Question

define biotic factor . name a few biotic factors which damage the food material during storage.

Answer 1

biotic factors are the microorganisms which are present in environment and are living .
some of them which damages food material are 1. Rodents, birds and animals.

2. Insects and micro-organisms.Micro organisms like fungi, bacteria, yeast, moulds etc. greatly damage the stored food.

3. Enzymes. Enzymes are biocatalysts. They are found in living cells. They spoil vegetable, fruits, meat, fish etc. When stored for an appreciable period. Moreover enzymes over-ripen the food which results in their spoilage.




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