A crop needs to be protected from rodents like rats, fungi and bacteria. They affect the stored grains and are called the _________factors.
A
biotic
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B
abiotic
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C
physical
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D
chemical
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Solution
The correct option is A biotic Rodents like rats, squirrels, insects, fungi, bacteria etc are the biotic factors which affect the crop plants. They are collectively known as store grain pests.