MICROBIAL RECOMBINATION AND GENE TRANSFER QUIZ

In water chemical treatment plant, use of chloramines ensures

Taste & odour control

Weed control in reservoirs

Disinfection

Removal of permanent hardness

TRUE ANSWER : ?
YOUR ANSWER : ?

Radioactive solid nuclear wastes are disposed off by

Underground burial in concrete containers

High temperature incineration

Pathological incineration

Pyrolysis

TRUE ANSWER : ?
YOUR ANSWER : ?

White smoke coming out of the chimney of a furnace indicates the use of

Low excess air

Liquid fuel in the furnace

Very high excess air

Gaseous fuel in the furnace

TRUE ANSWER : ?
YOUR ANSWER : ?

Inhalation of silica dust by human being causes

Tuberculosis

Shortness of breath

Both B & C

Asphyxiation

TRUE ANSWER : ?
YOUR ANSWER : ?

Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools).

15-20

25-30

43832

43961

TRUE ANSWER : ?
YOUR ANSWER : ?

Algae growth in water is controlled by

Deoxidation

Bleaching

Chlorination

Aeration

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following, TLV of __________ is maximum (about 500 ppm).

Acetaldehyde

Toluene

Carbon dioxide

Carbon disulphide

TRUE ANSWER : ?
YOUR ANSWER : ?

The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).

750

1500

20

230

TRUE ANSWER : ?
YOUR ANSWER : ?

Peroxyacyl nitrate (PAN), a pollutant is found in the

Flue gas of coal based power plant

Automobile exhaust

Exhaust of nitric acid plant

Exhaust of sulphuric acid plant

TRUE ANSWER : ?
YOUR ANSWER : ?

Threshold limit value (TLV) of CO in air is __________ ppm.

5

5000

50

2000

TRUE ANSWER : ?
YOUR ANSWER : ?

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