NCERT Class 11-Biology: Chapter –22 Chemical Coordination and Integration Part 1
Doorsteptutor material for NSO is prepared by world's top subject experts: fully solved questions with step-by-step explanation- practice your way to success.
Multiple Choice Questions
Question 1:
Select the right match of endocrine gland and their hormones among the options given below
A. | Pineal | i. | Epinephrine |
B. | Thyroid | ii. | Melatonin |
C. | Ovary | iii. | Estrogen |
D. | Adrenal medulla | Iv | Tetraiodothyronine |
Options:
a. A-iv, B-ii, C-iii, D-i
b. A-ii, B-iv, C-i, D-iii
c. A-iv, B-ii, C-i, D-iii
d. A-ii, B-iv, C-iii, D-i
Answer: (d)
Question 2:
Listed below are the hormones of anterior pituitary origin. Tick the wrong entry.
a. Growth hormone
b. Follicle stimulating hormone
c. Oxytocin
d. Adrenocorticotrophic hormone
Answer: (c)
Question 3:
Mary is about to face an interview. But during the first five minutes before the interview she experiences sweating, increased rate of heart beat, respiration etc. Which hormone is responsible for her restlessness?
a. Estrogen and progesterone
b. Oxytocin and vasopressin
c. Adrenaline and noradrenaline
d. Insulin and glucagon
Answer: (c)
Question 4:
The steroid responsible for balance of water and electrolytes in our body is
a. Insulin
b. Melatonin
c. Testosterone
d. Aldosterone
Answer: (d)
Question 5:
Thymosin is responsible for
a. Raising the blood sugar level
b. Raising the blood calcium level
c. Increased production of T lymphocytes
d. Decrease in blood RBC
Answer: (c)
Question 6:
In the mechanism of action of a protein hormone, one of the second messengers is
a. Cyclic AMP
b. Insulin
c.
d. Gastrin
Answer: (a)
Question 7:
Leydig cells produce a group of hormones called
a. Androgens
b. Estrogens
c. Aldosterone
d. Gonadotropins
Answer: (a)
Question 8:
Corpus luteum secretes a hormone called
a. Prolactin
b. Progesterone
c. Aldosterone
d. Testosterone
Answer: (b)
Question 9:
Cortisol is secreted from
a. Pancrease
b. Thyroid
c. Adrenal
d. Thymus
Answer: (c)