What is the role of 'bio-fertilizers'? MCQ with Answer and Explanation

What is the role of 'bio-fertilizers'?
A. To kill pests
B. To enhance water retention
C. To fix atmospheric nitrogen or solubilize phosphorus
D. To provide chemical nutrients
Answer: Option C
Solution (By JKSSB Mock Tests)
Bio-fertilizers contain living microorganisms that enhance nutrient supply to plants, like Rhizobium for nitrogen fixation and Phosphate-solubilizing bacteria.

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Practice More Agriculture in India Questions

Question #1
Which of the following is a major producer of rubber in India?
A. Tamil Nadu
B. Kerala
C. Tripura
D. Karnataka

Correct Answer: Option B


Explanation:
Kerala is the largest producer of natural rubber, followed by Tripura, Karnataka, and Tamil Nadu.

This question belongs to: Geography GK Agriculture in India
Question #2
Which of the following is a beverage crop grown in India?
A. Tea
B. Cotton
C. Sugarcane
D. Jute

Correct Answer: Option A


Explanation:
Tea is a beverage crop grown in Assam, West Bengal, Tamil Nadu, and Kerala. It requires well-drained soil, warm and humid climate, and is a major export crop.

This question belongs to: Geography GK Agriculture in India
Question #3
The cropping pattern Rice-Wheat is predominant in:
A. Northeast hills
B. Indo-Gangetic Plains
C. Southern coastal areas
D. Western Rajasthan

Correct Answer: Option B


Explanation:
Punjab, Haryana, western UP practice intensive rice-wheat rotation.

This question belongs to: Geography GK Agriculture in India