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Class 11 Biology MCQ Chapter 19 Chemical Coordination and Integration
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Chemical Coordination and Integration
Chapter – 19
| UNIT – (V) HUMAN PHYSIOLOGY |
| MCQ |
1. What is the name of the adrenal cortex’s outer layer?
(a) Zona reticularis.
(b) Zona glomerulosa.
(c) Zone pellucida.
(d) Zone fasciculata.
Ans: (b) Zona glomerulosa.
2. In a man being pursued by a dog, which of these hormones would be released quickly?
(a) Somatostatin.
(b) Somatotropin.
(c) Epinephrine.
(d) Prolactin.
Ans: (c) Epinephrine.
3. The breakdown of which of these compounds is not induced by norepinephrine?
(a) Glucose.
(b) Lipids.
(c) Protein.
(d) Glycogen.
Ans: (b) Lipids.
4. Which one of these is not a result of the release of catecholamines?
(a) Piloerection.
(b) Dilated pupils.
(c) Production of glycogen.
(d) Increase in heart rate.
Ans: (c) Production of glycogen.
5. Which gland is both endocrine and exocrine in function?
(a) Thyroid.
(b) Pancreas.
(c) Adrenal.
(d) Hypothalamus.
Ans: (b) Pancreas.
6. Which hormone is responsible for the fight-or-flight response?
(a) Thyroxine.
(b) Adrenaline.
(c) Insulin.
(d) Melatonin.
Ans: (b) Adrenaline.
7. Which hormone controls the metabolic rate?
(a) Glucagon.
(b) Thyroxine.
(c) Insulin.
(d) Prolactin.
Ans: (b) Thyroxine.
8. Which of the following is secreted by the anterior pituitary?
(a) Oxytocin.
(b) Antidiuretic hormone.
(c) Growth hormone.
(d) Adrenaline.
Ans: (c) Growth hormone.
9. What is the primary function of glucagon?
(a) Increase blood sugar level.
(b) Decrease blood sugar level.
(c) Stimulate metabolism.
(d) Regulate calcium levels.
Ans: (a) Increase blood sugar level.
10. Which gland secretes calcitonin?
(a) Thyroid gland.
(b) Adrenal gland.
(c) Pituitary gland.
(d) Pancreas.
Ans: (a) Thyroid gland.
11. Which hormone is responsible for water reabsorption in the kidneys?
(a) Oxytocin.
(b) Antidiuretic hormone (ADH).
(c) Prolactin.
(d) Thyroxine.
Ans: (b) Antidiuretic hormone (ADH).
12. Which part of the brain regulates the endocrine system?
(a) Cerebrum.
(b) Medulla oblongata.
(c) Hypothalamus.
(d) Cerebellum.
Ans: (c) Hypothalamus.
13. Which hormone helps in childbirth by causing uterine contractions?
(a) Prolactin.
(b) Oxytocin.
(c) Progesterone.
(d) Estrogen.
Ans: (b) Oxytocin.
14. Which gland is located above the kidneys?
(a) Thyroid gland.
(b) Pancreas.
(c) Adrenal gland.
(d) Pituitary gland.
Ans: (c) Adrenal gland.
15. Which of the following hormones is a steroid?
(a) Adrenaline.
(b) Cortisol.
(c) Thyroxine.
(d) Insulin.
Ans: (b) Cortisol.
