NEET BIOLOGY

Detailed explanation-1: -Putrefying bacteria use amino acids or urea as an energy source to decompose dead organisms. In the process, they produce ammonium ions. Nitrifying bacteria then convert this ammonium into nitrate by oxidation, which can then be used by plants to create more proteins thus completing the nitrogen cycle.

Detailed explanation-2: -Putrefying bacteria decompose dead organisms and hence act as decomposers in an ecosystem.

Detailed explanation-3: -Putrefaction is the decay of organic matter by the action of microorganisms resulting in the production of a foul smell. It occurs between 10 to 20 days after the death of an organism. Putrefaction involves the decomposition of proteins, breakdown of the tissues, and liquefaction of the organs.

Detailed explanation-4: -Thus, the correct answer is ‘Proteins. ‘

Detailed explanation-5: -This is caused by the decomposition of organic matter by bacterial or fungal digestion, which causes the release of gases that infiltrate the body’s tissues, and leads to the deterioration of the tissues and organs.