Everyday Science MCQs Part X

1 A dwarf that has normal proportions and normal intelligence is the result of an

Underactive intelligence

2 When the circular muscles of the iris contract the size of the pupil


3 The colour of an opaque object is the colour of the light that it


4 At what temperature does water changes its shape from liquid to gaseous state?

305 degree Fahrenheit or 100 degree Celsius

5 What is the main characteristic of a mineral?

Wherever it found, it always has the same properties

6 What is quicksilver?

Another name of Mercury

7 What is the first metal known to man?


8 What are saprophytes?

Those animals and plants that get their food from the decaying remains of plants and animals

9 Bulk of modern perfumes are produced from

Coal tar

10 Antibodies are chemicals that are

Produced by the body in response to an antigen

11 The largest amount of energy that Earth receives from the Sun is in the from of

Infrared and heat energy

12 The study of the inter-relationships of plants and animals with each other and with their environment is known as


13 The best source of Vitamin C is


14 J. J. Thomson discovered


15 The nerve centre for sight is located in the


16 Radius, Ulna and Scapula are

Bones of the arm

17 A green leaf illuminated by blue light looks


18 Why does a dog hang its tongue out?

To cool its body

19 Who lays eggs in a honeybee colony?

The queen bee

20 If Cerebellum get injured, the person

Cannot walk in a straight line or stand erect


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21 The normal number of chromosomes in human is


22 Light emitted from the Sun take how much time to reach the Earth?

About 500 seconds

23 Dr. Jonas Salk is known for

Anti-Polio Vaccine

24 A normal person blink his eyes on average

Every Six seconds

25 What is camel hump?

The camel’s reserve supply of energy

26 Why do people drink before meal?

To stimulate appetite

27 In medical science, a stroke occurs when

Blood supply to brain stops after an injury

28 The function of the nerve cells is to

Transmit messages

29 Military rockets that are aimed at a targeted point, before being fired are called

Ballistic missiles

30 The process by which gases enter and leaves the blood is called


31 Bacteria is usually classified as


32 Coronary arteries supply blood to the


33 Sound travels fastest in


34 A defence of the body against bacteria is


35 An insect that is economically important because it carries pollen from flowers to flowers is


36 The tapeworm lives in the intestines of man as

A parasite

37 An adult may secrete

1 to 1.5 liters of saliva per day

38 A radio signal can travel around the Earth in about

1/7 second

39 The sky over Moon appears


40 Tuberculosis affects


41 Which planet of the Solar System has highest mass?


42 The foundation of modern science was laid down in


43 Before 1609, science was mainly based on the ideas of


44 Who was Aristotle?

A Greek philosopher

45 Aristotle recorded his ideas about universe, matter and living organisms by

About 340 B.C

46 The famous book ‘‘On The Heavens’’ is authored by


47 Who gave for the first time the idea that Earth is not a flat plate?


48 According to Aristotle all substances are composed of

Four elements

49 The four elements that Aristotle believed all substances are composed of are

Fire, Water, Soil and Air

50 The idea that Sun is stationary and the planets revolve around it was presented in


51 Who presented the idea about stationary position of the Sun and planets movement?

Nicholas Copernicus

52 Who was Nicholas Copernicus?

A Polish priest

53 Book ‘‘Two New Sciences’’ was written by

Galileo Galilei

54 ‘‘Dialogues Concerning The Two Chief World Systems’’ is also written by

Galileo Galilei

55 Newton was the first scientist ever to be


56 The father of Genetics is

Gegor Mendel

57 Who was Gegor Mendel?

An Austrian Monk

58 Book ‘‘On The Origin Of Species’’ was written by

Gegor Mendel

59 ‘‘On The Origin Of Species’’ was published in


60 The structure of DNA was proposed in


61 Aerodynamics is the

Branch of Physics

62 Aerodynamics deals with

Motion and mechanical effects of air or gases

63 Aeronautics is the science of

Air navigation

64 Anatomy deals with

Structure and structural relationship of body organs

65 Archaeology is the study of

Ancient relics and monuments

66 Astrology is the study of the

Influence of stars movements of human life

67 Astronomy is the study of

Heavenly bodies

68 Ballistics is the study of the motion of

Projectiles and rockets

69 Ceramics is the

Art of making poetry

70 Cosmology is the study of

The Universe

71 Electromagnetism is the study of

Magnetic behaviour of electricity and electric behaviour of magnets

72 Entomology is the study of


73 Geology is the study of the characteristics of the


74 Horticulture is the

Scientific cultivation of fruits and vegetables and shrubs

75 Hydrodynamic is the study of the

Motion and pressure of fluids

76 Metallurgy is the

Extraction of metals from minerals

77 Ornithology is the study of


78 Pedagogy is the science of


79 Penology is the study of

Punishment and prison management

80 Philology is the science of


81 Pisciculture is the artificial breeding of


82 Apiculture is the science of breeding

Honeybees and honey production

83 The estimated average age of the universe starting from the big-bang is about

15 billion years

84 The average distance between Earth and Sun is equal to

Astronomical Unit

85 An Astronomical Unit (AU) is equal to

92,975,680 miles

86 Astronomical Scientists withdraw the planet status of Pluto on

24 August 2006

87 The Apollo Eleven Mission (Manned Mission To Moon) was launched on

16 July 1969

88 The Lunar Module of the Apollo Eleven Mission landed on the surface of the Moon on

20th July 1969

89 In the Solar System, which planet has the largest number of satellites?


90 The number of satellites of the Saturn is


91 Spring tides are

Large tides

92 Spring tides are produced on the

1st and 14th of every lunar month

93 Neap tides are relatively

Small tides

94 Neap tides are produced on the

7th and 21st of every lunar month

95 The frequency of the occurrence of Lunar Eclipse ranges from

0 to 3 per year

96 Solar Eclipse occurs each year at least

Two times

97 Minerals are naturally formed inorganic substances with

Fixed chemical composition

98 The largest ocean of the world is

Pacific Ocean

99 The area of Pacific ocean is

166,000,000 Sq Km

100 Earth Surface covered by water is

More than 70%


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