Gentics and Evoloution MCQ question and answer with solution

1

Mutation may results in the

A) change in genotype B) change in phenotype C) change in metabolism D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

2

The first successful production of haploid plants was performed by Guha and Maheswari (1964) who cultured anthers of

A) Lantana camara B) Datura innoxia C) Zea mays D) Eleusine coracana

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

3

Miller synthesised simple amino acids from one of the following mixtures in his experiment

A) CH₄, NH₃, H₂ and water vapour B) H₂, O₂, N₂ and water vapour C) H₂, O₂, C₂ and water vapour D) CH₄, NH₃, O₂ and water vapour

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

4

Double-helical structure of DNA was given by whom?

A) Jacob and Monod B) Watson and Crick C) H. G. Khorana D) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

5

Gynandromorph is

A) male with female traits B) female with male traits C) half male and half female D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

6

The strength of linkage is

A) Directly proportional to the distance between the genes B) Inversely proportional to the distance between the genes C) Inversely proportional to the percentage of crossing over between the genes D) Both B and C

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

7

DNA fingerprinting is used to identify the

A) parents B) rapist C) thieves D) All of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

8

Mutation is phenomena which results in alternation of

A) sequence B) carbohydrates C) proteins D) fat

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

9

The capability of nitrogen-fixation by certain bacteria has been traced to a set of genes, called the

A) Recessive genes B) Complementary genes C) Lethal genes D) Nif genes

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

10

Match List-I with List-II and select the correct answer:

List-I	List-II
a. Intravarietal hybridization	1. The plants of two different species belonging to the same genus are crossed together
b. Intervarietal hybridization	2. The crosses are made between the plants belonging to two different genera
c. Interspecific hybridization	3. The crosses are made between the plants of two different varieties of the same species
d. Intergeneric hybridization	4. The crosses are made between the plants of the same variety

A) a-3, b-2, c-4, d-1 B) a-4, b-3, c-1, d-3 C) a-2, b-1, c-4, d-3 D) a-1, b-3, c-4, d-2

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs