Q11
1 markMCQSection A

Food web is constituted by

Our Environment
Food Chains and Webs

Options

(A)relationship between the organisms and the environment.
(B)relationship between plants and animals.
(C)various interlinked food chains in an ecosystem.
(D)relationship between animals and environment.
Official Answer

The correct option is (C).


A food web is constituted by various interlinked food chains in an ecosystem. Since each organism is generally eaten by two or more other kinds of organisms, the feeding relationships are represented as a series of branching lines rather than a straight line.

interlinked food chainsfood webbranching linesecosystem

Marking Scheme

  • 11 mark for selecting the correct option (C)

Hint

Recall that instead of a straight-line food chain, real-world feeding relationships are branching lines of interlinked chains.

Quick Oral Answer

A food web is a network of interconnected food chains that shows the complex feeding relationships in an ecosystem.

Analysis & Explanation

A food chain represents a single, unidirectional pathway of energy flow. However, in nature, these chains do not operate in isolation.

  • Option (C) is correct because multiple food chains are interconnected at different trophic levels to form a complex, web-like network called a food web.
  • Option (A) and (D) are incorrect because they describe general ecological interactions between organisms and their physical environment, not specifically a food web.
  • Option (B) is incorrect because a food web involves all biotic components (including microorganisms, herbivores, carnivores, and omnivores), not just plants and animals.

Common Mistakes

  1. 1Students sometimes confuse a food chain with a food web. A food chain is a single linear pathway, whereas a food web is a network of multiple interconnected food chains.

Interesting Facts

Food webs provide stability to ecosystems. If one species in a food web disappears, predators often have alternative prey options, preventing the immediate collapse of the ecosystem.

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Frequently Asked Questions

How many marks does this question carry in CBSE Class 10 Science 2020?

This question carries 1 mark in the CBSE Class 10 Science 2020 examination.

Which chapter does this question come from in Science?

This question is from the chapter "Our Environment" in the CBSE Class 10 Science syllabus.

What topic does this question cover in Science?

This question covers the topic "Food Chains and Webs" from CBSE Class 10 Science.

What type of question is this in the CBSE Class 10 Science 2020 paper?

This is a MCQ question from Section A in the CBSE Class 10 Science 2020 paper.