set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

In human beings, a recessive gene can express it in homozygous condition as in

a) X-Chromosome of females

b) Autosome

c) X-chromosome of male

d) An autosome or X-Chromosome

Question : 2

If a rat is created by using human growth gene, which is eight times bigger than normal rat; then this technique will be said as

a) Mutation reproduction

b) Cross-breeding

c) Hereditary engineering

d) Hormony nourshing

Question : 3

In the case of a test tube baby

a) Fertilization takes place outside the mother’s body

b) Fertilization takes place inside the test tube

c) Development of the baby takes place inside the test tube

d) Unfertilised egg develops inside the test tube

Question : 4

The bacteria generally used for genetic engineering is

a) Pseudomonas

b) Agrobacterium

c) Bacillus

d) Clostridium

Question : 5

Who first outlined the structure of the life molecule (D.N.A.)?

a) Dr. James Watson and Dr. Francis Crick

b) Dr. Maghnath Saha

c) Dr. Stephan Hawking

d) Dr. Alexander Fleming

Question : 6

Steps of Recombinant DNA technology are given below.

1. Identification and isolation of the genetic material.
2. Fragmentation of DNA.
3. Obtaining the foreign gene product.
4. Downstream processing.
5. Ligation of DNA fragmentation into the vector.
6. Isolation of desired DNA fragments.
7. Amplification of gene of interest.
8. Transfer of Recombinant DNA into the host cell/organism.

a) 1 → 2 → 6 → 7 → 5 → 8 → 3 → 4

b) 3 → 1 → 2 → 4 → 6 → 5 → 7 → 8

c) 1 → 4 → 3 → 2 → 5 → 7 → 6 → 8

d) 8 → 6 → 7 → 5 → 1 → 4 → 2 → 3