NSO Level 1- Science Olympiad (SOF) Class 3: Questions 446 - 449 of 504

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Question 446

Question

MCQ▾

The given diagram shows a fishing boat which sends out ultrasound waves that return after few seconds.

Diagram Shows a Fishing Boat Sends Out Ultrasound Waves

Select the correct statement regarding this.

Choices

Choice (4)Response

a.

The ultrasound waves are reflected back from the shoal of fish.

b.

Sound can travel in water.

c.

The ultrasound waves are used to locate the shoal of fish.

d.

All a., b. and c. are correct

Question 447

Question

MCQ▾

Which of the following state of matter is CORRECT about gas?

Choices

Choice (4)Response

a.

It has no fixed shape and no fixed volume

b.

It has fixed volume

c.

It has fixed volume and no fixed volume

d.

All of the above

Question 448

Question

MCQ▾

Select the INCORRECT statement regarding rotation of the Earth.

Choices

Choice (4)Response

a.

The Earth rotates from West to East.

b.

Rotation of the Earth causes change of seasons.

c.

Rotation of the Earth causes day and night.

d.

The Earth completes one rotation in 24 hours.

Question 449

Question

MCQ▾

In the given figure which alphabet is representing the Earth?

Figure Shows Alphabet in Which is Representing the Earth

Choices

Choice (4)Response

a.

Q

b.

P

c.

R

d.

All of the above

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