Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Ecosystem

Question:

Stages of primary ecological succession in water are given below. Arrange these stages in the correct sequence.

A. Reed-swamp stage

B. Forest

C. Marsh-meadow stage

D. Submerged plant stage

E. Scrub stage

Choose the correct answer from the options given below.

Options:

A, C, D, B, E

C, D, A, E, B

E, C, B, A, D

D, A, C, E, B

Correct Answer:

D, A, C, E, B

Explanation:

The correct answer is Option (4)- D, A, C, E, B

In primary succession in water, the pioneers are the small phytoplanktons, which are replaced with time by rooted-submerged plants, rooted-floating angiosperms followed by free-floating plants, then reed- swamp, marsh-meadow, scrub and finally the trees. The climax again would be a forest. With time the water body is converted into land.