SSC Ecology And Environment Sample Paper NCERT Sample Paper-2

  • question_answer
    Consider the following statements concerning food chains
     Removal of 80% tigers from an area resulted in greatly increased growth of vegetation
     Removal of most of the carnivores resulted in an increased population of deer
     The length of food chains is generally limited to 3-4 trophic levels due to energy loss
     The length of food chains may vary from 2 to 8 trophic levels. Which two of the above statements are correct?

    A)  B and C          

    B)  C and D

    C)  A and D          

    D)  A and B

    Correct Answer: A

    Solution :

    [a] Tigers are carnivores and their removal leads to increase in the population of herbivores which tigers feed upon. Thus, statement A will be false as vegetation should pace down as there is an increase in consumption.

You need to login to perform this action.
You will be redirected in 3 sec spinner