HARD
8th CBSE
IMPORTANT
Earn 100

Differentiate between insecticides, rodenticides and fungicides. Which of these are pesticides?

Important Questions on Crop Production

HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Discuss with an example how hybridization is used for developing new varieties of crops with desired characteristics.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Differentiate between nitrification and denitrification.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q E
What are the advantages of ploughing the soil before sowing seeds?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q E
What precautions must be kept in mind while sowing seeds in a field?
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q E
Discuss two natural methods of manuring.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q E
Draw a labelled diagram to illustrate the nitrogen cycle.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q 1
Which method, can bring about the maximum increase in crop production in our country in future?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q 2
What are the drawbacks of seed being unevenly distributed in a field while sowing?