Question # 1

Photochemical smog is caused primarily by

Choose an answer

CO

CO2

NO2

O3

Which of the following oxide formed in appreciable quantity in the atmosphere.

Choose an answer

NO

NO2

N2O

All above

Which of the following health effect is caused by cadmium.

Choose an answer

Hypertension

Cardiovascular problem

Kidney damage

All above

Which of the following substance is colloidal in nature.

Choose an answer

Clay

Al2O3

Fe2O3

All above

Which of the following pollutant is not primary pollutant.

Choose an answer

Ash

Smoke

SO3

SO2

Which of the following chemical strong oxidizing agent is used in COD test.

Choose an answer

KMnO4

H2SO4

CH3COOH

K2Cr2O7

Which of the following cause water pollution.

Choose an answer

Smoke

Automobile exhausts

Aeroplanes

Silt and posticides

Which of the following biogeochemical cycle is not component of ecosystem.

Choose an answer

Carbon cycle

Potassium cycle

Oxygen cycle

Nitrogen cycle

A man has to think of alternate sources of energy due to

Choose an answer

Shortage of vehicles

Shortage of fossil fuels

Construction of house

Running of power plant

Which of the following reacts with hemoglobin of blood and produce toxic effect.

Choose an answer

Carbon dioxide

Carbon monoxide

Oxygen

Carbon suboxide

Which of the following phenomenon are driven by solar energy.

Choose an answer

Winds

Water cycle

Production of biomass

All above

Photochemical among is generally formed

Choose an answer

In early hours of winters

Around mid day in summer months

When intensity of solar radiation sis very low

When concentration of particulate matter is very low.

Pesticide residues appear in which of the following foods.

Choose an answer

Milk

Fruit

Fish

Vegetables

All above

Which of the following statements is not related with principal requisites of water for industrial purposes.

Choose an answer

It should be pure and cool

It should not contain iron

It contains less quantity of line

It must be soft

Which of the following is a source of energy but does not cause pollution.

Choose an answer

Gaslone

Nuclear power plant

Fossil fuels

Sun

Which of the following gas does not exist free on earth.

Choose an answer

N2

H2

O2

CH4

Carbon dioxide content in atmosphere is

Choose an answer

0.0034%

0.034 %

0.34 %

3.4 %

Which of the following responsible for depletion of ozone layer in upper strata of the atmosphere.

Choose an answer

Polyhalogens

Ferrocene

Freons

Fullerencs

Which of the following compounds has fishing ordure

Choose an answer

ammonia

Organic sulphides

Amines

H2S

Which of the following substance has been advocated as fuel of future.

Choose an answer

O2

N2

H2

H2O

Which of the following statement is not true with respect to hydrocarbons.

Choose an answer

They are gaseous and liquids

They can be saturated or unsaturated

They in air by themselves alone cause harmful effects

They form photochemical oxidants

More Classes

Other Links

PPSC Chemistry Part V Environmental Chemistry Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer