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AIIMS 2003
Exam
AIIMS
Year
2003
Subject
Botany
Chapter
Ecosystem

AIIMS 2003 · Botany · Ecosystem

Assertion : In a food chain members of successive higher levels are...

Assertion : In a food chain members of successive higher levels are fewer in number. Reason : Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.

Options

  1. AIf both Assertion and Reason are true and the reason is the correct explanation of the assertion
  2. BIf both Assertion and Reason are true but the reason is not the correct explanation of the assertion
  3. CIf Assertion is true statement but Reason is false
  4. Dif both Assertion and Reason are false statements

Correct answer

A. If both Assertion and Reason are true and the reason is the correct explanation of the assertion

Step-by-step solution

In a food chain the number of animals and biomass at the lower trophic level is abundant. Successive links of carnivores decrease rapidly in number until there are very few carnivores at the top.
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