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प्रश्न
The following is a food chain that ends with human :
plants → bee → human
How do bees provide food for humans?
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उत्तर
Humans obtain honey made by bees and consume it as food.
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संबंधित प्रश्न
We do not clean natural ponds or lakes but an aquarium needs to be cleaned regularly. Why is it so ? Explain.
What is biological magnification?
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Explain how the pesticides enter a food chain and subsequently get into our body.
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(a) carnivores
(b) herbivores
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(d) producers
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Fill in the following blank with suitable word :
Grass → ........... → Human
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With the help of a food chain, explain how biological magnification of harmful chemicals can occur.
Which of the following gets the minimum energy through the food chain in an ecosystem?
(a) carnivore
(b) large carnivore
(c) producer
(d) herbivore
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(a) water beetles
(b) tadpoles
(c) weeds
(d) fish
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(a) 15 J
(b) 10 J
(c) 1.50 J
(d) 0.15 J
Arrange the following in a correct sequence and form a food chain
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