NEET Previous Year Question
Select the correct statement from the following :
Topic: NEET PYQ
Answer: A. Full step-by-step solution below.
- AActivated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria
- BBiogas is produced by the activity of aerobic bacteria on animal waste
- CMethanobacterium is an aerobic bacterium found in rumen of cattle
- DBiogas commonly called gobar gas, is pure methane
Correct answer: A
Solution
(a) Activated sludge formed in aeration tanks contains abundant aerobic microbes used in sewage treatment. The other statements are incorrect because biogas is produced anaerobically and is not pure methane.More Ecosystem PYQs
- Which of the following would appear as the pioneer organisms on bare rocks?
- Eutrophication of water bodies leading to killing of fishes is mainly due to nonavailability of :
- The organization which publishes the Red List of species is :-
- To protect and improve the quality of environment, the Government of India passed the Environment (Protection) Act in the year:
- Air (Prevention and Control of Pollution) Act was amended in 1987 to include among pollutants