Free Chemical Coordination And Integration (Daily Quiz: 12) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Chemical Coordination And Integration (Daily Quiz: 12) Time:

Question-1

Low $Ca^{++}$ in the body fluid may be the cause of

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Tetany is a spasm and twitching of the muscles, particularly those of the face, hands, and feet. Tetany is usually caused by a reduction in the blood calcium level, which may be due to underactive parathyroid glands, rickets, or alkalosis.


Question-2

Which one of the following is not a second messenger in hormone action?

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

cGMP (Cyclic Guanosine Monophosphate) which acts as secondary messenger works on the action of acetylcholine, increase in flow of $Ca^{2+}$ into muscle fibres& hence causes muscle relaxation. There is no role of sodium in hormonal action.


Question-3

A man is admitted to a hospital. He is suffering from an abnormally low body temperature, loss of appetite and extreme thirst. His brain scan would probably show a tumor in

(a)

(b)

(c)

(d)


Question-4

Which set is similar?

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

After ovulation many of the follicular cells remain in the collapsed Graafian follicle on the surface of the ovary. The antrum (cavity) of the collapsed follicle fills with a partially clotted fluid. The follicular cells enlarge and fill with a yellow pigment, lutein. Such a follicle is called a corpus luteum.


Question-5

Which hormone promotes cell division, protein synthesis and bone growth?

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

The chief function of STH (HG) is to promote synthesis and secretion of small protein hormone called insulin like growth factors (IGFs).


Molecular Basis Of Inheritance

Quiz 1091

Biotechnology Principles And Processes

Quiz 1092

Biotechnology And Its Applications

Quiz 1093

Organisms And Populations

Quiz 1094

Ecosystem

Quiz 1095

NEET Biology Quiz

Topic Wise Quizzes

NEET Biology MCQ

Topic Wise Exercise

Today Quiz

Animal Kingdom

This Week Quiz

Locomotion And Movement

This Month Quiz

Locomotion And Movement