| (i) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. |
| (ii) Removal of most of the carnivores resulted in an increased population of deers. |
| (iii) The length of food chains is generally limited to 3-4 trophic-levels due to energy loss. |
| (iv) The length of food chains may vary from 2 to 8 trophic levels. |
| Which two of the above statements are correct? |
A) (ii) and (iii)
B) (iii) and (iv)
C) (i) and (iv)
D) (i) and (ii)
Correct Answer: A
Solution :
[a] Food chain is the transfer of energy from green plants (Primary producers), through a sequence of organisms occupies in a food chain is known as its trophic level. Therefore, statements (ii) and (iii) are correct.
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