MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why is ploughing an important practice in agricultural fields?

Important Questions on Crop Production and Management

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H
Discuss some natural methods to prevent the growth of pests.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H

Raghav is a friend of Shashank, who is a farmer. Raghav advises his friend not to grow the same type of crop (Cash crop) in his field over several years to gain more money.

Is Raghav's advice correct?

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H

Raghav is a friend of Shashank, who is a farmer. Raghav advises his friend not to grow the same type of crop (Cash crop) in his field over several years to gain more money.

What can be the consequences of growing one type of crop in a field for a long period of time?

MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H
'Prolonged use of pesticides is undesirable'. Comment on this statement.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H
Explain the nitrogen cycle with the help of a diagram.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H
In what way is pisciculture different from apiculture?
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H
Explain the processes - harvesting, threshing and winnowing.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 1 - Crop Production and Management>ASSESSMENT ZONE>Q H
What is the 'field fallow'? What is the aim of this practice?