Extra 40 MCQs on the chapter:1 Crop Production and Management for Class 8 Science (CBSE) along with their answers:-
Which of the following is a
rabi
crop?
a) Wheat
b) Rice
c) Maize
d) Bajra
Answer:
a) Wheat
Which of the following is a kharif crop?
a) Gram
b) Pea
c) Maize
d) Mustard
Answer:
c) Maize
The practice of growing two or more crops in the same field in a specific pattern is called:
a) Crop rotation
b) Mixed cropping
c) Intercropping
d) Monoculture
Answer:
c) Intercropping
Which of the following is NOT a method of irrigation?
a) Sprinkler system
b) Drip irrigation
c) Crop rotation
d) Furrow irrigation
Answer:
c) Crop rotation
Which of the following is an example of a leguminous plant?
a) Wheat
b) Pea
c) Maize
d) Paddy
Answer:
b) Pea
The process of loosening and turning the soil is called:
a) Ploughing
b) Weeding
c) Irrigation
d) Harvesting
Answer:
a) Ploughing
The tool used for sowing seeds traditionally is called:
a) Seed drill
b) Hoe
c) Plough
d) Cultivator
Answer:
a) Seed drill
Which of the following is NOT a natural method of irrigation?
a) Rainwater
b) Well irrigation
c) Drip irrigation
d) Sprinkler irrigation
Answer:
c) Drip irrigation
Which of the following is a method of removing weeds?
a) Spraying herbicides
b) Cutting plants
c) Applying pesticides
d) Irrigation
Answer:
a) Spraying herbicides
Which of the following is NOT a type of manure?
a) Compost
b) Vermicompost
c) Green manure
d) Urea
Answer:
d) Urea
The process of supplying water to crops at regular intervals is called:
a) Irrigation
b) Harvesting
c) Weeding
d) Storage
Answer:
a) Irrigation
Which of the following is a modern irrigation method?
a) Tube well
b) Drip irrigation
c) Canal irrigation
d) River irrigation
Answer:
b) Drip irrigation
Which of the following is NOT a type of agricultural practice?
a) Sowing
b) Weeding
c) Broadcasting
d) Fermentation
Answer:
d) Fermentation
Farmers prefer organic manure over chemical fertilizers because:
a) It increases soil fertility
b) It is easy to transport
c) It is made from chemicals
d) It does not contain any nutrients
Answer:
a) It increases soil fertility
Which of the following is a traditional tool for ploughing?
a) Tractor
b) Seed drill
c) Hoe
d) Sprinkler
Answer:
c) Hoe
Which part of the plant is removed during weeding?
a) Fruits
b) Stems
c) Flowers
d) Unwanted plants
Answer:
d) Unwanted plants
When is the best time for weeding?
a) Before seed germination
b) After flowering
c) Before harvesting
d) Before flowering
Answer:
d) Before flowering
Threshing is done to:
a) Remove weeds
b) Remove grains from stalks
c) Store grains
d) Loosen soil
Answer:
b) Remove grains from stalks
The process of separating grains from the chaff using wind is called:
a) Winnowing
b) Threshing
c) Weeding
d) Ploughing
Answer:
a) Winnowing
Which of the following is a factor affecting crop production?
a) Rainfall
b) Soil fertility
c) Climate
d) All of the above
Answer:
d) All of the above
Which of the following is a chemical used to control weeds?
a) Pesticide
b) Insecticide
c) Herbicide
d) Fertilizer
Answer:
c) Herbicide
Pesticides are used to:
a) Improve soil fertility
b) Kill harmful insects
c) Remove weeds
d) Harvest crops
Answer:
b) Kill harmful insects
Which of the following is a benefit of crop rotation?
a) Increases soil fertility
b) Increases irrigation
c) Reduces water requirement
d) Increases weeding
Answer:
a) Increases soil fertility
What is the major cause of spoilage of stored grains?
a) Birds
b) Pests
c) Water
d) Sunlight
Answer:
b) Pests
The cutting and gathering of crops after maturity is called:
a) Irrigation
b) Harvesting
c) Weeding
d) Sowing
Answer:
b) Harvesting
What is the primary purpose of winnowing?
a) Removing stones
b) Separating grains from husk
c) Loosening soil
d) Removing insects
Answer:
b) Separating grains from husk
The traditional method of irrigation in which water is supplied through channels is called:
a) Drip irrigation
b) Furrow irrigation
c) Sprinkler irrigation
d) Tube well irrigation
Answer:
b) Furrow irrigation
Which of the following is a problem faced by farmers?
a) Pest attack
b) Lack of irrigation
c) Poor soil fertility
d) All of the above
Answer:
d) All of the above
Farmers use a
seed drill
for:
a) Sowing seeds at equal distances
b) Irrigation
c) Harvesting
d) Weeding
Answer:
a) Sowing seeds at equal distances
Which process prevents damage to stored grains?
a) Drying
b) Storing in airtight containers
c) Using pesticides
d) All of the above
Answer:
d) All of the above
Which process removes moisture from grains before storage?
a) Winnowing
b) Drying
c) Threshing
d) Ploughing
Answer:
b) Drying
A machine used for both harvesting and threshing is called:
a) Combine
b) Harrow
c) Sprinkler
d) Seed drill
Answer:
a) Combine
Excessive use of chemical fertilizers leads to:
a) Increase in soil fertility
b) Soil pollution
c) Higher crop yield
d) Improved water retention
Answer:
b) Soil pollution
Which irrigation method is best suited for small farms?
a) Drip irrigation
b) Sprinkler irrigation
c) Tube well irrigation
d) Canal irrigation
Answer:
b) Sprinkler irrigation
Which factor is most important for the growth of plants?
a) Soil fertility
b) Type of land
c) Presence of weeds
d) None of these
Answer:
a) Soil fertility
Compost is made from:
a) Chemical waste
b) Decomposed organic matter
c) Plastic waste
d) None of these
Answer:
b) Decomposed organic matter
Why do farmers use manure in the fields?
a) To kill pests
b) To increase soil fertility
c) To reduce irrigation needs
d) To remove weeds
Answer:
b) To increase soil fertility
What is the main disadvantage of excessive irrigation?
a) Improved soil health
b) Waterlogging
c) Higher crop yield
d) Increased seed germination
Answer:
b) Waterlogging
What is used for large-scale storage of grains?
a) Silos
b) Open fields
c) Plastic bags
d) Wooden boxes
Answer:
a) Silos
The process of loosening the soil helps in:
a) Air circulation
b) Pest control
c) Reducing plant growth
d) Drying of crops
Answer:
a) Air circulation
