set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

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 : 2

Which one was the first successful cloned animal?

a) Rabbit

b) Sheep

c) Gibbon

d) None of these

Question : 3

In the context of the developments in Bioinformatics, the term ‘transcriptome’, sometimes seen in the news, refers to

a) The description of the mechanism of gene expression

b) A range of enzymes used in genome editing

c) The full range of mRNA molecules expressed by an organism

d) A mechanism of genetic mutations taking place in cells

Question : 4

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 : 5

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 : 6

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