Ecosystem Question 101

Which of the following statements are correct?

(i) Deserts and deep lakes show least productivity. (ii) 10g of mass is passed to the next trophic level in the food chain. (iii) Most productive ecosystem is coral reef. (iv) Sugarcane is one of the most productive crops. Choose the correct option.

Options:

A) (i) and (iv)

B) (i) and (iii)

C) (ii) and (iii)

D) (i), (iii) and (iv)

Show Answer

Answer:

Correct Answer: D

Solution:

Deserts have the lowest primary productivity as the soil is deficient in nutrients.

(ii) Some plants have a greater efficiency in trapping sunlight (sugar cane), so they accumulate more primary productivity.

(iii) Productivity is maximum in the coral reefs because they grow in areas having good light, enough warm water and abundant nutrients.



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