List of top Environmental Microbiology Questions asked in GATE ES

In the context of biological wastewater treatment, which of the following pairs CORRECTLY match the electron donor/acceptor with the corresponding biological process?
Malaria is caused by pathogenic ______.
The major class of enzymes catalyzing the cleavage of \(C-C\), \(C-O\), \(C-N\), or other bonds by elimination, leaving double bonds or rings, or addition of groups to double bonds in any biochemical reactions is ______.

In a batch culture experiment, 2 cells of a microorganism were added to a growth medium. During the experiment, a lag phase of 1 hour was first experienced by the added cells, in which no cell multiplication occurred. Afterwards, cells started multiplying exponentially with a doubling time of 1 hour.

After total 8 hours of experiment, the number of cells present in the growth medium was ______ (answer in integer).

The microorganism mainly responsible for nitrification in soil is: