DAV/CBSE CLASS 8 CHAPTER 9 SCIENCE SOLUTION-crop production and its management

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Hello Students, Toady we are starting our Class 8 Science Chapter-9 crop production and its management of DAV Book 2021. If You are in class 8 and looking for Class 8 Science Chapter-9 crop production and its management of CBSE/DAV Book Solution 2021. Then you are absolutely at the right place of knowledge decode

Class 8 Science Chapter 1 : The Cell- Its Structure and Functions 

class 8 science chapter 2 : Microorganisms : friends or foes

class 8 science chapter 3 : Metals and Non-metals

class 8 science chapter 4 : force and pressure

class 8 science chapter 5 : friction

class 8 science chapter 6 : sources of energy

class 8 science chapter 7 : combustion

class 8 science chapter 8 : conservation of plants and animals

This Post Contains All The Exercises of Chapter 9 Science Of Class 8 .

A.Fill In The Blanks.

B.Math The Following.

C.Tick(√) The Correct Option

D.Answer The Following Questions in Brief 

E.Answer The Following Questions

SOLUTION

A. FILL IN THE BLANKS.

1. Ploughing results in loosening and mixing of soil.
2. Weeds compete with crops for nutrients.
3. Rhizobium bacteria , present in the root nodules of leguminous plants , help in fixing atmospheric nitrogen.
4. Harvested grains are dried to reduce moisture content.
5. Removal of anthers , from the followers , is known as emasculation.

B. MATCH THE FOLLOWING.

1. Sickle : (d)harvesting
2. Tractor : (c)ploughing
3. Seed Drill : (e)sowing
4. Combine : (a)threshing
5. Silo : (b)storage

C. TICK THE CORRECT OPTION.

1. The practice , of growing leguminous plants between successive cereal crops , is called- (b)crop rotation
2. Which among the following is a kharif crop? (d)rice
3. The organic substance , obtained from dead plants , animals and their wastes is known as- (a)manure
4. The proces of separating grain from chaff is known as- (a)threshing
5. Crops , which are grown during the rainy season , are known as- (c)kharif crops

D. ANSWER THE FOLLOWING QUESTIONS IN BRIEF.

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