Which bacteria is present in caecum of ruminants?

Explanation:

Many bacteria are present in the caecum of cow, which help in the digestion of a nutrient called cellulose which is contained by plants. Others include Megasphaera, Fibrobacter, Streptococcus, Escherichia, Chytridiomycetes fungi, and methanogens. It is predicted that 70% of microbes in the rumen have yet to be identified. The proportions of microbes present vary greatly depending upon the diet of the ruminant

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

the answer to your question is b