• 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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