MEDIUM
Earn 100

A farmer grows wheat, year after year. He finds that the yield becomes low. Give one appropriate reason for it.

Important Questions on Food Production and Management

MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Write two examples of natural fertilizers.
EASY
Science>Biology>Food Production and Management>Basic Practices of Crop Production

Fertilizers and pesticides are harmful to soil as they kill the microorganisms involved in recycling of nutrients.

MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Give any four differences between manure and fertilizers
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Differentiate between mixed cultivation and crop rotation.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Differentiate between the following:
Compost and green manure.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Which crop is generally grown between two cereal crops in crop rotation to restore the fertility of soil?
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Write two examples of chemical fertilizers.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Explain how fertilizers are different from manure.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Differentiate between the following:
Compost and fertilizers.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Explain how soil gets affected by the repeated growing of crops in the same fields. How does use of fertilizers help the farmers?
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Differentiate between chemical and natural fertilizers.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Give the advantages and disadvantages of using chemical fertilizers for the cultivation of crop.
EASY
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Define manure. What are the advantages of manure?
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Which of the following is a chemical fertilizer?
EASY
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Name the process in which red worms are used to turn waste into compost.
EASY
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Name the two types of substances which are added to the fields by the farmers to maintain the fertility of soil.
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Which one has a role to play in the percolation of water into the deeper layers?
MEDIUM
Science>Biology>Food Production and Management>Basic Practices of Crop Production
Explain how soil gets affected by the continuous plantation of crops in a field.
EASY
Science>Biology>Food Production and Management>Basic Practices of Crop Production
What is a fertilizer? Name any two fertilizers. State two harmful effects caused by the excessive use of fertilizers.
EASY
Science>Biology>Food Production and Management>Basic Practices of Crop Production
How do earthworms help the farmers?