Question

Which of the following is not a biotic factor affecting foodstuffs and grains?

• A. Rodents, birds and animals
• B. Insects and micro-organisms
• C. Micro organisms like fungi, bacteria, yeast, moulds etc
• D. None of the above

Answer 1

Answer: (D)

None of the above

Biotic factors are the living components of the ecosystem which includes producers, consumers and decomposers. Producers include grasses, consumers include insects, birds, rodents etc and decomposers include micro-organisms like bacteria, yeast, fungi etc.

So, the correct option is 'None of the above'.