Page 15 - Science Class 08

F. Write True or False.
1. Domes ca on of animals is also a part of agriculture.

2. Wood plant is used for harves ng crops.
3. Seeds should be sown at proper distances so that they could get enough
space and nutrients.
4. Field follow method is used to increase the fer lity of the soil.
5. Excessive use of pes cides can harm the plants and pollute environment.
G. Very short answer ques ons.
1. What is agriculture?
2. What do you mean by crops?
3. Name any three planta on crops.

4. How is soil made loose?
5. What is nursery?
6. What is compos ng?
7. What is weeding?
8. What is harves ng?
H. Short answer ques ons.
1. What are the advantages of prepara on of soil?
2. Why seeds are sown at correct depth and distance?
3. Why do we manure our fields?
4. What is the advantage of crop rota on?
5. Why excessive use of chemical fer lizers is not good?
6. Write the main sources of irriga on?
7. How weeding is done?
8. Describe any two methods of protec ng crops.
I. Long answer ques ons.
1. Explain how fer lizers are different from manure.
2. What is irriga on? Describe two methods of irriga on which conserve water.
3. If wheat is sown in the kharif season, what would happen? Discuss.
4. Explain how soil gets affected by the con nuous planta on of crops in a field.
5. What are weeds? How can we control them?

Project ActivityActivityActivity
Project
Project
Project Activity
A. Collect informa on about the Green Revolu on and make a project.
B. Write an ar cle on the condi on of Indian farmers. You can take help from the newspapers
and magazines.
C. Take an outline map of India and mark the places which are the leading producers of rice,
wheat or maize.

HOTSTSTS
HO
HO
HOTS
Do you expect to find fully-grown crop plants in a nursery? Why? Why not?

Science-8 15