CBSE Class 9 Biology Improvement In Food Resources Worksheet Set A

Read and download free pdf of CBSE Class 9 Biology Improvement In Food Resources Worksheet Set A. Students and teachers of Class 9 Biology can get free printable Worksheets for Class 9 Biology in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 9 students should practice questions and answers given here for Biology in Grade 9 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 9 Biology Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Improvement In Food Resources Class 9 Biology Worksheet Pdf

Class 9 Biology students should refer to the following printable worksheet in Pdf for Improvement In Food Resources in standard 9. This test paper with questions and answers for Grade 9 Biology will be very useful for exams and help you to score good marks

Class 9 Biology Worksheet for Improvement In Food Resources

 

CBSE Class 9 Biology Worksheet -  Improvement In Food Resources

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CLASS: IX SA 1 PORTION LESSON : 15 IMPROVEMENT IN FOOD RESOURCES

Answer the following questions:

1. How do plants get nutrients?

2. What are the desirable agronomic characteristics for crop improvement?

3. Why should preventive measures and biological controls methods be preferred for protecting crops?

4. What factors are responsible for losses of grains during storage?

5. Mention two advantages of animal husbandry.

6. What are Kharif and Rabi crops?

7. State one importance of photoperiod in agriculture

8. What is mariculture?

9. What is vermicompost?

10. What is crop rotation?

11. List two desirable traits for fodder crops?

12. What is the advantage of green manure?

13. Why there is a need for varietal improvement?

14. Define hybridization.

15. Define green revolution and white revolution.

16. What is animal husbandry? Differentiate between Milch and draught animals.

17. Distinguish between Apiculture and Aquaculture.

18. How does the deficiency of nutrients affect the growth of plants?

19. Why should weeds be constantly removed from cultivated fields?

20. Define manures. What are its three different kinds?

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