set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Mutation rates are affected by

a) X-rays

b) gamma and beta radiation

c) temperature

d) All of the above

Question : 2

Who proved that DNA is basic genetic material?

a) Watson

b) Boveri and Sutton

c) Griffith

d) Hershey and Chase

Question : 3

Initiation codons for protein synthesis are

a) AGA and GUA

b) AAU and UAA

c) UUU AND GGG

d) GUG and AUG

Question : 4

Analogous organs are

a) common in origin but perform different functions.

b) different in origin but perform similar functions.

c) common in origin and perform common functions.

d) different in origin and perform different functions.

Question : 5

Consider the following statements :

1. Characters are transferred from parents to progeny through DNA.
2. Coded information in nucleic acid depend on the arrangement of nucleotides.

a) 1 and 2 both

b) 2 only

c) 1 only

d) None

Question : 6

Scientific name of man is

a) Homo habilis

b) Homo erectus

c) Canis familiaris

d) Homo sapiens