TNPSC Online Quiz

Q1

What are the three states of water?

A Solid, liquid, gas B Solid and gas only C Liquid and gas only D Solid only

Q2

Why does the Moon shine?

A Its own light B Reflection of sunlight C Water D Air

Q3

Which material does not conduct electricity?

A Copper B Aluminium C Plastic D Iron

Q4

Which is the largest planet in the solar system?

A Earth B Mars C Jupiter D Saturn

Q5

Through which medium can sound travel?

A Vacuum B Liquid only C Solid, liquid and gas D Light

Q6

What type of star is the Sun?

A Cold star B Hot star C Small star D Dark star

Q7

What is the boiling point of water?

A 50°C B 100°C C 0°C D 75°C

Q8

Which organ circulates blood in the human body?

A Brain B Heart C Lungs D Liver

Q9

How long does Earth take to revolve around the Sun?

A 24 hours B 30 days C 365 days D 12 hours

Q10

Where does digestion begin?

A Stomach B Mouth C Kidney D Liver

Q11

Which gas is present most in the air?

A Oxygen B Carbon dioxide C Nitrogen D Helium

Q12

What is the path through which electricity flows called?

A Way B Circuit C Line D Track

Q13

What is the process by which plants prepare their food?

A Respiration B Photosynthesis C Digestion D Growth

Q14

Which gas do trees release?

A Oxygen B Carbon dioxide C Nitrogen D Hydrogen

Q15

What is needed for the growth of living things?

A Food B Air C Water D All of these

Q16

Which phenomenon shows that light travels in a straight line?

A Formation of shadow B Rain C Wind D Vibration

Q17

Which gas do plants take in?

A Oxygen B Nitrogen C Carbon dioxide D Helium

Q18

What causes a bulb to glow?

A Water B Electricity C Air D Soil

Q19

Which part of the plant carries water upward?

A Root B Leaf C Stem D Flower

Q20

Which organ helps us hear?

A Eye B Nose C Ear D Mouth

Q21

Bones are part of which system?

A Respiratory system B Circulatory system C Skeletal system D Digestive system

Q22

What are the basic needs of living things?

A Air, water, food B Only soil C Only light D Only heat

Q23

What is the natural satellite of Earth?

A Sun B Mars C Moon D Jupiter

Q24

What is the main function of lungs?

A Purify blood B Breathing C Digest food D Store water

Q25

What is the melting point of ice?

A 0°C B 100°C C 50°C D 25°C

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