Tag: natural resources - air, water and land

Questions Related to natural resources - air, water and land

Multiple choice evs every drop counts natural cycles and resources water sources around us natural resources - air, water and land

 Which of the following is not a source of potable water?

  1. Well

  2. River

  3. Lake

  4. Sea

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Potable water means drinking water. Well, river and lake contain drinking water as these all contain either rainwater and groundwater which is suitable for drinking. The sea which contains salty water that is not suitable for drinking is not a source of potable water.

Multiple choice soil as a natural resource natural resources - air, water and land land physical resources biology

Out of the total cost of various ecosystem services, the soil formation accounts for about:-

  1. $50\%$
  2. $10\%$
  3. $6\%$
  4. $71\%$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Out of the aggregate expense of different ecosystem services, the dirt arrangement represents around 50 percent and commitments of different administrations like the diversion.

So, the correct option is '50%'.

Multiple choice soil as a natural resource natural resources - air, water and land land physical resources biology

Which of the following factors does not lead to soil formation in nature?

  1. The sun

  2. Water

  3. Wind

  4. Polythene bags

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Weathering is the name given to the process by which rocks are broken down to form soils. There are three main types of weathering, physical, chemical and biological. Polythene bags does not lead to soil formation in nature.
When they are thrown on land it makes soil less fertile. They slowly release toxic chemicals that certain animals use as a resource. These are a non-biodegradable waste. So, the correct answer is option D.