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Crop Production and Management Class 8 Extra Questions Science Chapter 1
October 11, 2019 by Sastry CBSE
Crop Production and Management Class 8 Extra Questions Science Chapter 1
Crop Production and Management Class 8 Extra Questions Very Short Answer Questions
Question 1.
What is the name of the undesirable plants that grow among the crops?
Answer:
Weeds
Question 2.
Name one weed.
Answer:
Wild oat
Question 3.
Name the methods applied for weeding.
Answer:
Manual method
Chemical method
Biological method
Question 4.
Name the chemicals that are used to remove weeds.
Answer:
Weedicides
Question 5.
Name a tool which is used for removing weeds and for loosening soil.
Answer:
Hoe
Question 6.
What is the process of loosening and turning of the soil called?
Answer:
Tilling or ploughing
Question 7.
What are the substances which are added to the soil in the form of nutrients called?
Answer:
Manure and fertilisers
Question 8.
What is the process of supplying water to crops at different intervals is called?
Answer:
Irrigation
Question 9.
What are the sources of irrigation?
Answer:
Wells, tubewells, ponds, lakes, etc.
Question 10.
What is the process of separation of grain from chaff called?
Answer:
Winnowing
Question 11.
Name two crops belonging to rabi crop.
Answer:
Pea, gram
Question 12.
Name the ideal months for the harvesting of rabi crops.
Answer:
March/April
Question 13.
Name two kharif crops.
Answer:
Soybean, groundnut
Question 14.
Name the ideal months for sowing kharif crops.
Answer:
June/July
Question 15.
Name any two fertilisers.
Answer:
NPK, Diammonium phosphate