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question_answer1)
Coal, natural gas, petrol and diesel are source of ______.
A)
Agrochemicals done
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B)
Petrochemicals done
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C)
Both (a) and (b) done
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D)
None of these done
clear
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question_answer2)
Which of the following statements is correct?
A)
Too much hunting increases the number of animals in forests. done
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B)
Using sewers and treatment plants to remove human waste help in reducing pollution. done
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C)
Carbon black in some aerosols increases the amount of heat reflected back by the earth. done
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D)
Burning coal, petroleum and natural gas releases nitrogen, carbon dioxide and oxygen that trap heat in the earth. done
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question_answer3)
Raju, a farmer gets his field checked for soil toxicity. The report shows high level of toxic chemicals in his field. How can these toxic chemicals in the soil harm?
A)
They change the climate of the area. done
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B)
They are absorbed by food plants grown in the soil making them unfit for consumption. done
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C)
They purify groundwater. done
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D)
They get evaporated in the air causing air pollution. done
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question_answer4)
Saving electricity is the need of the hour. We can save electricity by
A)
Turning on heater during winter to make room warm. done
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B)
Playing loud music for three hours daily. done
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C)
Using LED bulbs. done
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D)
Leaving the lights and fan switched on even when there is no one in the room. done
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question_answer5)
Read the given paragraph. As there is more and more \[\text{ }\_\_\_\_\_\left( \text{i} \right)\_\_\_\_\_\]. We are constructing taller buildings, factories and roads. This continuous process of building results in \[\text{ }\_\_\_\_\_\left( \text{ii} \right)\_\_\_\_\_\] of large quantities of waste formed by it in the landfill areas. Select the option which correctly fills up the blanks.
A)
B)
C)
D)
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question_answer6)
When lava cools quickly on the Earth's surface, it forms 'X'. 'X' is a very light rock used as a body scrubber and to polish floors. Identify 'X' in the above given paragraph.
A)
Gneiss done
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B)
Pumice done
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C)
Basalt done
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D)
Shale done
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question_answer7)
Ruchi noticed a major problem in her state. She found that more and more land area in her state is turning into desert. What is this condition called?
A)
Deforestation done
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B)
Barren land done
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C)
Desertification done
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D)
Afforestation done
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question_answer8)
Match column I with column II and select the correct option from the given codes.
Column I | Column II |
(1) Peat | (a) Brown coal |
(2) Anthracite | (b) Earliest type of coal |
(3) Lignite | (c) Soft coal |
(4) Bituminous | (d) Hard coal |
A)
1-b, 2-d, 3-a, 4-c done
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B)
1-a, 2-b, 3-c, 4-d done
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C)
1-d, 2-c, 3-b, 4-a done
clear
D)
1-d, 2-b, 3-c, 4-a done
clear
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question_answer9)
Which of the following gases can be produced from locally available raw materials such as recycled waste dung and is a renewable energy source like solar and wind energy?
A)
Biogas done
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B)
LPG done
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C)
CNG done
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D)
Greenhouse gas done
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question_answer10)
Rearrange the jumbled words to find out the name of a natural disaster which is not present in the given word grid.
A)
UHIRARNCE done
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B)
HPYONTO done
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C)
NCOYLEC done
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D)
SATIUMN done
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question_answer11)
Mt. Etna is an example of
A)
Vulnerable volcanoes done
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B)
Active volcanoes done
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C)
Extinct volcanoes done
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D)
Dormant volcanoes done
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question_answer12)
The given symbol is commonly seen on consumer products such as microwaves, refrigerators and lighting devices. What does this symbol indicates about the product?
A)
Energy-efficient product done
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B)
Energy-consuming product done
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C)
Energy-wasting product done
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D)
None of these done
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question_answer13)
To check the level of harmful gases emitted by the vehicles, all vehicles in India which are in use need to obtain emission check certificate. What is this certificate known as?
A)
Emission Under Control done
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B)
Emission Check Certificate done
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C)
Pollution Under Control done
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D)
Pollution Check Certificate done
clear
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question_answer14)
If an earthquake occurs, what you should do?
A)
If you are indoors, stay in and get under a desk or a table. done
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B)
If you are outdoors, stay away from trees and buildings. done
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C)
If you are on a beach, get into the sea. done
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D)
Both (a) and (b) done
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question_answer15)
By which of the following ways can we save water?
A)
Use water that is drained out from the washing machine to wash the toilet. done
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B)
Keep the tap open while applying soap. done
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C)
Use water collected from rain to water the plants. done
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D)
Both (a) and (c) done
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question_answer16)
Which of the following statements is incorrect regarding the conservation of environment?
A)
Lead free petrol in vehicles help in reducing pollution. done
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B)
Greenpeace is an organisation working to protect the environment by direct action. done
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C)
Use a bicycle or walk instead of using a car for short trips. done
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D)
Use of bleach and strong detergents is one of the ways to save the earth from getting polluted. done
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question_answer17)
Raj is travelling with his father in a car. He asks his father to turn off the engine at red lights in order to conserve a natural resource. Which of the following is being conserved by this activity?
A)
Coal done
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B)
Water done
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C)
Fuel done
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D)
None of these done
clear
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question_answer18)
Given below is the cascade of events following deforestation. Select the option which arrange them in the correct sequence.
P: Erosion of top soil. |
Q: River channel become shallow. |
R: Eroded soil gets deposited on the river bed as silt. |
S: Destruction of crops leads to starvation. |
T: Shallow channels cannot hold excess water during rain and hence cause flood. |
U: Floods damage agricultural crops. |
A)
\[P\to Q\to R\to S\to T\to U\] done
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B)
\[P\to R\to Q\to T\to U\to S\] done
clear
C)
\[Q\to R\to P\to S\to T\to U\] done
clear
D)
\[P\to T\to U\to Q\to R\to S\] done
clear
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question_answer19)
If there is a large amount of rainfall in a short period of time, it can lead to
A)
Flood done
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B)
Drought done
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C)
Famine done
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D)
Both (a) and (c). done
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question_answer20)
Which of the following actions will help to reduce pollution?
1. Composting kitchen and garden waste |
2. Using unleaded petrol in cars |
3. Spraying pesticides on plants to kill pests |
4. Littering chocolates and biscuits wrappers |
A)
1 and 2 done
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B)
3 and 4 done
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C)
1, 2 and 3 done
clear
D)
1, 2 and 4 done
clear
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question_answer21)
Natural processes change the surface of Earth. Some changes occur rapidly and some occur slowly. Which of the following would cause the fastest change in Earth's surface?
A)
Erosion done
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B)
Landslides done
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C)
Deposition done
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D)
Weathering done
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question_answer22)
The place where an earthquake originates is called ______.
A)
Focus done
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B)
Epicentre done
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C)
Centre done
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D)
Epix done
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question_answer23)
The Tsunami that occurred in Japan in 2011 was due to ____.
A)
Lunar eclipse done
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B)
Underwater landslide done
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C)
Earthquake done
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D)
Impact of asteroids and comets done
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question_answer24)
Which of the following is the most environment- friendly way of bathing?
A)
Showering for 20 minutes thrice a day done
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B)
Using a bucket of water done
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C)
Showering for 10 minutes twice a day done
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D)
Sitting under the running tap for 10 minutes done
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question_answer25)
Conservation is
A)
Preserving and protecting the environment and the natural things present in it. done
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B)
Littering of waste material done
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C)
Production of large amounts of non-biodegradable things done
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D)
None of these. done
clear
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