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

Question : 11

The process of translation is

a) protein synthesis

b) DNA synthesis

c) ribosome synthesis

d) RNA synthesis

Question : 12 [IAS (Pre) 2009]

With reference to the evolution of living organisms, which one of the following sequences is correct?

a) Salamander - Python - Kangaroo

b) Octopus - Dolphin - Shark

c) Pangolin - Tortoise - Hawk

d) Frog - Crab – Prawn

Question : 13 [UP UDA/LDA (Pre) 2001]

Dinosaurs were

a) Paleozoic amphibians

b) Cenozoic reptiles

c) Mesozoic birds

d) Mesozoic reptiles

Question : 14

Consider the following statements :

1. Earth is kept warm due to green house flux.
2. The reproduction and other activities of living organisms are affected by the abiotic components of ecosystem.
3. Ecology is the scientific study of the interaction of organisms with each other and the environment.

a) A, B and C

b) A and B

c) B and C

d) None of these

Question : 15

Consider the following statements about Progeria :

1. Progeria is the genetic disease associated with fast ageing.
2. Progeria patients never live beyond early twenties.
3. It happens due to point mutation replacing Cytosine by Thymine.

a) 2 and 3

b) 1 only

c) 1, 2, 3

d) 2 and 3