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5th Grade > Science

OUR ENVIRONMENT MCQs

Total Questions : 38 | Page 2 of 4 pages
Question 11. Movement of cooler air from the sea to the land happens during the night time.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
:
B
The cool air of seamoves toward warm land during daytime due to the pressure difference created between them.
Question 12. Which of the following rock samples contain fossils?
  1.    Pumice
  2.    Granite
  3.    Limestone
  4.    Mica
 Discuss Question
Answer: Option C. -> Limestone
:
C
Limestone is a sedimentary rock which contains fossils as it is made up of shells and skeletons of tiny sea creatures.
Question 13. _______ is the imaginary line that passes through the centre of the Earth.
  1.    String
  2.    Axis
  3.    Golden Line
  4.    Equator
 Discuss Question
Answer: Option D. -> Equator
:
D
Equator is the imaginary line that passes through the centre of the Earth, dividing it into northern and southern hemispheres.
Question 14. The planets revolve around the ___________ in our Solar System.
  1.    meteor
  2.    Sun
  3.    comet
  4.    satellite
 Discuss Question
Answer: Option B. -> Sun
:
B
The Sun is a star around which all the planets revolve. The planets have a fixed path in which they revolve called orbits around the Sun.
Question 15. Granite is a type of ___ which forms from cooling magma.
  1.    lava stone
  2.    igneous rock
  3.    volcanic dust
  4.    sedimentary rock
 Discuss Question
Answer: Option B. -> igneous rock
:
B
Igneous rocks are formed through the cooling of magma or lava. Rocks like granite and basalt are formed when magma cools above the surface of the earth.
Question 16. Carrying away of the particles of the top soil by natural forces like the wind and running water is called
  1.    Soil compaction
  2.    Soil erosion
  3.    Terrace farming
  4.    Soil decay
 Discuss Question
Answer: Option B. -> Soil erosion
:
B
The process by which wind or flowing water washes away the fertile top part of soil is known as soil erosion.
Question 17. The pie chart shows the composition of air.
What do X and Y represent respectively?
The Pie Chart Shows The Composition Of Air.What Do X And Y ...
 
  1.    Carbon dioxide, Nitrogen
  2.    Nitrogen, Oxygen
  3.    Nitrogen, Carbon monoxide
  4.    Helium, Argon
 Discuss Question
Answer: Option B. -> Nitrogen, Oxygen
:
B
Air is a mixture of gases which contains:
-78% of nitrogen
-21% of oxygen
-1% of other gases
In the given pie chart, 'X' represents nitrogen and 'Y' represents oxygen gas.
Question 18. Deer is the first animal in a food chain, which eats plant. What type of consumer is it?
  1.    Primary
  2.    Secondary
  3.    Tertiary
  4.    Producer
 Discuss Question
Answer: Option A. -> Primary
:
A
In any food chain, primary consumer is an organism that feeds on the primary producers(plants).
Question 19.


Which season is marked by more greenery and blooming flowers?Which Season Is Marked By More Greenery And Blooming Flowers...


  1.     Spring
  2.     Summer
  3.     Winter
  4.     Autumn
 Discuss Question
Answer: Option A. -> Spring
:
A

Spring takes place between winter and summer season. So, the temperature during spring season gradually increases. This season gives proper atmosphere to flowers and leaves to bloom.


Question 20.


Which season leaves you thirsty in regular intervals of time?


  1.     Summer
  2.     Winter
  3.     Autumn
  4.     Spring
 Discuss Question
Answer: Option A. -> Summer
:
A

Due to the hot weather in summer, we feel like drinking lots of water to stay hydrated and keep cool.


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