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Class 11 Biology Chapter 22 Chemical Coordination And Integration Quiz 4 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which of the following hormone is not secreted under influence of pituitary gland?

Correct Answer: B) Aldosterone.

2. Which of the given statement is correct for Delta cells secretion and function?

Correct Answer: B) Somatostatin:inhibits GH.

3. Parathyroid hormone increase the level of ..... in blood

Correct Answer: C) Calcium.

4. Pineal gland is located on the dorsal side of

Correct Answer: D) Forebrain.

5. Deficiency of this element causes the thyroid gland to swell up

Correct Answer: B) Iodine.

6. Testes are present in (in case of humans)

Correct Answer: B) Scrotal sacs.

7. The hormone that participates in metabolizing calcium and phosphorous are called .....

Correct Answer: B) Calcitonin.

8. It is correct for the functions of pineal gland?

Correct Answer: B) Self defence capability.

9. Somatostatin inhibits the release of

Correct Answer: C) Growth hormone.

10. What is the primary function of the thymus gland?

Correct Answer: B) Development of T-lymphocytes.

11. Adrenocorticotropic hormones stimulate the adrenal cortex to produce .....

Correct Answer: C) Cortisol.

12. What are the two types of hormones produced by the hypothalamus?

Correct Answer: C) Both A and B.

13. What is the function of oxytocin?

Correct Answer: D) Both A and C.

14. Group of neurosecretory cells found in hypothalamus is known as

Correct Answer: B) Nuclei.

15. Which of the following types of hormones are are released by hypothalamus?

Correct Answer: C) Both 1 and 2.

16. ..... reduces melatonin formation.

Correct Answer: C) Light.

17. A-thyroid gland is composed of two lobes which are located on either side of esophagusR-it is a butterfly shaped gland

Correct Answer: D) Both A and R is false.

18. FSH in males stimulates

Correct Answer: B) Spermatogenesis.

19. Melatonin does not control

Correct Answer: C) Blood pressure.

20. Thymosin stimulate secretion of:

Correct Answer: C) T-lymphocytes.

21. Which of the following is a hypercalcemic hormone?

Correct Answer: B) Parathyroid hormone.

22. A-duration of action is generally can be longer for hormonesR-all hormones and enzymes are proteinaceous in nature

Correct Answer: C) A is true, but R is false.

23. Chemically the hormones are

Correct Answer: B) Proteins, steroids and biogenic amines.

24. The calcium level is increased in blood by promoting

Correct Answer: A) Dissolution of skeletal structures.

25. Which of the following does not secrete any hormone?

Correct Answer: A) Spleen.

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