What is the concept of 'hydroponics'? MCQ with Answer and Explanation

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What is the concept of 'hydroponics'?

A. Growing plants in sand

B. Growing plants in water without soil

C. Growing plants in soil

D. Growing plants with only organic matter

Answer: Option B

Solution (By JKExamLibrary)

Hydroponics is a method of growing plants using mineral nutrient solutions in water, without soil, allowing controlled environment agriculture.

This question belongs to: Geography GK Agriculture in India

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Question #1 Report Error

Which of the following is a major producer of tobacco in India?

A. Gujarat

B. Karnataka

C. Uttar Pradesh

D. Andhra Pradesh

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Correct Answer: Option D

Explanation:
Andhra Pradesh is the largest tobacco-producing state, with Guntur being a major growing area.

This question belongs to: Geography GK Agriculture in India

Question #2 Report Error

Sericulture refers to cultivation of:

A. Flowers

B. Fish

C. Honey

D. Silkworms for silk

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Correct Answer: Option D

Explanation:
It is an important agro-industry.

This question belongs to: Geography GK Agriculture in India

Question #3 Report Error

The crop with the highest water requirement is:

A. Bajra

B. Jowar

C. Sugarcane

D. Gram

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Correct Answer: Option C

Explanation:
Sugarcane needs prolonged irrigation.

This question belongs to: Geography GK Agriculture in India

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