CBSE Class 8 Science Worksheet - Crop Production and Management B

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CBSE Class 8 Science Worksheet - Crop Production and Management B - Practice worksheets for CBSE students. Prepared by teachers of the best CBSE schools in India.

BAL BHARATI PUBLIC SCHOOL

GANGA RAM HOSPITAL MARG

FORMATIVE ASSESSMENT NO: 2

SUBJECT: SCIENCE

CLASS – VIII

ASSIGNMENT NO: 1

CHAPTER – CROP PRODUCTION

Q1. Fill ups:

1. ___________ compete with main crops for nutrients.

2. Grains are separated from harvested crops by using _________ & ________

3. Excess water in the fields may cause a condition called________________.

4. ____________ bacteria lies in the root nodules of leguminous plants helps in fixing of atmospheric nitrogen.

5. Bulk storage of grains is done in ____________& ___________.

6. The produced crop is stored in different containers, after being sundried, to

prevent the attack of______________.

Q2. Name the following:

1. Equipment used to level the tilled land.______________

2. Process of leaving the land uncultivated for one or more seasons.___________

3. Management & care of domestic animals._____________

4. Man made chemical substance rich in inorganic nutrients.____________

5. Separation of grain from its chaff or husk after threshing with the help of wind.______________

6. An agricultural implement used to sow seeds.______________

7. The process of removing weeds from the field.______________

8. Organisms which cause damage to the crops & make them unfit for human consumption._____________


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