Everyday Science Mcqs 7

Everyday Science mcqs

 

• Light energy is stored in the form of chemical energy due to the activity of Chloroplast.

• Sunlight is composed of seven colours

• Oil rises in a wick of oil lamp on account of a property of matter called Capillary Action

• What is a Fata Morgana- Type of Mirage



Freon-trademark for any of a number of chemical compounds containing fluorine, and often chlorine or

Bromine. Use: as solvents, as aerosol propellants, in refrigeration. It is commonly used in refrigerator.


Everyday Science Mcqs for Jobs and University Preparation

1. the most important stimulant in tea leaves is

A. Burcina

B. Caffeine

C. Phenylalanine

D. Theine

Answer is = B

2. dolly is the name of the

A. first cloned sheep

B. first cloned monkey

C. first test- tube baby

D. first human fossil

Answer is = A



3. Which part of the camera is analogue to the retina in the human eye?

A. lens

B. film

C. aperture

D. shutter

Answer is = B

4. When a person enters a dark room from bright light he is not able to see

A. Eye is unable to adjust itself immediately

B. Retina becomes insensitive momentarily

C. Lris is unable to dilate the pupil immediately

D. Distance between the lens and retina take time to adjusted

Answer is = C

5. What is the average adult plus rate?

A. 140-150

B. 115-125

C. 72-80

D. 60

Answer is = C

6. The beautiful color patterns exhibited by a peacock in its tail feathers are due to

A. selective absorption of light

B. selective reflection of light

C. sinterference of light

D. natural color pattern of feathers

Answer is = A

7. A take starts freezing because of the cold atmosphere. It will first freeze

A. At the bottom

B. In the middle part

C. At the top surface

D. Uniform throughout the water body

Answer is = C

8. the sun appears red at sunrise and sunset while it appears white at noon, because

A. of refraction

B. it color at sunrise and at sunset

C. of diffraction leading to red end of

the spectrum reaching the earth

D. of scattering of light due to dust particles and air molecules

Answer is = D

9. An astronaut inside a spacecraft is in a state of weightlessness. This implies that

A. the mass of the astronaut is reduced to zero

B. Gravity inside the spacecraft cases to act

C. The astronaut is outside the influence of the earth’s gravitational force

D. The astronaut and the spacecraft are both in a free-falling state

Answer is = D

10. An iceberg is floating in sea. How much of its mass will remain above the surface of water?

A. One tenth

B. One fifth

C. One fourth

D. One third

Answer is = A

11. Most of the ozone in the atmosphere is concentrated in the

A. Mesosphere

B. troposphere

C. stratosphere

D. lonosphere

Answer is = C

12. The cow’s milk contains how much amount of water in terms of percentage?

A. 60 %

B. 65 %

C. 72 %

D. 80 %

Answer is = D



13. T.V Transmission cannot cover a very large area because.

A. the strength of T.V waves is very limited

B. picture cannot be transmitted clearly after a specific distance.

C. the shape of the earth is spherical

D. the air is not a good conductor of light and sound/waves.

Answer is = C

14. The Green House Effect is caused by an excess of

A. carbon dioxide

B. carbon monoxide

C. carbon tetrachloride

D. none of above

Answer is = A

15. Bats can also fly in dark because they are capable of taking the help of

A. Ultraviolet waves

B. ultrasonic waves

C. Electromagnetic waves

D. Special Retinal

Answer is = B

16. What is ‘Stealth technology’?

A. A device which when attached to makes an aircraft it invisible on the radar

B. A coating which reduces the visibility of an aircraft on a order

C. A technology by which it is possible for the aircrafts to spy in the enemy air-space

E. A technology by using which paratroopers can be drooped stealthily behind the enemy columns

Answer is = B

17. The primary function or the feathers in birds is to

A. Provide insulation for preserving body heat

B. provide striking surface to wings for flying

C. make the body surface water proof

D. impart coloration for species as well as sex recognition

Answer is =B

18. The rear view mirror of a motor vehicle is

A. concave

B. plane

C. convex

D. Biconcave

Answer is = C

19. Lead ball falls through water more slowly than through air because

A. the value of ‘g’ is less in water

B. Density of air is than that of water

C. of the viscous forces in water

D. of the surface tension of water

Answer is = C

20. A Fahrenheit thermometer indicates a temperature of 14f its Celsius scale will be

A. _20 c

B. _ 10 c

C. + 10 c

D. + 20 c

Answer is = B

21. Which one of the following sets of colour combinations is added in colour vision in T.V?

A. Red, green and blue

B. orange, lack and violet

C. White, red and yellow

D. Yellow, green and blue

Answer is = A

22. A train goes past a railway station at a high speed A young boy standing on the edge of the platform is 

likely to.

A. remain unaffected

B. Fall away from the train

C. Fall towards the train

D.Fall away from or towards the train depending upon the speed

Answer is = C



23. Water is highly effective coolant for a car engine because

A. Water is good conductor of heat

B. Water has very high specific heat

C. Water boils at a comparatively high temperature

D. Evaporation of water produces lot of cooling

Answer is = A

24. Scalding with steam is more severe than scalding by boiling water because

A. Steam can penetrtae thi skin

B. Steam is at a higher temperature

C. Steam contain more energy than boiling water

D. Steam is at a higher pressure

Answer is = C

25. In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is 

termed as

A. Electroplating

B. Annealing

C. Ga

Answer is = C

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