EASY
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We should prepare manure from fallen leaves, vegetables and fruit skins.

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Important Questions on Garbage in, Garbage out

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Fill in the blanks by choosing correct words from the box.

microbes wet  vegetable  clayey root  baby plant   wings

Fungicides are used to kill _____.

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Which one of the following can be converted into manure?
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Manure is not obtained from animal dung.
MEDIUM
How can farmers get a healthy crop?
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Which of the following increases the fertility of soil?
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Differentiate between the following:

Manure and humus. 

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Choose the correct word from the list and fill in the blank.

List: bacteria, air, manure, roots

Farmers add _____ to the soil to make it fertile.

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What is manure? Why is it added to soil?
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Differentiate between:

Chemical fertilisers and manure

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Why do farmers add chemicals and cow dung to the soil?
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What can be done to protect grains and pulses from insects?
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Kishan feels that the soil of his fields are no longer fertile. What should he add to help his plants?
 
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Manure is a mixture of _____and decaying leaves of plants and trees.
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What are organic fertilisers?

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Why do farmers add manures to the soil?
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Why do farmers add cow dung to the soil?
MEDIUM
What is the good effect of using pesticides?
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_____ leaves keep the insects away.