Q. Consider the following statements about methanogens bacteria I. Methanogen bacteria are commonly found in the anaerobic sludge formed during sewage treatment II. These bacteria are also occur in rumen of the cattle where they act upon cellulosic material to breakdown cellulose III. They play a very important role in the nutrition of cattle by digesting cellulosic material Which of the statement given above are correct?

A) I, II and III
B) I and II
C) I and III
D) II and III
Explanation

Methanogens, particularly Methanobacterium, anaerobically breakdown cellulosic material to produce $CO_{2}$ and $H_{2}$ in anaerobic sludge in sewage treatment plants and rumen of cattle, thus providing nutrition to cattle

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.