Class 4

River's Tale (Water Ecology) question bank (EVS)

Practice 42 free Class 4 EVS - River's Tale (Water Ecology) questions with answers and step-by-step solutions.

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Q1.

Which of the following real-life observations directly relates to Water Pollution Sources in 'River's Tale (Water Ecology)'?


(A)
Solar system planets disappearing
(B)
Daily natural phenomena, animal adaptations, or plant functions studied under Water Pollution Sources
(C)
Chemical nuclear reactions
(D)
High-speed particle accelerators
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Q2.

Which of the following real-life observations directly relates to Purification of Water in 'River's Tale (Water Ecology)'?


(A)
Solar system planets disappearing
(B)
Daily natural phenomena, animal adaptations, or plant functions studied under Purification of Water
(C)
Chemical nuclear reactions
(D)
High-speed particle accelerators
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