genetics, evolution of life & ecological biodiversity - Category wise Question and Answer Practice Test with Solutions

Question : 16

The long bones are hollow and connected by air passages these are characteristics of

a) Birds

b) Mammals

c) Reptiles

d) All land vertebrates

Question : 17

Consider the following statements :

1. Genomics is the study of the sequencing the genomes of organisms.
2. Genomics includes intensive efforts to determine the entire DNA sequence of organisms and fine scale genetic mapping efforts.
3. Genomics was established by Fredrick Sangerwhen he first sequenced the complete genomes of a virus and a mitochondrion.

a) 1 and 3

b) 2 and 3

c) 1 and 2

d) 1, 2 and 3

Question : 18

Which of the following viruses have RNA as the genetic material?

1. Polio-viruses
2. Retroviruses
3. Adeno-viruses
4. TMV

a) 2, 3 and 4

b) 1, 2 and 4

c) 1, 2 3 and 4

d) 3 and 4

Question : 19

The first organisms were

a) Chemoheterotrophs

b) Autotrophs

c) Chemoautotrophs

d) Eukaryotes

Question : 20 [PSC (Pre) 2019]

Match List-I with List-II :

a) 4 3 2 1

b) 3 4 1 2

c) 4 3 1 2

d) 3 4 2 1