HARD
8th CBSE
IMPORTANT
Earn 100

What is waterlogging? How does it harm the crops? How can it be prevented?

Important Questions on Crop Production

HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Discuss two methods of weeding in which poisonous chemicals are not used.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 1 - Crop Production>EXERCISES>Q D
Differentiate between insecticides, rodenticides and fungicides. Which of these are pesticides?
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.