set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation-togeneration?

a) Number of base-pairs per turn

b) Complementary to the two strands

c) Double helix

d) Sugar-phosphate backbone

Question : 2

Which of the following statement is incorrect regarding PCR?

a) Taq DNA polymerase is not thermostable.

b) In PCR, two primers are used.

c) Taq DNA polymerase is related for PCR.

d) Multiple copies of gene can be synthesized in PCR.

Question : 3

The sex of the child in humans primarily depends on

a) X and Y chromosome of male part

b) X chromosome of female part

c) Both (a) & (b)

d) None of the two

Question : 4

Consider the following effects of genetic engineering.

1. Disease resistance
2. Growth promotion
3. Animal cloning
4. Human cloning

a) 1, 2 and 4

b) 1, 3 and 4

c) 2, 3 and 4

d) 1, 2 and 3

Question : 5

Which one of the following statements is correct ? Cretinism is a human disorder which is due to the under secretion of :

a) Glucagon hormone

b) Adrenalin hormone

c) Cortisone hormone

d) Thyroxin hormone

Question : 6

Haemophilia is a genetic disorder which lead to

a) decrease in WBC

b) decrease in hamemoglobin level

c) rheumatic heart disease

d) non-clotting of blood