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PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Subjects
Science CBSE
Class 9
Improvement in food resources
Crop yield improvement

16. Fertilisers, manures, irrigation methods, and the cropping patterns

Exercise condition:

6 m.

Analyse the statements below and choose the correct answer:

1. Assertion (A) - The production efficiency of both animals and plants must be improved in India.

Reasoning (R) - To meet the demands of rising population, requirement of food is increased.

A is false but R is true
A is true but R is false
Both A and R are true but R is NOT the correct explanation of A
Both A and R are true and R is the correct explanation of A
Both A and R are false

2. Assertion (A) - Plants like guar are cultivated, grown, and mulched by ploughing into the soil before sowing the main crop seed.

Reasoning (R) - The mulched crops turn into a fertiliser.

Both A and R are false
Both A and R are true and R is the correct explanation of A
A is false but R is true
A is true but R is false
Both A and R are true but R is NOT the correct explanation of A

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