set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Variation can be brought about by

a) adjusting with environment

b) sexual reproduction

c) copying of DNA

d) All of the above

Question : 2

Amother of blood group O has a group O child.What could be the blood group of father of the child?

a) A or B

b) Only O

c) A or B or O

d) Only AB

Question : 3

With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future?

1. Genome sequencing can be used indentify genetic markers for disease resistance and drought tolerance in various crop plants.
2. This technique helps in reducing the time required to develop new varieties of crop plants.
3. It can be used to decipher the host-pathogen relationship in crops.

a) Only 1 and 3

b) Only 1

c) Only 2 and 3

d) 1, 2 and 3

Question : 4

Genetically engineered human insulin is prepared by using–

a) Pseudomonas

b) E. coli

c) Rhizopus

d) Yeast

Question : 5

Which one of the following is a hereditary disease ?

a) Pellagra

b) Cataract

c) Haemophilia

d) Osteoporosis

Question : 6

Bt brinjal is

a) A wild variety of Brinjal

b) A new variety of Brinjal

c) A genetically modified Brinjal

d) None of the above