NSO Level 1- Science Olympiad (SOF) Class 4: Questions 395 - 397 of 435

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Question 395

Appeared in Year: 2012

Question

MCQ▾

Mohit was going somewhere. On the way near a hospital he saw the given sign. Which option justifies its presence near a hospital?

Sign Shows Justifies Its Presence Near a Hospital

Choices

Choice (4)Response

a.

The given sign is for “hospital ahead” which signifies to slow down the speed of the vehicles.

b.

The given sign is for “no honking” as honking creates pleasant sounds which make patients resting in the hospital comfortable.

c.

The given sign is for “no honking” as honking creates loud noises which make patients resting in the hospital uncomfortable.

d.

The given sign is for “no honking” which signifies to park vehicles far away from the hospital premises.

Question 396

Question

MCQ▾

Ravi put a coin on a marble-topped table and flicked it with his finger. He used a ruler to measure the distance travelled by the coin. Then he carried out, the same test by laying a piece of sand paper, a newspaper, and a towel in turns, on the table. On which surface will the coin travel farthest?

Choices

Choice (4)Response

a.

Marble top

b.

Newspaper

c.

Sand paper

d.

Towel

Question 397

Question

MCQ▾

Preeta put her hand above the flame of the candle. She could not hold her hand above the flame for more than few seconds. Whereas, when she brought her hands close to the sides of the flame, she felt the warmth of the flame and held her hands in that position for a longer time. Which of the following justifies this?

Image Shows Two Candles

Choices

Choice (4)Response

a.

The candle flame always burns upwards.

b.

The candle flame always burns downwards.

c.

The hot air spreads in all directions.

d.

The hot air rises up.

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