Environmental Biotechnology MCQs

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Practice free Environmental Biotechnology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 95 questions — no login required.

Question 1medium
Ozone depletion is caused by the increase in the level of
Question 2medium
Which of the following is a beneficial activity of microorganisms?
Question 3medium
Which of the following parameters indicates the organic pollution of a water sample?
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Question 4hard
The chemical system for removal of the ions of level of salt is called
Question 5hard
The atmosphere is divided in four layers. The layer in contact with the surface of earth called
Question 6medium
Which of the following layers of earth have the composition of peridotite?
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Question 7hard
The flow in natural streams is almost always turbulent and may be assumed to be incompressible, consequently the applicable equations of motion for the fluid are the
Question 8medium
The antifreeze molecules that prevent intracellular ice formation in marine organisms are generally
Question 9easy
Chlorination is process of