Our Environment And Its Management Test

Question 1
1 / -0

Various trophic levels of an ecological pyramid given below have been indicated as T1, T2, T3 and T4. In which trophic level will the maximum energy be available?

A
T4

B
T3

C
T2

D
T1

Question 2
1 / -0

The biological treatment of waste water makes use of

A
aerobic bacteria and fungi

B
anaerobic bacteria and algae

C
aerobic and anaerobic bacteria

D
anaerobic bacteria and eucalyptus leaves

Question 3
1 / -0

Biolouminescence is a feature exhibited by animals of

A
abyssal zone

B
euphotic zone

C
bathyal zone

D
mesopelagic zone

Question 4
1 / -0

Which of the following pairs is mismatched?

A
Fossil fuel burning - Release of carbon dioxide

B
Nuclear power plant - Radioactive waste

C
Aeroplanes - Aerosols

D
Solar energy - Greenhouse effect

Question 5
1 / -0

During a presentation, Priya stated the following points.

(i) Decomposition of biodegradable wastes leads to foul smell.
(ii) Dumping of industrial wastes reduces the fertility of soil and leads to reduction in crop yields.
(iii) Breeding of flies in huge quantity carries germs and spreads diseases.
(iv) Dumping of waste into water bodiesleads to water pollution and is responsible for spreading of various water-borne diseases.

After her presentation, one of the students objected the correctness of the points stated by her followed by which, the teacher asked the topper of the class to comment.
According to you, which of the following statements is/are correct?

A
Statement (i) is incorrect, but (ii), (iii) and (iv) are correct.

B
Statement (ii) is incorrect, but (i), (iii) and (iv) are correct.

C
Statement (iii) is incorrect, but (i), (ii) and (iv) are correct.

D
Statements (i), (ii), (iii) and (iv) are correct.

Question 6
1 / -0

What is the name of the agreement made between countries to freeze CFC production?

A
Environmental Protection Act

B
Rio Faith Summit

C
United Nations Environment Programme

D
Montreal Protocol

Question 7
1 / -0

Which statement is not true with respect to the ecological pyramid?

A
Loss of individuals at each trophic level

B
Loss of energy at each trophic level

C
Loss of biomass at each trophic level

D
Loss of weight at each trophic level

Question 8
1 / -0

Directions For Questions

During a short term training programme on sustainable agriculture, an expert agriculturist guided the farmers not to use pesticides like DDT while showing the following sign.

...view full instructions

Which of the following is the correct reason for the above advice of the agriculturist?

A
DDT is not much effective against insects.

B
DDT is very expensive and difficult to apply.

C
DDT is a pesticide with a very bad odour.

D
DDT is a toxic pesticide.

Question 9
1 / -0

The excessive richness of nutrients in a lake or some other body of water, frequently due to run-off from the land, is called

A
eutrophication

B
biological magnification

C
nitrification

D
hypoxia

Question 10
1 / -0

Prolonged exposure to the fumes released by incomplete combustion of coal may cause death of a human because of

A
inhalation of unburnt carbon particles

B
continuous exposure to high temperature

C
increased level of carbon monoxide

D
increased level of carbon dioxide

Question 11
1 / -0

Which of the following statements are true with respect to concept of biodiversity?

(a) Biodiversity refers to different species of flora and fauna present in an area.
(b) Biodiversity refers only to the flora of the given area.
(c) Biodiversity is greater in forests.
(d) Biodiversity is the total number of individuals of a species in a given area.

A
a and b

B
b and d

C
a and c

D
b and c

Question 12
1 / -0

Abundance of coliform bacteria from a water body is indicative of pollution from

A
petroleum refinery

B
metal smelter

C
fertiliser factory

D
domestic sewage

Question 13
1 / -0

Amrita Devi Bishnoi of Rajasthan is related to

A
plant conservation

B
education

C
sports

D
politics

Question 14
1 / -0

Maintaining ecological balances in future will mainly depend upon

A
nature's own process of changes and interaction

B
adaptation of all living species to changes in climate

C
man's caution and ability to allow nature's own balance to continue

D
man's ability to maintain and develop species according to his needs

Question 15
1 / -0

Which of the following statements about water stored in the ground is not correct?

A
It does not evaporate.

B
It spreads out to recharge wells.

C
It provides moisture for vegetation.

D
It provides breeding ground for mosquitoes.

Question 16
1 / -0

Which of the following consequences is not associated with the building of large dams?

A
It displaces tribal people and peasants.

B
It contributes to deforestation.

C
It contributes to loss of biodiversity.

D
It contributes to depletion of the ozone layer.

Question 17
1 / -0

Which of the following statements is not associated with watershed management?

A
It increases the income of watershed community.

B
It mitigates droughts.

C
It mitigates floods.

D
It decreases the life of downstream dams and reservoirs.

Question 18
1 / -0

Bishnoi community belongs to

A
Himachal Pradesh

B
Assam

C
Rajasthan

D
Chhattisgarh

Question 19
1 / -0

Which of the following is not associated with the management of natural resources?

A
Short-term perspective

B
Equitable distribution

C
Plan for safe disposal of wastes

D
Taking care of the environment

Question 20
1 / -0

What was the objective of the Ganga Action Plan, 1985?

A
To take care of the poor water quality of the Ganga

B
To measure the distance travelled by the Ganga

C
To measure the depth of the Ganga

D
To take care of the flood situation during 1985

Submit Test

Our Environment...

Question 1

T4

T3

T2

T1

Question 2

aerobic bacteria and fungi

anaerobic bacteria and algae

aerobic and anaerobic bacteria

anaerobic bacteria and eucalyptus leaves

Question 3

abyssal zone

euphotic zone

bathyal zone

mesopelagic zone

Question 4

Fossil fuel burning - Release of carbon dioxide

Nuclear power plant - Radioactive waste

Aeroplanes - Aerosols

Solar energy - Greenhouse effect

Question 5

Statement (i) is incorrect, but (ii), (iii) and (iv) are correct.

Statement (ii) is incorrect, but (i), (iii) and (iv) are correct.

Statement (iii) is incorrect, but (i), (ii) and (iv) are correct.

Statements (i), (ii), (iii) and (iv) are correct.

Question 6

Environmental Protection Act

Rio Faith Summit

United Nations Environment Programme

Montreal Protocol

Question 7

Loss of individuals at each trophic level

Loss of energy at each trophic level

Loss of biomass at each trophic level

Loss of weight at each trophic level

Question 8

DDT is not much effective against insects.

DDT is very expensive and difficult to apply.

DDT is a pesticide with a very bad odour.

DDT is a toxic pesticide.

Question 9

eutrophication

biological magnification

nitrification

hypoxia

Question 10

inhalation of unburnt carbon particles

continuous exposure to high temperature

increased level of carbon monoxide

increased level of carbon dioxide

Question 11

a and b

b and d

a and c

b and c

Question 12

petroleum refinery

metal smelter

fertiliser factory

domestic sewage

Question 13

plant conservation

education

sports

politics

Question 14

nature's own process of changes and interaction

adaptation of all living species to changes in climate

man's caution and ability to allow nature's own balance to continue

man's ability to maintain and develop species according to his needs

Question 15

It does not evaporate.

It spreads out to recharge wells.

It provides moisture for vegetation.

It provides breeding ground for mosquitoes.

Question 16

It displaces tribal people and peasants.

It contributes to deforestation.

It contributes to loss of biodiversity.