CTET Paper II (Upper Primary: Class 6-8)

Natural Resources - Air Water Soil Conservation Environmental Impact question bank (Mathematics & Science)

Practice 81 free CTET Paper II (Upper Primary: Class 6-8) Mathematics & Science - Natural Resources - Air Water Soil Conservation Environmental Impact questions with answers and step-by-step solutions.

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Q1.

Which of the following agricultural practices is most effective in preventing topsoil erosion on sloping hilly terrains?

Topic: Natural Resources - Air Water Soil Conservation Environmental Impact | Source: AI Generated (CTET Paper II (Upper Primary: Class 6-8))

(A)
Clear-cutting all natural vegetation before the monsoon season
(B)
Terrace farming and contour ploughing
(C)
Intensive deep ploughing using heavy tractors straight down the slope
(D)
Applying chemical fertilizers in excessive amounts
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Q2.

A student argues that since water covers about 71 percent of Earth's surface, water scarcity is a myth created by municipal corporations. How should a science teacher address this misconception?

Topic: Natural Resources - Air Water Soil Conservation Environmental Impact | Source: AI Generated (CTET Paper II (Upper Primary: Class 6-8))

(A)
Agree with the student and skip the topic of water conservation
(B)
Explain that over 97 percent of Earth's water is saline ocean water, and freshwater available for human consumption is extremely limited
(C)
Punish the student for questioning official data
(D)
Tell the student that water magically appears whenever it rains
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