Identify the statement which are not true for the natural ecosystem (A) Grassland and desert are example of terrestrial ecosystem. (B) Oceans and rivers are man-made ecosystems. (C) Wetland and estuary are examples of aquatic ecosystem. (D) Crop fields and aquarium are natural ecosystems. Choose the correct answer from the option given below

Question

Identify the statement which are not true for the natural ecosystem (A) Grassland and desert are example of terrestrial ecosystem.  (B) Oceans and rivers are man-made ecosystems.  (C) Wetland and estuary are examples of aquatic ecosystem.  (D) Crop fields and aquarium are natural ecosystems. Choose the correct answer from the option given below

cdquestions Admin · Accepted Answer

The correct option is (D) : (B) and (D) only

Answer

(A) and (C) only

Answer

(B) and (C) only

Answer

(A) and (B) only

Answer

(B) and (D) only

List-I (Concepts)	List-II (Explanation)
(A) Standing state	(IV) Amount of mineral nutrients in the soil at a given time
(B) Secondary productivity	(II) Rate of formation of organic matter by consumers
(C) Standing crop	(III) Mass of living matter in a trophic level at a given time
(D) Net primary productivity	(I) Available biomass for the consumption of heterotrophs

The Correct Option is D

Solution and Explanation

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