Q. Some microorganisms have the ability to increase the nitrogen content of soils, are called as

View solution

Q. Nitrogen fixation

View solution

Q. For rapid decomposition by microbes, the substrate should have a C/N ratio of

View solution

Q. Which are the main source of biofertilisers?

View solution

Q. The organisms responsible for the characteristic musty or earth odor of a freshly plowed field is/are

View solution

Q. Denitrification is

View solution

Q. Degree of compost maturity can be assesed by

View solution

Q. The energy value of biogas is typically

View solution

Q. The microbial ecosystem of soil includes

View solution

Q. Denitrification is carried out

View solution

Q. Which of the following soil microorganism is involved in the reduction of sulfates to H2S?

View solution

Q. The diagnostic enzyme for nitrogen-fixing organisms is

View solution

Q. Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients?

View solution

Q. Syntrophism involves

View solution

Q. Assimilative denitrification is done by

View solution

Q. The chief spoilage organisms on smoked fish are

View solution

Q. A musty or muddy odor of the fish is attributed to

View solution

Q. In chilled shrimp __________ is chiefly responsible for spoilage.

View solution

Q. Marinated (sour pickled) fish should not have spoilage problems unless

View solution

Q. The predominant kind of bacteria causing spoilage in fish at chilling temperature is

View solution