Lakshya Education MCQs

Question: Rain water on roads dry up during a sunny day. This is an example of ________.
Answer: Option B
: B

Evaporation is the process in which liquids turn into gas. The roads dry up after a rainy day as the water absorbs heat from sunlight and evaporates.

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Question 1. ______ is the water present beneath Earth's surface which seeps into the soil or through the rocks.
  1.    Underwater
  2.    Groundwater    
  3.    Rockwater    
  4.    Saltwater
Answer: Option B
: B

Water that seeps through rocks and soil gets collected in underground reservoirs. This water is then pumped out or collected from wells for everyday use.
Question 2. Which method of rainwater harvesting is shown in the image?

  1.    Surface run off
  2.    Rooftop harvesting    
  3.    Slope harvesting    
  4.    Road run off
Answer: Option A
: A

In this method, rain is allowed to flow on the ground and then collected into small tank below the ground level. This is all the excess water that cannot be absorbed by the soil.
Question 3. Which is the second largest ocean on the Earth?
  1.    Indian Ocean
  2.    Pacific Ocean
  3.    Arctic Ocean
  4.    Atlantic Ocean
Answer: Option D
: D

The Atlantic Ocean is the second largest ocean on the Earth. It covers almost 20% of the Earth's Surface. The largest ocean is Pacific Ocean.
Question 4. Arjun noticed that tiny droplets of water have formed outside a cold bottle of water. Which process is this?
  1.    Precipitation
  2.    Condensation    
  3.    Evaporation    
  4.    Infiltration
Answer: Option B
: B

The water vapour around us in air cools down when in contact with a cold object. Hence, droplets of water are seen on the surface of cold bottle.
Question 5. Water cycle is also known as:
  1.    Upward Cycle
  2.    Rain Cycle    
  3.    Hydrological Cycle  
  4.    Flow Cycle
Answer: Option C
: C

"Hydro" was derived from the Greek word hudōr which means water.

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