SELECT * FROM question_mgmt as q WHERE id=3899 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=266 and ex_no='4' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Our Environment which of the following constitute a food chain

Question:

Which of the following constitute a food-chain?

(a) Grass, wheat and mango
(b) Grass, goat and human
(c) Goat, cow and elephant
(d) Grass, fish and goat

Answer:

Grass, goat and human

Food chain is defined as the sequential steps of interlinking of the organisms which involves the transfer of food energy from one trophic level to another with repeated eating or being eaten process. In this, grass is the producer makes first trophic level and goat is the herbivore or the primary consumers which feeds on the grass makes secondary trophic levels. And, then flesh eaters, carnivores come, also known as secondary consumers, i.e, human beings which eats goat.

 


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