EWT | Academic Question

Questions
Question (21)
QN0010272
Which of the following best distinguishes a river from a pond?
  • (A) A river usually flows, while a pond stores water in one place.
  • (B) A pond flows continuously.
  • (C) Rivers are underground.
  • (D) Ponds contain groundwater only.

Correct Answer: A
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Question (22)
QN0010273
A region receives abundant rainfall and several ponds become full. What is most likely to increase?
  • (A) Surface water availability
  • (B) Cloud height
  • (C) Ground temperature
  • (D) Soil colour

Correct Answer: A
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Question (23)
QN0010274
Which activity would directly help students observe surface water?
  • (A) Looking into a borewell
  • (B) Visiting a pond or lake
  • (C) Digging through rocks
  • (D) Observing clouds only

Correct Answer: B
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Question (24)
QN0010275
A pond contains 900 litres of water. If 200 litres evaporate, how much surface water remains?
  • (A) 700 litres
  • (B) 800 litres
  • (C) 900 litres
  • (D) 1100 litres

Correct Answer: A
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Question (25)
QN0010276
Which water body generally covers a larger area?
  • (A) Puddle
  • (B) Pond
  • (C) Lake
  • (D) Handpump

Correct Answer: C
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Question (26)
QN0010277
A river supplies water to a nearby town. This is an example of surface water supporting ________.
  • (A) daily human needs
  • (B) cloud formation only
  • (C) rock formation
  • (D) underground drilling

Correct Answer: A
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Question (27)
QN0010278
If two ponds each contain 250 litres of water, what is their total surface water volume?
  • (A) 250 litres
  • (B) 300 litres
  • (C) 500 litres
  • (D) 750 litres

Correct Answer: C
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Question (28)
QN0010279
Which option contains only natural surface water sources?
  • (A) Rivers, lakes, ponds
  • (B) Borewells, rivers, ponds
  • (C) Wells, lakes, rivers
  • (D) Tube wells, lakes, ponds

Correct Answer: A
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Question (29)
QN0010280
A child sees ducks swimming in a lake. The lake water is classified as ________.
  • (A) groundwater
  • (B) surface water
  • (C) underground water
  • (D) aquifer water

Correct Answer: B
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Question (30)
QN0010281
Which statement best explains the importance of lakes and ponds in a community?
  • (A) They store and provide surface water.
  • (B) They create clouds directly.
  • (C) They replace rainfall.
  • (D) They produce groundwater instantly.

Correct Answer: A
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