set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

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 : 2

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 : 3

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 : 4

Which one of these is not a food chain

a) Plants → Insects → Frog → Snake → Kite

b) Trees → Deer → Lion

c) Plants → Man → Anaconda

d) Small → plants → Crabs → Fish → Swan → bird

Question : 5

A biogeographic region with significant reservoir of biodiversity that is under threat from humans is called as

a) biodiversity reservoir

b) bioendangered region

c) biodiversity hotspot

d) environmentally endangered region

Question : 6

A plant having seeds but lacking flowers and fruits belongs to

a) Ferns

b) Pteridophytes

c) Mosses

d) Gymnosperms