ICSE 2021 Environmental Science Question Paper Solved Semester 1 for Class 10

Solving ICSE Class 10 Environmental Science Previous Year Question Papers ICSE Class 10 Environmental Science Question Paper 2021 Semester 1 is the best way to boost your preparation for the board exams.

ICSE Class 10 Environmental Science Question Paper 2021 Solved Semester 1

Maximum Marks: 40
Time allowed: 1 hour

General Instructions:

• You will not be allowed to write during the first 10 minutes.
• This time is to be spent in reading the question paper.
• All Questions are Compulsory
• The intended marks for questions or parts of questions are given in brackets [ ].
• Select the correct option for each of the following questions.

Question 1
Method of reducing vehicular air pollution : [1]
(a) Use of catalytic convx, lers
(b) Meteorological controls.
(c) Use of electrostatic precipitator.
(d) Use of cyclone separator.
Answer
(a) Use of catalytic converters

Question 2.
We could achieve the low projection of population : [1]
(a) If we placed high priority on trade.
(b) If we give high priority to women centred education.
(c) If we advance in technology.
(d) If we reduce family planning methods.
Answer
(b) If we give high priority to women centred education.

Question 3.
Integrated Pest Management reduces the application of: [ 1 ]
(a) Acids.
(b) Fertilizers.
(c) Pesticides.
(d) Salts.
Answer:
(c) Pesticides.

Question 4.
The global food system is spectacularly bad at tackling [1]
(a) Poverty.
(b) Hunger.
(c) Water.
(d) Air
Answer:
(b) Hunger.

Question 5.
Alternative to timber in making paper is : [1]
(a) Metal.
(b) Plastic.
(c) Bagasse.
(d) None of the above.
Answer:
(c) Bagasse.

Question 6.
India s staple food grains are ……………………. . [1]
(a) Wheat and rice.
(b) Wheat and jowar.
(c) Rice and jowar.
(d) Jowar and bajra.
Answer:
(a) Wheat and rice.

Question 7.
Non timber forest products are : [1]
(a) Nuts, Seeds, Berries.
(b) Sandal wood, bamboo, Honey.
(c) Charcoal, Wood oil, Resins.
(d) Leaves, Flowers, Weeds.
Answer:
(a) Nuts, Seeds, Berries.

Question 8.
This is a characteristic of organic fertilizers : [1]
(a) They help plants to grow but do nothing for the soil.
(h) They supply three to five nutrien ts only.
(c) They leave the soil depleted and devoid of life.
(d) They release their nutrients over a long period of time.
Answer:
(d) They release their nutrients over a long period of time.

Question 9.
Planning of an urban environment must include : [1]
(a) Narrow roads.
(b) Proper drainage and disposal waste system.
(c) No waste water treatment plants.
(d) Conventional sources of energy.
Answer:
(b) Proper drainage and disposal waste system.

Question 10.
Which of the following is an advantage of zoning strategy? [1]
(a) Can increase the cost of building new structures in some areas.
(b) The government and private enterprises can lose control over its land use.
(c) Can discourage some development in some areas.
(d) Can conserve environmentally sensitive areas.
Answer:
(d) Can conserve environmentally sensitive areas.

Question 11.
Swatch Bharat program was initiated by : [1]
(a) Anna Hazare.
(b) Vijay Jardhari.
(c) Narendra Modi,
(d) Indira Gandhi.
Answer:
(c) Narendra Modi

Question 12.
The disadvantages of recycled timber. [1]
(a) Affordable.
(b) Moisture content practically nil.
(c) Stigma attached with using used or cheap wood.
(d) Eco-friendly.
Answer:
(c) Stigma attached with using used or cheap wood.

Question 13.
Kerosene as a desirable cooking fuel is : [1]
(a) Inefficient.
(b) Unsafe.
(c) Is not More environmentally friendly than fossil fuel.
(d) It can be bought in smaller quantities.
Answer:
(d) It can be bought in smaller quantities.

Question 14.
The equipment that removes particles more than 50 micrometres in diameter : [1]
(a) Wet Scrubber.
(b) Electrostatic Precipitator.
(c) Fabric Filter.
(d) Cyclone Separator.
Answer:
(d) Cyclone Separator.

Question 15.
Van Mahotsava means : [1]
(a) Using alternative for fuel wood.
(b) Stop cutting trees.
(c) Tree planting festival.
(d) Banning the practice of slash and bum.
Answer:
(c) Tree planting festival.

Question 16.
Which is the country with the highest population in the world? [1]
(a) China.
(b) Canada.
(c) India.
(d) Australia.
Answer:
(a) China

Question 17.
Trees can help soil conservation on land by : [1]
(a) Increasing wind speed.
(b) Increasing speed of water flow.
(c) Decreasing soil organic matter.
(d) Holding soil together and reducing soil erosion.
Answer:
(d) Holding soil together and reducing soil erosion.

Question 18.
Human activity that causes soil erosion is : [1]
(a) Afforestation.
(b) Use of labour on land instead of machinery.
(c) Overuse of land for growing crops.
(d) Multi cropping.
Answer:
(c) Overuse of land for growing crops.

Question 19.
Social forestry is ……………………… of all lands other than crop land [1]
(a) Deforestation.
(b) Deserted.
(c) Afforestation.
(d) Barren.
Answer:
(c) Afforestation

Question 20.
An example of particulate pollutant is : [1]
(a) Soot.
(b) Sulphur dioxide
(c) Plastic.
(d) Oxides of nitrogen.
Answer:
(a) Soot.

Question 21.
Vegetative method of soil conservation is : [1]
(a) Terrace farming.
(b) Crop Rotation.
(c) Bunds.
(d) Contour farming.
Answer:
(b) Crop Rotation.

Question 22.
Factor responsible for decrease in population in developing countries are : [1]
(a) Religious belief,
(b) Preference for a male child.
(c) Poverty.
(d) Education.
Answer
(id) Education.

Question 23.
The aim of Integrated Plant Nutrient Management is : [1]
(a) To ensure productive and sustainable agriculture.
(b) Difficulty in growing green manure.
(c) Non availability of water.
(d) Lack of nutrient.
Answer:
(a) To ensure productive and sustainable agriculture.

Question 24.
An alternative to fuel wood is : [1]
(a) Wet scrubber.
(b) Cyclone filter.
(c) Solar cookers.
(d) Electrostatic precipitator.
Answer:
(c) Solar cookers.

Question 25.
The rapid increase in the city population results in the growth of ……………………… [1]
(a) Slums.
(b) Employment.
(c) Unstable land.
(d) Forest.
Answer:
(a) Slums.

Question 26.
Secondary cities are : [1]
(a) On the outskirts of villages.
(b) in the centre of metropolitan cities.
(c) On the outskirts of main cities.
(d) In the centre of towns.
Answer:
(c) On the outskirts of main cities.

Question 27.
Four stroke engines are used in : [1]
(a) Garden equipment,
(b) Jet skis.
(c) Motorcycles.
(d) Cars.
Answer
(d) Cars.

Question 28.
Deforestation generally decreases : [1]
(a) Soil erosion
(b) Global warming
(c) Drought
(d) Rainfall
Answer:
(d) Rainfall

Question 29.
Terracing is an effective method of soil conservation in : [1]
(a) Deserts
(b) Hills
(c) Plains
(d) Riverine
Answer:
(b) Hills

Question 30.
Among the following which is the major cause of crop failure in India ? [1]
(a) Monsoon failure
(b) Inadequate supply of fertilizer
(c) inadequate supply of pesticide
(d) Pest attack
Answer:
(a) Monsoon failure

Question 31.
Change in fuel technique involves the use of less polluting fuel to reduce air pollution : [1]
(a) True
(b) False
Answer
(a) True

Question 32.
Education to women opens up opportunities to work and achieve their goals : [1]
(a) True
(b) False
Answer:
(a) True

Question 33.
Migration can lead to congestion and pollution in rural areas: [1]
(a) True (b) False
Answer:
(b) False

Question 34.
Cover crops are particularly helpful in retaining moisture in the soil: [1]
(a) True
(b) False
Answer:
(a) True

Question 35.
To strengthen rural-ruban linkage consolidation of farm to market roadways is very important: [1]
(a) True
(b) False
Answer:
(a) True

Question 36.
The main objective of Integrated Rural Development Programme is to improve the economic conditions of the rural poor: [1]
(a) True
(b) False
Answer:
(a) True

Question 37.
Plant genetic resources are a crucial component of global food security. [1]
(a) True
(b) False
Answer:
(a) True

Question 38
Traffic management measures are aimed to improve traffic by increasing the cost of leaded and free-lead petrol: [1]
(a) True
(b) False
Answer:
(b) False

Question 39.
Most of the urban and rural poor have no access to safe drinking water and health care services : [1]
(a) True
(b) False
Answer:
(a) True

Question 40.
Baranaja is a practice to grow a single crop on a single plot of land: [1]
(a) True
(b) False
Answer:
(b) False