set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Which one of the following is not a genetic disorder?

a) Haemophilia

b) Colour blindness

c) Down’s syndrome

d) Xerophthalmia

Question : 2

Which of the following statements is/are correct regarding vegetative propagation of plants?

1. Vegetative propagation produces clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practised most of the year.

a) Only 1 and 3

b) Only 1

c) Only 2 and 3

d) 1, 2 and 3

Question : 3

For which desirable character the transgenic crop ‘Golden Rice’ is produced?

a) Insulin

b) Vitamin ‘A’

c) Essential Amino Acids

d) Characteristic Starch

Question : 4

Consider the following statements and choose the correct ones using the codes given below.

1. The flavr-savr tomato was the first genetically engineered crop product to be commercialised.
2. Ripe fruits of flavr-savr remain firm for longer duration and can be transported to market after vine-ripening.
3. Ripe fruits of flavr-savr have colour but not the full array of vine ripened tomato flavours.

a) 1 and 2

b) 1 and 3

c) 1, 2 and 3

d) 1 and 3

Question : 5

Match Column-I with Column-II and select the correct answer using the code given below the lists.

a) A – II; B – III; C – IV; D – I

b) A – I; B – IV; C – III; D – II

c) A – IV; B – II; C – III; D – I

d) A – II; B – IV; C – III; D – I

Question : 6

A genetically engineered form of brinjal, known as the Bt brinjal has been developed. The objective of this is

a) To make it drought resistant

b) To make in pest-resistant

c) To improve its taste and nutritive qualities

d) To make it shell-life longer