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General Knowledge (Science)

Description: General Science GK Online Test Preparation and Practice Test and Study Materials
Number of Questions: 25
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Tags: Science Awareness Quiz Biology Botany Zoology Science Aptitude Chemistry Space and Astronomy General Biology Physics General Science and Scientific Terminology General science & Scientific Terminology
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The metal mercury

  1. is the hardest known metal

  2. is liquid at room temperature

  3. is highly radioactive

  4. is extensively used in the construction of aircrafts


Correct Option: B

The most prominent crater on the moon is

  1. Brahe

  2. Tycho

  3. Mare

  4. Kepler


Correct Option: B

Rain which does not reach the ground is known as

  1. virga

  2. dew

  3. fog

  4. smog


Correct Option: A

Energy moving in waves through spaces is known as

  1. electromagnetic radiation

  2. inertia

  3. potential energy

  4. kinetic energy


Correct Option: A

What portion of your body is water?

  1. 1/5

  2. 3/5

  3. 2/5

  4. 4/5


Correct Option: B

How far is the sun from the earth?

  1. 93 million miles

  2. 52 million miles

  3. 3 billion miles

  4. 537 million miles


Correct Option: A

Water fluoridation greatly reduces

  1. prostate cancer

  2. breast cancer

  3. tooth decay

  4. epilepsy


Correct Option: C
Explanation:

Correct Answer: tooth decay

What percentage of body weight does blood make up in human?

  1. 20%

  2. 15%

  3. 40%

  4. 5%


Correct Option: D

Unlike most other fish, sharks have no

  1. bones

  2. teeth

  3. gills

  4. livers


Correct Option: A

What is chemical change?

  1. Chopping onions

  2. Exploding a fire cracker

  3. Melting of ice

  4. Boiling alcohol


Correct Option: B
Explanation:

Physical property: chopping and melting and boiling point is associated with a phase change. It describes an inherent characteristic of alcohol and ice. Chemical change involves a chemical reaction. At least one new substance is formed.

The Milky Way galaxy is

  1. a round ball

  2. a triangle

  3. a pretzel

  4. a flat spiral


Correct Option: D

What causes an object to accelerate?

  1. Force

  2. Work

  3. Speed

  4. Velocity


Correct Option: A

Which of the following can move its eyes in two directions at the same time?

  1. Turtle

  2. Cheetah

  3. Chameleon

  4. Elephant


Correct Option: C
Explanation:

Correct Answer: Chameleon

Which of the following is the centre of the solar system?

  1. Moon

  2. Earth

  3. Mars

  4. Sun


Correct Option: D
Explanation:

Correct Answer: Sun

According to the scientists, an era is one ___ year long.

  1. trillion

  2. million

  3. billion

  4. thousand


Correct Option: C

Which is a compound?

  1. Vinegar

  2. Salt

  3. Milk

  4. Tin


Correct Option: B

In order for oxidation to occurs, which process must also takes place

  1. Osmosis

  2. Fermentation

  3. Distillation

  4. Reduction


Correct Option: D

Which of the following is responsible for connecting your muscles to your bones?

  1. Tendons

  2. Cartilage

  3. Ligaments

  4. Capillaries


Correct Option: A

Gravity too strong to permit anything to escape is present in

  1. the solar system

  2. a black hole

  3. a gravity bag

  4. a gas planet


Correct Option: B
Explanation:

Correct Answer: a black hole

The hormone prolactin is known to stimulate or increase

  1. blood sugar

  2. muscle growth

  3. milk production

  4. metabolism


Correct Option: C

Which gland is located behind breastbone?

  1. Pituitary

  2. Thyroid

  3. Thymus

  4. Adrenal


Correct Option: C

Can giraffes swim?

  1. No

  2. Yes

  3. May be

  4. Probable yes


Correct Option: A

Traditionally, which family of mammals uses a foul-smelling spray as a form of self-defence?

  1. Canid

  2. Felid

  3. Mustelid

  4. Viverrid


Correct Option: C

Who among the following walked on moon?

  1. Charles Conrad Jr.

  2. Alan Shepard

  3. Alan Bean

  4. Buzz Aldrin


Correct Option: D

Which of the following measures the speed and the direction that an object travels?

  1. Velocity

  2. Speed

  3. Energy

  4. Force


Correct Option: A
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