Explore topic-wise MCQs in Life Sciences.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the effect on biodiversity when we move from pole to equator?

A. High
B. Increases
C. Decreases
D. Remains same
Answer» C. Decreases
2.

Which of the following term is given to the process of successful establishment of the species?

A. Ecesis
B. Aggregation
C. Nudation
D. Competition
Answer» B. Aggregation
3.

Who developed the polyclimax theory?

A. Daubenmire
B. R.H Whittaker
C. Clement
D. Tansley
Answer» E.
4.

Name the type of community which is maintained by the man or his domestic animals.

A. Climatic
B. Edaphic
C. Disclimax
D. Subclimax
Answer» D. Subclimax
5.

Name the scientist who had described the term climax.

A. Linneus
B. Clement
C. Puri
D. Cowles
Answer» C. Puri
6.

Which of the following factor is NOT responsible for autotrophic succession?

A. Climate
B. Soil erosion
C. Man
D. Microorganisms
Answer» E.
7.

Which of the following succession processes describes the development of bare area without any form of life?

A. Dispersed
B. Clumped
C. Ecesis
D. Nudation
Answer» E.
8.

Name the succession in which development of the biotic community starts after the destruction of an existing community?

A. Climax
B. Seral
C. Primary succession
D. Secondary succession
Answer» E.
9.

What is the entropy of the early succession community?

A. Medium
B. Low
C. High
D. Very high
Answer» D. Very high
10.

Which of the following selection pressure is obtained in late succession stage?

A. K- selection
B. R- selection
C. E-selection
D. L- selection
Answer» B. R- selection
11.

Climax community is the end point of the succession

A. True
B. False
Answer» B. False
12.

On an ecological time scale, the process of directional change in community composition is known as ____________

A. Keystone species
B. Succession
C. Guild
D. Population
Answer» C. Guild