Question

Question 2
What factors may be responsible for losses of grains during storage?

Answer 1

Factors causing loss of grains during storage are biotic and abiotic factors.
The living things in an ecosystem are called biotic factors. The non-living parts of an ecosystem are called abiotic factors.

Biotic Factors responsible for losses of grains during storage are insects, rodents, fungi, bacteria etc.
Abiotic Factors responsible for losses of grains during storage moisture content, temperature etc.