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
A. FILL IN THE BLANKS.
- Ploughing results in loosening and mixing of soil.
- Weeds compete with crops for nutrients.
- Rhizobium bacteria , present in the root nodules of leguminous plants , help in fixing atmospheric nitrogen.
- Harvested grains are dried to reduce moisture content.
- Removal of anthers , from the followers , is known as emasculation.
B. MATCH THE FOLLOWING.
- Sickle : (d)harvesting
- Tractor : (c)ploughing
- Seed Drill : (e)sowing
- Combine : (a)threshing
- Silo : (b)storage
C. TICK THE CORRECT OPTION.
- The practice , of growing leguminous plants between successive cereal crops , is called- (b)crop rotation
- Which among the following is a kharif crop? (d)rice
- The organic substance , obtained from dead plants , animals and their wastes is known as- (a)manure
- The proces of separating grain from chaff is known as- (a)threshing
- 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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