus patients are successfully treated with
(1) Insulin
(2) Vasopressin
(3) Glucagon
(4) ADH
20. Glucagon is a :
(1) Carbohydrate
(2) Steroid hormone
(3) Fat
(4) Peptide hormone
21. Which hormone play a major stimulatory role in the process of spermatogenesis
(1) Androgens
(2) Vasopressin
(3) Glucagon
(4) ADH
22. Androgens hormones stimulate :
(1) Muscular growth
(2) Growth of facial and axillary hair
(3) Low pitch of voice
(4) All of the above
23. Ovary produces group of steroid hormones called
(1) Androgens
(2) Progesteron
(3) Estrogen
(4) Both 2 and 3
24. Erythropoiesis is regulated by
(1) Cortisol
(2) Erythropoietin
(3) ADH
(4) Both 1 and 2
25. Glucagon is antagonistic to :
(1) Insulin
(2) Somatostatin
(3) ACTH
(4) ADH
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