Chemical Coordination and Integration MCQ Multiple Choice Questions with Answers

1. Which hormone is known as the emergency hormone in our body?
a. Adrenaline
b. Glucagon
d. Insulin
Answer: a. Adrenaline

2. Which one of the following hormones is not involved in sugar metabolism?
a. Glucagon
b. Insulin
c. Aldosterone
d. Cortisone
Answer: c. Aldosterone

3. Which of the following is not a second messenger in hormone action?
a. Sodium
b. cAMP
c. cGMP
d. Calcium
Answer: a. Sodium

4. Which of the following pairs of organs includes only the endocrine glands?
a. Thymus and testes
b. Adrenal and ovary
c. Parathyroid and Adrenal
d. Pancreas and parathyroid
Answer: c. Parathyroid and Adrenal

5. The blood calcium level is lowered by the deficiency of…?
a. Both calcitonin and parathormone
b. Calcitonin
c. Parathormone
d. Thyroxine
Answer: c. Parathormone

6. Which of the following hormone is secreted by adrenal glands?
a. Adrenaline
b. Cortisol
c. Aldosterone
d. Thymine
Answer: a. Adrenaline

7. In which of the following organs is gastrin produced?
a. Mucosa of pyloric region of stomach
b. Duodenum
c. Ripening follicles
d. Ovary
Answer: a. Mucosa of pyloric region of the stomach

8. Which of the following is now being commercially produced by biotechnological procedures?
a. Morphine
b. Quinine
c. Insulin
d. Nicotine
Answer: c. Insulin

Recommended: Chemical Coordination and Integration Practice Test

9. Which of the following is not a steroidal hormone?
a. Progesterone
b. Insulin
c. Testosterone
d. Cortisol
Answer: b. Insulin

10. Which hormone is responsible for the secretion of milk after parturition?
b. LH
d. Prolactin
Answer: d. Prolactin

11. Which hormone causes glycogenolysis and gluconeogenesis?
a. Adrenaline
c. Insulin
d. Glucagon
Answer: d. Glucagon

12. Which of the following is not a derivative of cholesterol?
a. Vitamin D
b. Vitamin B
c. Bile Salts
d. Steroid
Answer: b. Vitamin B

13. How does the GnRH from the hypothalamus reaches the anterior pituitary?
a. Through Nuclei
b. Through Axon
c. Through Blood vessel
d. Thorough Lymph vessel
Answer: c. Through Blood vessel

14. Which of the following causes the development of secondary characteristics for males?
a. Cortisol
b. Aldosterone
c. Estrogen
d. Testosterone
Answer: d. Testosterone

15. Which of the following hormone controls the concentration of urine?
a. Cortisol
c. Oxytocin
d. Antidiuretic hormone (ADH)
Answer: d. Antidiuretic hormone (ADH)

16. Damage in the thymus in childhood may result in…?
a. Loss of cell-mediated immunity
b. Reduction in the amount of plasma hormone
c. Loss of antibody-mediated immunity
d. Reduction in stem cell production
Answer: a. Loss of cell-mediated immunity

17. Adrenocorticotropic Hormone (ACTH) acts on the adrenal cortex to release…?
a. Cortisol
b. Testosterone
c. Aldosterone
d. All of these
Answer: a. Cortisol

18. What element deficiency causes thyroid enlargement?
a. Calcium
b. Iodine
c. Magnesium
d. Phosphorous
Answer: b. Iodine

19. Which hormone controls the metabolism of calcium and phosphorus?
a. Antidiuretic hormone (ADH)
c. Parathyroid and Thyroid
d. Testosterone
Answer: c. Parathyroid and Thyroid

20. What is the disease caused by the damage of the adrenal cortex?
b. Dwarfism
c. Addison’s Disease
d. Cortex Disease
Answer: c. Addison’s Disease

21. Which of the following hormone speeds up the growth in adolescence?
a. Thymosine
c. Insulin
d. Somatotrophin
Answer: d. Somatotrophin

22. Glucagon hormone is secreted by which of the following?
a. Pituitary
b. Adrenal
c. Beta cells of islets of Langerhans
d. Alpha cells of islets of Langerhans
Answer: d. Alpha cells of islets of Langerhans

23. What is the name of the hormone released from adipose cells that is able to control the appetite level?
a. Estrogen
b. Adrenaline
c. Leptin
d. Calcitonin
Answer: c. Leptin

24. Which of the following hormone plays a major role in social bonding, reproduction, childbirth, and the period after childbirth?
a. Renin
b. Osteocalcin
c. Oxytocin
d. Calcitonin
Answer: c. Oxytocin

25. What is the chemical nature of hormones secreted by α and β cells of the pancreas?
a. Glycolipid
b. Glycoprotein
c. Steroid
d. Polypeptide
Answer: d. Polypeptide

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