Explore topic-wise MCQs in Life Sciences.

This section includes 19 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.

Which of the following is TRUE for the stabilized ecosystem?

A. P-R=1
B. P/R < 1
C. P/R > 1
D. P/R =1
Answer» E.
2.

What is an edge effect?

A. Community complexity
B. Community classification
C. Increased diversity at the boundary of ecotone
D. Community stability
Answer» D. Community stability
3.

Which of the following defines the separation of two different communities?

A. Ecotone
B. Edge effect
C. Ecade
D. Resistance
Answer» B. Edge effect
4.

Community refers to living and non-living components of the ecosystem.

A. True
B. False
Answer» C.
5.

A group of people coexist within space and time and interact with each other is known as ____________

A. Keystone species
B. Community
C. Guild
D. Population
Answer» C. Guild
6.

COMMUNITY_REFERS_TO_LIVING_AND_NON-LIVING_COMPONENTS_OF_THE_ECOSYSTEM.?$

A. True
B. False
Answer» C.
7.

What is an edge effect?$

A. Community complexity
B. Community classification
C. Increased diversity at the boundary of ecotone
D. Community stability
Answer» D. Community stability
8.

Which_of_the_following_defines_the_separation_of_two_different_communities?$

A. Ecotone
B. Edge effect
C. Ecade
D. Resistance
Answer» B. Edge effect
9.

Which of the following is a diversity index?

A. Upright index
B. Inverted index
C. Bell shaped index
D. Simpson’s index
Answer» E.
10.

Name the term which defines the ability of community return to its original state after being displaced?

A. Dispersed
B. Clumped
C. Resistance
D. Resilience
Answer» E.
11.

Which_of_the_following_is_TRUE_for_the_stabilized_ecosystem?

A. P-R=1
B. P/R < 1
C. P/R > 1
D. P/R =1
Answer» E.
12.

A group of people coexist within space and time and interact with each other is known as ___________?

A. Keystone species
B. Community
C. Guild
D. Population
Answer» C. Guild
13.

Which of the following structure can be seen in the diminishing population?

A. Upright
B. Inverted
C. Bell shaped
D. Urn-shaped
Answer» E.
14.

Name those organisms who can breed only once in their lifetime?

A. Dispersed
B. Clumped
C. Iteroparous
D. Semelparous
Answer» E.
15.

Which of the following survivorship curve is suitable for the organisms who breeds several times during the course of their life span?

A. Type IV
B. Type III
C. Type II
D. Type I
Answer» E.
16.

Which of the following term defines the ability of the individual in the population to produce new individuals?

A. Dispersion
B. Mortality
C. Natality
D. Population dispersal
Answer» D. Population dispersal
17.

Name the term which defines the study of the characteristics and parameters of the population.

A. Demography
B. Population ecology
C. Population density
D. Mortality
Answer» B. Population ecology
18.

The size of the population is represented by the property called density.

A. True
B. False
Answer» B. False
19.

The collection of individuals which belongs to the same species when live together in a region is known as ____________

A. Keystone species
B. Community
C. Guild
D. Population
Answer» E.