What are leguminous plants?

Important Questions on Crop Production and Food from Animals

HARD

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 5

Describe in brief the nitrogen cycle in nature.

EASY

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 1

What are fertilizers?

EASY

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 2

From where do we obtain fertilizers?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 3

Name the three essential elements forming a part of plant nutrition?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 4

Name some common fertilizers.

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 5

Why should we use chemical or inorganic fertilizers in the fields with utmost care?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 6

What are the harmful effects of using chemical fertilizers in excess for the enrichment of the soil?

MEDIUM

8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 1 - Crop Production and Food from Animals>Test Your Learning Outcome>Q 7

What are the advantages of using compost or green manure against the use of fertilizers for the enrichment of soil?