genetic engineering and bio technology - Category wise Question and Answer Practice Test with Solutions

Question : 11 [IAS (Pre) 2012]

With reference to ‘stem cells’, frequently in the news, which of the following statement(s) is/are correct?

1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.

a) Only 3

b) 1 and 2

c) 2 and 3

d) 1, 2 and 3

Question : 12 [PSC (Pre) 2017]

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 : 13

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 : 14

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 : 15 [PCS (Pre) 2013]

Which one was the first successful cloned animal?

a) Rabbit

b) Sheep

c) Gibbon

d) None of these