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SSC CGL Exam General Awareness Study Material

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Economic Scene

Q.Which of the following fuels causes minimum environmental pollution ?

a) Kerosene
b) Diesel
c) Coal
d) Hydrogen

✔Answer

✔Solution

Correct Answer Is : Hydrogen

Solution Is : Most of environmental pollution of fossil fuels such coal, oil, natural gas and gasoline to produce electricity and power. All the produce harmful or its variants. On the contrary, when hydrogen burns in air, it produces nothing but water vapour. It is there four the cleanest possible as it does not produces CO₂

Acid rain is caused the due to pollution of atmosphere by

a) Oxide of nitrogen and phosphorus
b) Oxides of carbon and nitrogen
c) Oxide of nitrogen and sulphur
d) None of there

✔Answer

✔Solution

Correct Answer Is : Oxide of nitrogen and sulphur

Solution Is : Acid rain is caused by emissions of oxides of sulphur and nitrogen , which react with the water molecules in the atmosphere to produce acids. The emissions of sulphur dioxide and nitrogen oxides result from fossil fuel combustion.

Carbon footprint can be reduced by

a) All of there
b) Recycling waste materials
c) Using energy efficient appliances
d) Commuting by public transport

✔Answer

✔Solution

Correct Answer Is : All of there

Solution Is : A carbon footprint is historically defined as the total sets of greenhouse gas emissions caused by an organization, event , product or person. The most common way to reduce the carbon footprint of humans is to reduce, reuse, recycle, refuse, recycling waste materials, using energy efficient appliances and using public transportation for commutation can all serve to reduce greenhouse gas emissions and thus reduce carbon footprint.

B-Diversity is also known as :

a) Within habitat diversity
b) Ecosystem diversity
c) Global diversity
d) Between habitat diversity

✔Answer

✔Solution

Correct Answer Is : Ecosystem diversity

Solution Is : B-Diversity is also known as Ecosystem diversity .

Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.
(A) Arsenic
(B) Sorbitol
(C)Fluoride
(D) Formaldehyde
(E) Uranium

a) B, D and E
b) A, B, C, D and E
c) A, C and E
d) A and C

✔Answer

✔Solution

Correct Answer Is : A, C and E

Solution Is : A, C and E is the correct answer

The organisation involved primarily with environmental planning is

a) CIFRI
b) ICAR
c) CSIR
d) NEERI

✔Answer

✔Solution

Correct Answer Is : NEERI

Solution Is : The organisation involved primarily with environmental planning is NEERI.

Eutrophication` is associated with

a) Nitrates and Phosphates
b) Sewage
c) Silt load
d) Vegetation

✔Answer

✔Solution

Correct Answer Is : Nitrates and Phosphates

Solution Is : Eutrophication is the growth of vegetation in water bodies due to excessive nitrates and phosphates

The best way to maintain a natural equilibrium between the pest and predator is by using

a) Insecticides
b) Biological control
c) Pesticides
d) herbicides

✔Answer

✔Solution

Correct Answer Is : Biological control

Solution Is : The best way to maintain a natural equilibrium between the pest and predator is by using biological control

Which of the following cities in India is considered the greenest ?

a) Delhi
b) Thiruvananthapuram
c) Bangalore
d) Chandigarh

✔Answer

✔Solution

Correct Answer Is : Chandigarh

Solution Is : Chandigarh is the greenest among the group

The stability of a pond ecosystem depends on

a) Micro-organisms and fishes
b) Micro-organisms and zoo planktons
c) Fishes and reptiles
d) Producers and consumers

✔Answer

✔Solution

SSC CGL Exam General Awareness Study Material

Economic Scene

Q.Which of the following fuels causes minimum environmental pollution ?

Correct Answer Is : Hydrogen

Acid rain is caused the due to pollution of atmosphere by

Correct Answer Is : Oxide of nitrogen and sulphur

Solution Is : Acid rain is caused by emissions of oxides of sulphur and nitrogen , which react with the water molecules in the atmosphere to produce acids. The emissions of sulphur dioxide and nitrogen oxides result from fossil fuel combustion.

Carbon footprint can be reduced by

Correct Answer Is : All of there

B-Diversity is also known as :

Correct Answer Is : Ecosystem diversity

Solution Is : B-Diversity is also known as Ecosystem diversity .

Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below. (A) Arsenic (B) Sorbitol (C)Fluoride (D) Formaldehyde (E) Uranium

Correct Answer Is : A, C and E

Solution Is : A, C and E is the correct answer

The organisation involved primarily with environmental planning is

Correct Answer Is : NEERI

Solution Is : The organisation involved primarily with environmental planning is NEERI.

Eutrophication` is associated with

Correct Answer Is : Nitrates and Phosphates

Solution Is : Eutrophication is the growth of vegetation in water bodies due to excessive nitrates and phosphates

The best way to maintain a natural equilibrium between the pest and predator is by using

Correct Answer Is : Biological control

Solution Is : The best way to maintain a natural equilibrium between the pest and predator is by using biological control

Which of the following cities in India is considered the greenest ?

Correct Answer Is : Chandigarh

Solution Is : Chandigarh is the greenest among the group

The stability of a pond ecosystem depends on

Correct Answer Is : Producers and consumers

Solution Is : The stability of a pond ecosystem depends on micro-organisms and zoo planktons

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Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.
(A) Arsenic
(B) Sorbitol
(C)Fluoride
(D) Formaldehyde
(E) Uranium