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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 State Board
Class 8
Crop Production and Management
Agricultural practices in crop production

19. Assertion and reasoning on general agricultural practices

Exercise condition:

9 m.

Choose the correct answer:

1. Assertion (A) - Soil preparation is the turning and loosening of the topsoil.

Reasoning (R) - When soil is turned there is fresh supply of nutrients to the plants.

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

2. Assertion (A) - Sowing of seeds is the process through which seeds are planted in soil.

Reasoning (R) - Broadcasting is also called seed drill.

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
A is false but R is true
A is true but R is false
Both A and R are false

3. Assertion (A) - Chemical vapours are sprayed on the seeds after harvest.

Reasoning (R) - Fumigation causes increased attack of pests.

Both A and R are true and R is the correct explanation of A
A is false but R is true
Both A and R are false
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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