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Class 8
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Study how Insect pests spoil Food Grains
Study how Insect pests spoil Food Grains
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1)
The deterioration or damage of grain is commonly known as
Grain drying
Grain spoilage
Grain harvest
Grain transportation
2)
Neem leaves are generally used for
Long-time storage of grains in home
Avoiding bad smell in the stored grains
Observing water drops in grains
Giving some bitter taste to the grains
3)
What are silos and granaries?
Large scale godowns for storage of grains
Wayside storage bins
Metallic bins for storage
Use of neem leaves to protect grains
4)
In the case of losses of quality, the losses occurs mainly
Change in smell and colour
Change in colour
Change in climate
Change in smell
5)
The grains are properly dried in the sun light to prevent
Spoilage by insect pests and organisms
Spoilage by air
Spoilage by water
Spoilage by bags
6)
Which is a primary store grain pest?
Rice moth
Rice weevil
Red flour beetle
None of these
7)
Another name of Wheat weevil is
Rice weevil
Rice moth
Granary weevil
Khapra beetle
8)
Grain loss is a measurable decrease in total grain yield that can affect both
Quality and quantity
Smell and colour
Nutrients and size
Size and colour
9)
Post-harvest spoilage may occur
During storage
During harvesting
All of these
During transportation
10)
Weevils play the key role in
Drying
Spoilage
Storage
Transportation