Free Ecosystem (Daily Quiz: 7) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Match the trophic levels with their correct species examples in grassland ecosystem.

(A) Fourth trophic level	(i) Crow
(B) Second trophic level	(ii) Vulture
(C) First trophic level	(iii) Rabbit
(D) Third trophic level	(iv) Grass

Select the correct option.

(a) A-(iv), B-(iii), C-(ii), D-(i)

(b) A-(iii), B-(ii), C-(i), D-(iv)

(c) A-(ii), B-(iii), C-(iv), D-(i)

(d) A-(i), B-(ii), C-(iii), D-(iv)

Question-2

Which one of the following is correct for xerarch succession?

(a) Successional series from hydric to mesic condition

(b) Successional series from xeric to mesic condition

(c) Both (a) and (b)

(d) None of the above

Question-3

A detritivore is

(a) animal feeding on dead and decaying organic matter

(b) animal feeding on plant matter

(c) a plant feeding on an animal

(d) animal feeding on another animal

Question-4

During ecological succession

(a) the gradual and predictable change in species composition occurs in a given area

(b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community

(c) the numbers and types of animals remain constant

(d) the establishment of a new biotic community is very fast in its primary phase

Question-5

In grass-deer-tiger food chain, grass biomass is one tonne. The tiger biomass shall be

(a) 10 kg

(b) 100 kg

(c) 200 kg

(d) 1 kg