Environmental Biotechnology MCQs

Question 1

Water contaminated with either domestic or industrial wastes is called

Accepted Answer

Non-potable water

Answer

Distilled water

Answer

Sewage water

Answer

Potable water

Question 2

Bulking of sewage sludge is frequently associated with

Accepted Answer

High C : P ratio

Answer

High C : N ration

Answer

High dissolved oxygen

Answer

All of the above

Question 3

One of the following is not an In situ conservation for biological resources

Accepted Answer

Breeding under confirmed areas

Answer

Biosphere reserve

Answer

National parks

Answer

Protected areas

Question 4

OCT plasmid is responsible for degradation of

Accepted Answer

n-alkanes

Answer

Phenols

Answer

Herbicides

Answer

Dioxins

Question 5

The planet nearest to the Sun is

Accepted Answer

Mercury

Answer

Earth

Answer

Moon

Answer

Jupiter

Question 6

PM2.5 refers to

Accepted Answer

Number of particles of size less than 2.5 μrn

Answer

Mass of particles of size less than 2.5 μrn

Answer

Mass of particles of size greater than 2.5 μrn

Answer

Number of particles of size greater than 2.5 μrn

Question 7

A majority of the antibiotics are derived from actinomycetes which come from members of the genus

Accepted Answer

Actinomyces

Answer

Nocardia

Answer

Streptomyces

Answer

Micromonospora

Question 8

A biogeochemical cycle is the

Accepted Answer

Cycling of elements through the biotic and abiotic sphere

Answer

Cycling of energy through the biosphere

Answer

A part of pollution meat must plats

Answer

Global meteorological cycles

Question 9

Species diversity is generally higher in ecosystem experiencing

Accepted Answer

Drastic disturbance

Answer

No disturbance

Answer

Moderate disturbance

Answer

High disturbance