Middle of Pyramid - Test # 41 -Environmental Chemistry

1.

The term biosphere is used for the zone of the earth where life exists
(1) On the lithosphere
(2) In the hydrosphere
(3) In the lithosphere and hydrosphere
(4) In the lithosphere, hydrosphere and atmosphere

2.

Biosphere is
(1) In which individual interact to each other
(2) By which life originated
(3) The name of a bird
(4) Organic compound by which life diminishes

3.

Which is not a renewable source
1. Sunlight
2. Coal
3. Water
4. Wind energy

4.

Noosphere is synonyms of
(1) Environment
(2) Atmosphere
(3) Hydrosphere
(4) Stratosphere

5.

When biosphere turns into human-dominated environment it is called
(1) Noosphere
(2) Troposphere
(3) Mesosphere
(4) Man sphere

6.

The living organisms on or around the earth constitute
(1) Biome
(2) Biosphere
(3) Community
(4) Biocoenosis

7.

Biosphere refers to
(1) Plants of the world
(2) Special plants
(3) Area occupied by living beings
(4) Plants of a particular area

8.

What is the correct sequence of atmospheric layers starting from earth
(1) Stratosphere troposphere, mesosphere, thermosphere
(2) Troposphere, stratosphere, mesosphere, thermosphere
(3) Mesosphere, troposphere, stratosphere, thermosphere
(4) Thermosphere, mesosphere, stratosphere, troposphere

9.

On earth all living organism constitute
(1) Community
(2) Biome
(3) Association
(4) Biosphere

10.

A biosphere is composed of
1. Living organisms
2. Living organisms + Lithosphere
3. Living organisms + lithosphere + atmosphere
4. Living organisms + lithosphere + atmosphere + Hydrosphere

11.

Which of the following is the non conventional source of energy
(1) Coal
(2) petroleum
(3) Electricity from nuclear power plants
(4) Solar radiations

12.

The population of India is 15% of the world but its annual energy consumption is only
(1) 0.2%
(2) 2.0%
(3) 10%
(4) 25%

13.

Petroleum resource is
(1) Renewable
(2) Non-renewable
(3) Synthetic & biodegradable
(4) Infinite & unconventional

14.

The main aim of plant conservation is -
(1) To conserve the necessary ecological activities and life-supporting systems
(2) To conserve species diversity and range of genetic material
(3) Both the above
(4) None of the above

15.

Environmental Planing organization is
1. CSIR
2. CPHERI
3. ICAR
4. NEERI

16.

Which will not cause any atmospheric pollution
1. Hydrogen
2. Sulphur dioxide
3. Carbon dioxide
4. Carbon monoxide

17.

Which of the following is the main factor of water pollution
(1) smoke
(2) Industrial waste
(3) Detergent
(4) Ammonia

18.

The main air pollutant among the following is :
1. CO
2. $C O_{2}$
3. $N_{2}$
4. Sulphur

19.

Which is more important for water pollution
(1) Sound
(2) $S O_{2}$
(3) Salts of arsenic
(4) Sewage

20.

Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicle in Delhi
(1) $S O_{2}$
(2) Hydrocarbon gases
(3) Fly ash
(4) CO

21.

Pollution can be controlled by-
1. Sewage treatment.
2. Checking atomic blasts.
3. Manufacturing electrically operated vehicles.
4. All of the above.

22.

If water pollution continues at its present rate, it will eventually :
1. Stop the water cycle.
2. Prevent precipitation.
3. Make oxygen molecules unavailable to water plants.
4. Make nitrate molecules unavailable to water plants.

23.

In cities like Bombay and Calcutta, the major air pollutants are
(1) Ozone
(2) Carbon monoxide and oxides of Sulphur
(3) Hydrocarbons and not air
(4) Algal spores and marsh gas

24.

Recent reports of acid rains industrial cities are due to the effect of atmospheric pollution by
(1) Excessive release of $N O_{2} a n d S O_{2}$ by burning of fossil fuels.
(2) Excessive release of $C O_{2}$ by burning of fuel like wood and charcoal, cutting of forests and increased animal population.
(3) Excessive release of $N H_{3}$ by industrial plants and coal gas.
(4) Excessive release of CO in atmosphere by incomplete combustion of cock, charcoal and other carbonaceous fuels in pancity of oxygen.

25.

Pollution is a change in physical, chemical or biological characters of our land and water that may be
(1) Desirable and harmful to human
(2) Desirable and useful to a human
(3) Undesirable and harmful to human
(4) undesirable and useful to a human

26.

Which is the greatest air pollutant these days
(1) Factories
(2) Motor vehicles
(3) Domestic appliances
(4) animals

27.

Removal of the soil by the action of wind and water is known as
(1) Erosion
(2) Fossilization
(3) Leaching
(4) Calcification

28.

Acid rain occurs due to atmospheric pollution of
(1) $S O_{2}$
(2) $N H_{3}$
(3) $C O_{2}$
(4) $N_{2} O$

29.

Photochemical smog was first observed in -
(1) London
(2) Los Angeles
(3) Paris
(4) Tokyo

30.

An increase in $C O_{2}$ concentration in the atmosphere will result in
(1) Adverse effects of natural vegetation
(2) Global warming
(3) Temperature decrease in a global atmosphere
(4) Genetic disorders in plants and animals

31.

Domestic waste will lead to :
1. Biodegradable pollution
2. Nondegradable pollution
3. Thermal pollution of soil
4. Air pollution

32.

The major source of BOD in the river Ganga is
(1) Leaf litter
(2) Fishes
(3) Human waste
(4) Aquatic plants

33.

If a lake is contaminated with DDT, it's highest concentration would be found in :
1. Primary consumer
2. Secondary consumer
3. Tertiary consumer
4. None of the above.

34.

The most harmful air pollutant produced by automobiles is:
1. $H N O_{2}$
2. $N O_{X}$
3. $S O_{2}$
4. CO

35.

Sewage water can be purified by
(1) Aquatic plant
(2) Microorganism
(3) Penicillin
(4) Fishes

36.

Major pollutant in Jet plane emission is -
(1) $S O_{2}$
(2) CFC
(3) CO
(4) $C C l_{4}$

37.

B.O.D is-

1.	The amount of O₂ utilized by organisms in the water.
2.	The amount of O₂ utilized by microorganisms for decomposition.
3.	The total amount of O₂ present in water.
4.	All of the above

38.

What is the intensity of sound in normal conversation
1. 10 -20 decibal
2. 30 - 60 decibal
3. 70 - 90 decibal
4. 120 - 150 decibal

39.

Which of the following is absent in polluted water
1. Hydrilla
2. Water hyacinth
3. Larva of stone fly
4. Blue green algae

40.

Maximum green house gas released by which country
(1) India
(2) China
(3) U.S.A
(4) Britain

41.

The ozone layer of the upper atmosphere is being destroyed by :
1. Sulphur dioxide
2. Carbon dioxide
3. Chlorofluorocarbon
4. Smog

42.

Most hazardous metal pollutant of automobile exhaust is
(1) Hg
(2) Cd
(3) Pb
(4) Cu

43.

$S O_{2}$ pollution is indicated by
1. Grasses
2. Mosses
3. Lichens
4. Fossils

44.

B.O.D is connected with
(1) Organic matter
(2) Microbes
(3) Both
(4) None

45.

Acid rain is due to an increase in the atmospheric concentration of :
1. Ozone, and dust
2. $C O_{2,}$ and CO
3. $S O_{3,}$ and CO
4 $S O_{2,}$ and $N O_{2}$

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