set 3 MCQ Questions & Answers Detailed Explanation

Question : 1

In gene therapy, to correct the functioning of a faulty gene

a) Defective gene is stopped from working

b) Bad gene is eleminated

c) Another good gene is inserted

d) The whole bad gene is replaced by a good gene

Question : 2

Hereditary characteristics are passed on from parents to offspring chiefly through

a) genes

b) gametes

c) enzymes

d) centrosomes

Question : 3

Nobel Prize winning scientist James D. Watson is known for his work in which area?

a) Environmental protection

b) Metallurgy

c) Meteorology

d) Genetics

Question : 4

Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?

a) Natural selection

b) Isolation

c) Mutation

d) Sexual reproduction

Question : 5

Garima II is the name of a

a) Cloned sheep

b) Cloned buffalo

c) Cloned cow

d) Bt tomato

Question : 6

Consider the following kinds of organisms.

1. Bacteria
2. Fungi
3. Flowering plants

a) 1 and 3

b) Only 1

c) 2 and 3

d) 1, 2 and 3