Explore topic-wise MCQs in Biology.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

In which of the following case is the number of children (0-14years) more?

A. Steady population
B. Declining population
C. Expanding population
D. Reproductive population
Answer» D. Reproductive population
Discussion
2.

In which of the following case is the number of old people more?

A. Growing population
B. Declining population
C. Steady population
D. Reproductive population
Answer» C. Steady population
Discussion
3.

On what basis is the tiger census in our national parks calculated?

A. Number of stripes
B. Number of legs
C. Number of limbs
D. Number of pug marks
Answer» E.
Discussion
4.

At which level does natural selection act?

A. Cellular level
B. Species level
C. Population level
D. Organism level
Answer» D. Organism level
Discussion
5.

By which letter is the population density designated?

A. A
B. G
C. F
D. N
Answer» E.
Discussion
6.

What does the plot of the age distribution of population results in?

A. Sex ratio
B. Age pyramid
C. Tree
D. Mountain
Answer» C. Tree
Discussion
7.

Which of the following attribute does a population have?

A. Births
B. Birth rate
C. Deaths
D. Pyramid
Answer» C. Deaths
Discussion
8.

Which of the following areas do population ecology links?

A. Ecology, population genetics, and evolution
B. Ecology, population genetics, and mathematics
C. Biology, physics and, history
D. Ecology, physics and, history
Answer» B. Ecology, population genetics, and mathematics
Discussion
9.

Which organisms are considered a population for the purpose of ecological studies?

A. Sexually reproducing organisms
B. Sexually as well as asexually reproducing organisms
C. Asexually reproducing organisms
D. Species
Answer» C. Asexually reproducing organisms
Discussion