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CIA Test Environmental Studies Class: B. Com II and BBA II Sem

Total questions: 45

Worksheet time: 26mins

Name
Class
Date
1.

Biomedical wastes are generated from

a)

Hospitals

b)

Chemical Industries

c)

Dyeing Units

d)

Atomic Power plants

2.

Vermiculture involves the use of ..............................for farming.

a)

Microorganisms

b)

Earthworms

c)

Fertilizers

d)

Pesticides

3.

Acid rain is caused by increase in the atmosphere concentration of

a)

O3 and CO

b)

SO2 and NO2

c)

SO3 and CO

d)

CO2 and CO

4.

U.N. Conference on Human and Environment is Stockholm was held in the year

a)

1947

b)

1972

c)

1969

d)

1959

5.

Abiotic environment includes

a)

Plants, animals and microbes

b)

Light temperature and water

c)

Human being, insects and birds

d)

Algae, Fungi and Bacteria

6.

All the living organisms of the earth constitute

a)

Biosphere

b)

Biome

c)

Community

d)

Biology

7.

The chief goal of environmantal education is

a)

To improve the quality of environment

b)

To create an awareness among people on environmental protection

c)

To develop the capabilities of decision making related to enironmental issues

d)

To fight against the corruption

8.

Chlorofluorocarbons are used in

a)

Automobiles

b)

Refrigerators as coolants

c)

Paints

d)

Nuclear reactors as coolants

9.

Photochemical Smog is a combination of

a)

Smoke and Water vapour

b)

Nitrogen oxide and Hydrocarbons of automobile exhaust reacts in the presence of Sunlight

c)

Gases with water vapour and dust in the presence of Sunlight

d)

Water vapour and oil droplets in the presence of sunlight

10.

PAN,་O3 etc. are considered to be

a)

Primary pollutant

b)

Secondary pollutant

c)

Degradable pollutant

d)

Insignificant pollutant

11.

.........................is used as a source of energy in nuclear power station.

a)

Cadmium

b)

Uranium

c)

Iron

d)

Carbon

12.

The most important indoor Air Pollutant is

a)

SO2

b)

CO2

c)

NO2

d)

H2O

13.

TVs, DVDs, Desktops, Laptops etc. generate

a)

Combustible waste

b)

E-waste

c)

Organic waste

d)

Nuclear waste

14.

Taj Mahal at Agra may be damaged by

a)

Oxygen

b)

Hydrogen

c)

Natural rain

d)

Acid rain

15.

Unit of noise is

a)

Watts

b)

Decibel

c)

Calories

d)

Ohms

16.

Weathering is a process of

a)

Mineral formation

b)

Rock formation

c)

Soil formation

d)

Crystal formation

17.

Drought means

a)

Scarcity of land

b)

Scarcity of water

c)

Scarcity of food

d)

None of the above

18.

Autotrophs are capable of

a)

Decomposing food

b)

Synthesizing their own food

c)

Collecting the food

d)

Eating the food

19.

The pattern of eating and being eaten is known as

a)

Food web

b)

Energy flow

c)

Food chain

d)

Ecological pyramid

20.

Decomposers are ...........................organisms.

a)

Autotrophic

b)

Chemotrophic

c)

Photosynthetic

d)

Heterotrophic

21.

The pyramid of number in a forest ecosystem is

a)

Inverted

b)

Erect

c)

Linear

d)

Rhomboidal

22.

LPG is

a)

Liquefied petroleum gas

b)

Liquefied pump gas

c)

Liquefied petrol gas

d)

Liquefied pyrol gas

23.

The two major types of natural ecosystems are........................

a)

Terrestrial and artificial

b)

Terrestrial and aquatic

c)

Terrestrial and urban

d)

Terrestrial and rural

24.

One of the following is not an example of grazing food chain.

a)

Green plants → Grasshopper → Lizard → Hawk

b)

Zooplankton → small fishes → large fishes → whale

c)

Seeds → rodents → snakes → Hawk

d)

Grass → deer → tiger

25.

Organic waste is a ................waste.

a)

Non-combustible

b)

Biodegradable

c)

Non-biodegradable

d)

Radioactive

26.

Which one of the following is not a layer in atmosphere?

a)

Mesosphere

b)

Stratosphere

c)

Hydrosphere

d)

Troposphere

27.

Air pollution leads to

a)

Gastro intestinal disease

b)

Respiratory diseases

c)

Communicable disease

d)

Sexually transmitted diseases

28.

Which of the following series is true about energy flow in an ecosystem?

a)

Producers → Decomposers →Consumers

b)

Decomposers → Consumers → Producers

c)

Producers → Consumers → Decomposers

d)

Consumers → Producers → Decomposers

29.

The Environment includes

a)

Abiotic factors

b)

Biotic factors

c)

Oxygen and Carbon dioxide

d)

Abiotic and Biotic factors

30.

'Green House Effect' means

a)

Cultivation of crops in green house to convert heat

b)

Trapping of solar energy due to green house gases

c)

Trapping of solar energy by earth's upper surface

d)

Increase of heat due to atmospheric pollution

31.

What does 'Ozone Layer' absorb?

a)

Infrared rays

b)

X-rays

c)

g-rays

d)

Ultraviolet rays

32.

Which of the following is biodegradable?

a)

Vegetable peels

b)

D.D.T

c)

Plastic

d)

Aluminium

33.

Which of the following does not cause pollution?

a)

Burning of petrol

b)

Use of solar energy

c)

Burning of rubber

d)

All of the above

34.

During photosynthesis the liberated gas is:

a)

Hydrogen

b)

Nitrogen

c)

Oxygen

d)

Carbon dioxide

35.

During Photosynthesis the absorbed gas is:

a)

Hydrogen

b)

Nitrogen

c)

Oxygen

d)

Carbon dioxide

36.

The phenomenon of accumulation of non-biodegradable pesticides in human beings

a)

Biomagnification

b)

Bioaccumulation

c)

Biodegradation

d)

Bioremediation

37.

The main energy source for the environment is ................

a)

Chemical energy

b)

Bioelectric energy

c)

Solar Energy

d)

Electrical Energy

38.

The study of food chains and food webs are observed in the phenomenon known as

a)

Biological chain

b)

Ecosystem

c)

Biological magnification

d)

Energy flow

39.

Total amount of living organism at the various trophic levels of a food chain is depicted by pyramids of

a)

Energy flow

b)

Biomass

c)

number

d)

all of the above

40.

One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as:

a)

N2O and CO2

b)

CFCs and N2O

c)

Methane and CO2

d)

Methane and CFCs

e)

CFCs and CO2

41.

Which of the following is not a primary pollutant?

a)

Particulate matter

b)

Sulphuric acid

c)

Carbon monoxide

d)

Nitrogen oxide

42.

What is the term used to express a community in its final stage of succession?

a)

End community

b)

Final community

c)

Climax community

d)

Dark community

43.

The above ecological succession is an example of

a)

Primary succession

b)

Secondary succession

c)

cyclic succession

d)

None of the above

44.

Above ecological succession is an example of

a)

Primary succession

b)

Secondary succession

c)

Cyclic succession

d)

None of the above

45.

Above ecological pyramid is an example of

a)

pyramid of number

b)

pyramid of biomass

c)

pyramid of energy flow

d)

None of the above

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