Question

[125]. Read the following passage carefully:

Passage: "A mountain lake looks still, but its water turns over with the seasons. In winter, cold water sinks; in summer, warm water stays on top and cold water rests below. Fish move between layers to find food and oxygen. When the lake turns over in spring and autumn, nutrients mix and the whole lake renews. Stillness on the surface hides movement below." The phrase 'stillness hides movement' means —

1.
Lakes are dead
2.
Movement stops in winter
3.
A calm surface conceals seasonal mixing below
4.
Surface water never moves
Answer (Detailed Solution Below)

Option 3 : A calm surface conceals seasonal mixing below

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Detailed Solution

सही उत्तर A calm surface conceals seasonal mixing below है।

Key Points

Hidden turnover under calm surface.

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Question:

[125]. Read the following passage carefully:

Passage: "A mountain lake looks still, but its water turns over with the seasons. In winter, cold water sinks; in summer, warm water stays on top and cold water rests below. Fish move between layers to find food and oxygen. When the lake turns over in spring and autumn, nutrients mix and the whole lake renews. Stillness on the surface hides movement below." The phrase 'stillness hides movement' means —

1.
Lakes are dead
2.
Movement stops in winter
3.
A calm surface conceals seasonal mixing below
4.
Surface water never moves

Correct Answer: A calm surface conceals seasonal mixing below

Hidden turnover under calm surface.

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