Your cart is empty.
Practice each question, then open the answer or worked solution.
What is the source organism for ECORI, restriction endonuclease?
Ans: ECORI's source organism is Escherichia coli restriction endonucleases (e.g., E.Coli). It's a rod-shaped, gram-negative bacterium found in the intestines of warm-blooded mammals.
Name any genetically modified crop.
Ans: Bt cotton is a genetically modified (GM) crop that produces an insecticide that makes the plant resistant to bollworm.
Why are blue-green algae not popular as biofertilizers?
Ans: Blue-green algae are not widely used as biofertilizers because they create a slippery mucus and induce an algal bloom.
Which species of Penicillium produces Roquefort cheese?
Ans: The species of Penicillium that produces Roquefort cheese is Penicillium roqueforti.
Name the states involved in the Ganga action plan.
Ans: The states which are involved in the Ganga action plan are Jharkhand, UP, Bihar, West Bengal.
Name any two industrially important enzymes.
Ans: The two industrially important enzymes are-
i) Lipase: It is used for the removal of oily stains from clothes and it is used widely in detergents.
ii) Amylase: It is used in the food and fermentation industry.
Name an immune immunosuppressive agent?
Ans: Cyclosporin A is an immune-suppressive agent produced by the Trichodermapolysporum fungus.
Give an example of a rod-shaped virus.
Ans: An example of the rod-shaped virus is the Tobacco Mosaic virus which causes a disease known as a mosaic disease in tobacco leaves
What is the group of bacteria found in both the rumen of cattle and the stage of sewage treatment?
Ans: Methanogens are the group of bacteria found in both the rumen of cattle and sludge of sewage treatment. Methanogens release methane gas.
Name a microbe used for the production of Swiss cheese.
Ans: A microbe that is used for the production of Swiss cheese is Penicillium sherman which consumes the lactose protein in the cheese to form lactic acid