Actinomycetes are the normal microflora of–

Correct option is A

• Actinomycetes are a group of Gram-positive filamentous bacteria commonly found in soil and organic material, and they are part of the microbial flora associated with raw cereal grains and field environments where grains are harvested and stored.
• They are less frequently recovered from processed products such as flour, frozen dough, or snacks because processing reduces the diversity and number of microorganisms.