CBSE Class 4 Social Science Realms Of The Earth MCQs

Question: How many domains does the Earth have?

a) 4

b) 3

c) 2

d) 1

Answer: 4

Question: How many realms are present in the Earth?

a) 4

b) 3

c) 2

d) 1

Answer: 4

Question: Which layer or realm of the Earth deals only with water?

a) Hydrosphere

b) Biosphere

c) Lithosphere

d) Atmosphere

Answer: Hydrosphere

Question: Which realm of the Earth mainly deals with Land.

a) Lithosphere

b) Hydrosphere

c) Biosphere

d) Atmosphere

Answer: Lithosphere

Question: How many layer does the atmosphere have?

a) 5

b) 6

c) 4

d) 3

Answer: 5

Question: Which realm of the Earth mainly deals with Air or gases?

a) Atmosphere

b) Lithosphere

c) Hydrosphere

d) Biosphere

Answer: Atmosphere

Question: About what percentage of Earth is covered with water?

a) 70

b) 80

c) 60

d) 50

Answer: 70

Question: Which realm deals mainly with Living organisms.

a) Biosphere

b) Hydrosphere

c) Lithosphere

d) Atmosphere

Answer: Biosphere

Question: About what percentage of Earth is covered by land masses?

a) 30

b) 40

c) 50

d) 20

Answer: 30

Question: The core can mainly be divided into how many parts?

a) 2

b) 3

c) 4

d) 5

Answer: 2

Question: Natural Resources like coal, petroleum etc are found in which layer?

a) Lithosphere

b) Hydrosphere

c) Biosphere

d) Atmosphere

Answer: Lithosphere

Question: Depending upon height and slope, land has been divided into ________ major landforms

a) 3

b) 2

c) 1

d) 4

Answer: 3

Question: Earth is also called as the _________ planet?

a) Green

b) Red

c) Blue

d) Colourful

Answer: Green

Question: Which of these is a source of pure drinking water?

a) Underground

b) Ponds

c) Seas

d) Ocean

Answer: Underground

Question: Earth is called the blue planet due to the presence of

a) Water

b) Living organisms

c) Air

d) Land

Answer: Water

Question: What is the most important source of salt for us?

a) Oceans

b) Ponds

c) Bays

d) Rivers

Answer: Oceans

Question: Which amongst these is the largest water body?

a) Oceans

b) Seas

c) Bays

d) River

Answer: Oceans

Question: Which gases present in the atmosphere, Supports life on Earth?

a) Oxygen

b) Hydrogen

c) Nitrogen

d) Carbon dioxide

Answer: Oxygen

Question: Which of thee following gases is the most abundantly present gas on this planet?

a) Nitrogen

b) Carbon dioxide

c) Hydrogen

d) Oxygen

Answer: Nitrogen

Question: What is the full extend of biosphere?

a) 20 km

b) 15 km

c) 10 km

d) 5 km

Answer: 20 km

Question: In which layer are all the necessary Survival elements and ecosystems found?

a) Biosphere

b) Hydrosphere

c) Lithosphere

d) Atmosphere

Answer: Biosphere

Question: The _________ causes rainfall. Which is a very important weather phenomenon

a) Water cycle

b) Life cycle

Answer: Water cycle

Question: What prevents Sun’s harmful rays for reaching us?

a) Atmosphere

b) Lithosphere

c) Hydrosphere

d) Biosphere

Answer: Atmosphere

Question: _________ is the medium that carries sound waves?

a) Air

b) Water

c) Land

d) None of these

Answer: Air