GENERAL SCIENCE QUIZ with 50 MCQs SET-11

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1. The oil in the wick of a lamp rises up due to

Capillary action

Low viscosity of oil

Gravitational force

Pressure difference

2. The image formed on the retina of the eye is

Real and Inverted

Enlarged and Real

Virtual and Upright

Upright and Real

3. Which of the following causes Poliomyelitis?

Enterovirus

Rhabdovirus

Dengue virus

Mumps virus

4. A glass tumbler containing ice shows droplets of water on the outer surface because

None of these

The moisture in the air on coming in contact with the cold surface of the tumbler condenses in the form of droplets of water

Water from inside oozes out through minute porous wall of the tumbler

The outer surface of the tumbler shows hygroscopic effect

5. The universal law of gravitation was propounded by

Galileo

Copernicus

Kepler

Newton

6. Deforestation in the uplands may cause pollution in rivers through

Inflow of forest material

Increased discharge rate

Leaching of salts

Erosion and silting

7. The 23½° South latitude is known as

The Prime Meridian

The Tropic of Cancer

The Equator

The Tropic of Capricorn

8. Ecology deals with

Cell formation

Tissues

Relation between organisms and their environment

Birds

9. Toxin is a poisonous substance produce by

Some higher plants

Certain animals

All of the above

Pathogenic bacteria

10. The blue colour of the water in the sea is due to

Scattering of blue light by water molecules

Absorption of other colors except the blue colour by water molecules

Reflection of blue sky by the sea water

Refraction of the blue light by the impurities in sea water

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11. What is the instrument that determines specific gravity of liquids?

Hypsometer

Gravimeter

Hydrometer

Hygrometer

12. In the visible spectrum, the colour having the shortest wavelength is

Blue

Violet

Green

Yellow

13. A man weighing 65 kg jumps from a 100 ft high building with a load of 35 kg. What wlii be the load experienced by him?

20 kg

Zero

100 kg

200 kg

14. For seeing objects at the surface of water from a submarine under water, the instrument used is

Telescope

Periscope

Kaleidoscope

Spectroscope

15. The branch of Science which shows inter-relationship of living organism and their environment is

Cell Biology

Genetics

Ecology

Anatomy

16. In which season do we need more fat?

Spring

Summer

Rainy season

Winter

17. A thick glass tumbler cracks more easily than a thin one when hot water is poured into it. Why?

Thick glass is of inferior quality.

The outer surface of the tumbler expands more than its inner surface.

Thick glass is more brittle than thin glass.

The inner surface of the tumbler expands more than its outer surface.

18. The sky appears blue because

It is actually blue

In white light, blue colour dominates

All colors interface to produce blue

The atmosphere scatters blue light more than the others

19. Food is cooked in a pressure cooker quickly because

Boiling point of water increases

It absorbs heat quickly

Boiling point of water decreases

It retains heat for a longer duration

20. How many red blood cells does the bone marrow produce every second?

12 million

5 million

7 million

10 million

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21. “RH” factor is a term that we hear in connection with

Blood Transfusion

Blood Pressure

Space Travel

Air Pressure

22.

May decrease or increase

Remains unchanged

Decreases

Increases

23. Primitive man first learnt

To grow grain

To make a wheel

To make fire

To tame animals

24. The range of R.B.C to W.B.C in the human body is

5 : 500

15 : 500

10 : 500

1 : 500

GENERAL SCIENCE QUIZ with 50 MCQs SET-11

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