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Science Quiz 25

author October 7, 2025 No Comments PYQ Quiz

Welcome to your Science Quiz 25

The tendency of a liquid drop to contract and occupy minimum area is due to: [1997]

Viscosity

Surface tension

Density

Vapor pressure

Not Attempted

None

Which one of the following is a vector quantity? [1997]

Momentum

Pressure

Energy

Work

Not Attempted

None

A boy standing at the point ‘O’ throws a ball three times with the same force, but at different inclinations from the ground. Which of the following is a valid conclusion? [1997]

The larger the initial inclination, the longer the throw

The larger the height reached, the longer the throw

The larger the height reached, the shorter the throw

The larger the initial inclination, the greater the height reached

Not Attempted

None

The working principle of a washing machine is: [1997]

Centrifugation

Dialysis

Reverse osmosis

Diffusion

Not Attempted

None

Which one of the following is paramagnetic in nature? [1997]

Iron

Hydrogen

Oxygen

Nitrogen

Not Attempted

None

Distance-time graph in respect of a race among four persons is shown in the given figure. Consider the following statements in this regard: [1996]

I. ‘A’ stood first in the race.
II. ‘C’ led all the way.
III. ‘D’ ran faster than others in the later part of the race

I and III are false, and II is true

I and II are false, and III is true

I and III are true, and II is false

I is true, and II and III are false

Not Attempted

None

When an air bubble at the bottom of a lake rises to the top, it will: [1996]

Increase in size

Decrease in size

Maintain its size

Flatten into a disk-like shape

Not Attempted

None

When a mirror is rotated by an angle of 6°, the reflected ray will rotate by: [1996]

0°

30°

12°

20°

Not Attempted

None

A truck, a car, and a motorcycle have equal kinetic energies. If equal stopping forces are applied, and they stop after traveling distances of x, y, z respectively, then: [1996]

x > y > z

x < y < z

x = y = z

x = 4y = 8z

Not Attempted

None

10.

Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to: [1996]

I.Supply hot water to residential buildings.

II. Supply water for minor irrigation projects.

III. Provide street lighting.

IV. Electrify a cluster of villages and small towns.

I, II, III, and IV are correct.

II and IV are correct

I and III are correct

I, II, and III are correct

Not Attempted

None

Name

Time’s up

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