Free Chemical Coordination And Integration (Daily Quiz: 9) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Chemical Coordination And Integration (Daily Quiz: 9) Time:

Question-1

What is correct to say about the hormone action in humans?

(a)

(b)

(c)

(d)


Question-2

The amino acid tryptophan is the precursor for the synthesis of

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

Tryptophan is an essential amino acid which is precursor for the synthesis of melatonin and serotonin.


Question-3

The endocrine glands A and B in the given figure represent ___ (i) ____ and ____ (ii) ____ respectively. Identify (i) and (ii)

chemical-coordination-and-integration-class-11-Chapter-22-neet-mcq-5-22-79-197

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

(i) and (ii) are respectively pituitary gland and adrenal gland respectively.


Question-4

Mark the hormone given in column I and the endocrine cells given in column II.
Column-IColumn-II
A. α-cellI. Inhibin
B. β-cellII. Glucagon
C. Leydig cellIII. Insulin
D. Sertoli cellsIV. Testosterone
Codes:

(a)

(b)

(c)

(d)

Explanation:

Answer: (d)

Glucagon is secreted from the alpha cells of pancreas when the blood sugar level is low. It stimulates glycogen breakdown and glucose synthesis in the liver by increasing blood glucose concentration. Whereas rising level of blood glucose stimulates insulin secretion from the beta cells of pancreas. Leydig cells secretes testosterone hormone and sertoli cells secretes inhibin.


Question-5

Emergency hormone and hormones of fight are

(a)

(b)

(c)

(d)


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