CBSE Questions for Class 8 Biology Crop Production And Management Quiz 3 - MCQExams.com

Kharif crops are grown in the month of _________________
  • March- December
  • June- September
  • October- March
  • Entire year
Which of the following are Kharif crops?
  • Paddy and maize
  • Wheat and legumes
  • Legumes and maize
  • Maize and wheat
Rabi crops are harvested in _______.
  • Spring
  • Summer
  • Winter
  • Autumn
Which of the following is the main kharif crop grown in India?
  • Cotton
  • Rice
  • Soya bean
  • Mung bean
Which of the following is the main part of plough?
  • Ploughshaft
  • Ploughshare
  • Beam
  • None of these
................. does not cause any harm to the environment.
  • Manure
  • Pollutant
  • Chemical fertilizer
  • All of the above
______ system of irrigation is more useful on uneven lands.
  • Sprinkler system
  • Rahat
  • Drip system
  • Dhekli
The supply of water to crops at different intervals is____________
  • Harvesting
  • Winnowing
  • Irrigation
  • Sprinkling
Which method of irrigation is cheaper but less efficient?
  • Traditional method
  • Modern method
  • Both A and B
  • Depends on the agricultural land
Apart from soil fertility, manure also enhances .......... of the soil. 
  • Decomposition of microorganisms
  • Roots holding capacity
  • Soil binding capacity
  • Water holding capacity
Which are the different traditional methods of irrigation?
  • Chain pump
  • Dhekli
  • Rahat
  • All of the above
Seed drill is used for sowing with the help of ________________
  • Tractors
  • Wooden log
  • Sprinkler 
  • None of these
Which among the following is the tool used for sowing seeds that is shaped like a funnel?
  • Plough
  • Hoe
  • Traditional tool
  • Seed drill
The decomposed matter is used as ___________.
  • Thrown as waste
  • Organic manure
  • Inorganic manure
  • Decomposer
Which of the following statements are correct with respect to the advantages of seed drill?
  • It avoids overcrowding that allows plants to get sufficient sunlight and nutrients.
  • It ensures that seeds get covered by the soil after sowing which prevents damage caused by birds.
  • Both A and B
  • It helps in irrigation.
Cultivators are driven by buffaloes.
  • True
  • False
Which system is a boon in regions of poor availability of water?
  • Sprinkler system
  • Rahat
  • Drip system
  • Dhekli
The growth of weeds can be controlled by
  • Manual removal
  • Irrigation
  • Herbicides
  • All of the above
................... method provides water directly to the roots without wastage.
  • Sprinkler system
  • Drip system
  • Harvesting
  • All of the above
Winnowing makes use of .................... for separation.
  • Sand
  • Wind
  • Water
  • All of the above
Small scale storage of grains is done in_______________________
  • Silos
  • Granaries
  • Buckets
  • Jute bags
Threshing is the _____________________
  • Process of removal of bran
  • Process of loosening of grain from chaff
  • Process after winnowing
  • None of these
Storage of food for longer duration should be prevented from_______________
  • Humans
  • Sand
  • Rats
  • Jute
Cultivators make use of ................ for their working.
  • Tractors
  • Pulleys
  • Generators
  • None of these
................. helps in weed control.
  • Mono cropping
  • Multi cropping
  • Both A and B
  • Crop rotation
Choose the correct options from the following.
Advantage of manure is/are
  • It is cheap.
  • It reduces soil erosion.
  • It increases soil fertility, water holding capacity and aeration.
  • All of the above.
'Moat', 'dhekli', and 'rahat' are different types of:
  • Traditional methods of cultivation
  • Traditional methods of seed sowing
  • Traditional methods of weeding
  • Traditional methods of irrigation
Growing different crops alternately on the same land is known as ____________.
  • Crop alternation
  • Crop rotation
  • Crop change
  • Multicropping
Nowadays, seeds are sown in the field using:
  • Seed tractor
  • Seed drill
  • Seed tiller
  • Seed plough
__________ contains large quantities of organic matter.
  • Manure
  • Sand
  • Rock
  • Water
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