SSC Worksheet for chapter-12 Improvement in Food Resources class 9

Worksheet For class 9

Find SSC Worksheet for chapter-12 Improvement in Food Resources class 9

CLASS-9

BOARD: SSC

BIOLOGY Worksheet - 12

TOPIC: Improvement in Food Resources

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1. Rotation of crops is essential for
   1. getting different kinds of crops
   2. increasing quality of minerals
   3. increasing fertility of soil
   4. increasing quality of proteins
2. Which of the following is not a sustainable agriculture technique?
   1. Mixed farming
   2. Slash and burn farming
   3. Crop rotation
   4. Crop selection
3. What are the advantages of intercropping and crop rotation?
4. Why should preventive measures and biological control methods be preferred for protecting crops?
5. What factors may be responsible for losses of grains during storage?
6. Which method is commonly used for improving cattle breeds and why?
7. What management practices are common in dairy and poultry farming?
8. How are fish obtained?
9. What are the desirable characters of bee varieties suitable for honey production?
10. How do good animal husbandry practices benefit farmers?