ICSE Class 10 Question Paper 2023 Environmental Science

2023
QUESTION
PAPER

ENVIRONMENTAL SCIENCE

Maximum Marks: 80

Time allowed: Two hours

Answers to this Paper must be written on the paper provided separately.

You will not be allowed to write during the first 15 minutes.

This time is to be spent in reading the question paper.

The time given at the head of this Paper is the time allowed for writing the answers.

Attempt all questions from Section A and any four questions from Section B.

The intended marks for questions or parts of questions are given in brackets [ ].

SECTION A (40 Marks)
(Attempt all questions from this Section.)

Question 1 [16]

Choose the correct answers to the questions from the given options.
(Do not copy the questions, write the correct answers only.)

(i) Core and buffer zone is present in:

(a) National Parks

(b) Botanical Gardens

(c) Biosphere Reserves

(d) Sanctuaries

(ii) Catalytic converter in vehicles is used for controlling:

(a) Soil pollution

(b) Air pollution

(c) Water pollution

(d) Noise pollution

This paper consists of 7 printed pages and 1 blank page.
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(iii) The species of animals which are at high risk of endangerment in the wild are
called:

(a) Vulnerable species

(b) Rare species

(c) Extinct species

(d) Critically endangered species

(iv) The Ramsar Convention, 1971, an International Treaty was held for the
conservation of:

(a) Soil

(b) Forests

(c) Threatened species

(d) Wetlands

(v) The agency that regulates International Trade is:

(a) IMF

(b) WTO

(c) World Bank

(d) GEF

(vi) The energy generated from the earth is called:

(a) Tidal energy

(b) Wind energy

(c) Geothermal energy

(d) Solar energy

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(vii) __________ was the movement started by village women to save the trees.

(a) Greenery Development Project

(b) Beej Bachao Andolan

(c) Chipko Movement

(d) Green Revolution

(viii) Growing of two or more crops in the same field is called:

(a) Monoculture

(b) Intercropping

(c) Inter-varietal cropping

(d) Intracropping

(ix) The main aim of secondary cities is to reduce:

(a) Tourism

(b) Congestion

(c) Consumption

(d) Cooperation

(x) Deforestation does not cause:

(a) Global warming

(b) Soil erosion

(c) Loss of forest cover

(d) Basin listing

(xi) ___________ helps people to understand the need for controlling population.

(a) Education

(b) Superstition

(c) Sanitation

(d) Urbanisation

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(xii) Which of the following is not an ingredient of vehicular pollution?

(a) Nitrogen oxides

(b) Carbon monoxide

(c) Sulphur dioxide

(d) LPG

(xiii) Global food imbalance is due to:

(a) Over cultivation

(b) Monocropping

(c) Crop rotation

(d) Inequality in distribution of surplus produce

(xiv) GEF work focuses on:

(a) Biodiversity

(b) Climatic change

(c) Land degradation

(d) All of the above

(xv) Kerosene as a desirable cooking fuel is:

(a) Inefficient

(b) Non polluting

(c) Unsafe

(d) Not available easily

(xvi) Terrace farming is an effective method of soil conservation in the:

(a) Plains

(b) Deserts

(c) Hills

(d) Delta

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Question 2

(i) Mention any two man-made causes for the loss of biodiversity. [2]

(ii) State two advantages of High Yield Variety seeds. [2]

(iii) Mention one advantage and one disadvantage of sewage sludge. [2]

(iv) Remote sensing satellites are effective in environmental protection. [2]
Give two reasons in support of your answer.

Question 3

(i) Expand ‘CITES’. [2]
Mention its significance.

(ii) Mention two benefits of Integrated Rural Development. [2]

(iii) What is alternate technology? [2]
State one benefit of alternate technology.

(iv) How can public transport system help to safeguard our environment? [2]

Question 4

(i) Give one difference between Polyvarietal cultivation and Polyculture. [2]

(ii) What is mulching? [2]

(iii) Mention two ways in which activities of MNCs can be monitored in [2]
developing countries.

(iv) Give two impacts of growing population on land. [2]

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SECTION B (40 Marks)
(Attempt any four questions from this Section.)

Question 5

(i) What is Integrated Pest Management? [5]
State any three of its importance in sustainable agriculture.

(ii) What is overgrazing? [5]
Give any four hazards of overgrazing.

Question 6

(i) “In most cities increasingly CNG is used as a fuel in vehicles.” [5]
Give five appropriate reasons for your answer.

(ii) What is composting? [5]
Mention any three of its advantages.

Question 7

(i) Mention three advantages and two disadvantages of hydroelectricity. [5]

(ii) What is Zoning? [5]
Mention four ways in which Taj Trapezium is an instance of Zoning.

Question 8

(i) Define International Trade. [5]
Mention three ways in which International Trade can reduce global
inequalities and thereby help the developing nations.

(ii) What is Trickle Drip Irrigation? [5]
Mention two advantages and two disadvantages of Trickle Drip Irrigation.

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Question 9

(i) What is energy plantation? [5]
List any four advantages.

(ii) What is Conservation Tillage? [5]
Mention three advantages of Conservation Tillage.

Question 10

(i) What is Mixed Cropping? [5]
State any two advantages and any two disadvantages of Mixed Cropping.

(ii) “Growth of slums is a common feature of urbanisation.” [5]
State five disadvantages of the growth of slums.

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