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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) - Agriculture institutions develop new technologies to help the farmers to increase efficiency, and productivity.

Reasoning (R) - There is growing demand of food and there is necessacity to maintain the quality and quantity of resources for future generations.

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

2. Assertion (A) - Repeated cultivation of crops cause loss of fertility in soil.

Reasoning (R) - Farmers add manure and fertilisers to replenish the fertility.

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

3. Assertion (A) - Manual method of harvesting uses machines for harvesting crops.

Reasoning (R) - Harvesting of crops does not vary from season to season.

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

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