Tag: promotion of renewable resources

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Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

Select the non renewable resources from the following

  1. Forest

  2. Soil

  3. Water

  4. Fossil fuels
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Forests, soil and water are renewable resources because they are replaced naturally and hence can be repeatedly used.

Fossil fuels are obtained by the action of the environment on the dead plants and animals for hundreds of years. They are non renewable because they cannot be reused again as their actual form gets converted to a waste product or some other non-usable form.
Thus the correct answer is option D.

Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

Sunlight is ________ natural resource.

  1. Inexhaustible

  2. Exhaustible

  3. Both A & B

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Inexhaustible resource is a natural resource that will never run out so if we take advantage of the greatest  natural resources will not be depleted and will continue to exist, such as water, sunlight, tidal energy, ocean energy and wind energy.

Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

Which alternative energy source has the least long-term impact on the environment?
I.    Solar power
II.  Wind power
III. Nuclear power

  1. I only

  2. II only

  3. III only

  4. I and II only

  5. II and III only
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
I.   Solar power is the energy generated from solar light i.e. the sunlight.
II.  Wind power is the energy generated by the wind.
III. Nuclear power is the energy generated through nuclear reactions.
Since solar light and wind has no danger and has least impact, so solar power and wind power have the least long-term impact on the environment.
So, the correct answer is 'I and II only'
Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

It's a non-renewable resource.

  1. Water

  2. Solar energy

  3. Coal

  4. Soil
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • There are different types of resources. 
  • The non-renewable forms of resources cannot be replenished again when the source gets exhausted. 
  • The coal is an example of a non-renewable source of energy. 
  • Soil, water, and solar energy are examples of the renewable sources of energy.
  • Thus, the correct answer is option C. 
Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

Water is an essential commodity for survival. What can we do to help increase water resources?

  1. Deforestation

  2. Reducing the use of vehicles

  3. The burning of the wastage

  4. Afforestation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Afforestation involves planting trees, which helps in water conservation by reducing runoff, increasing groundwater recharge, and maintaining the water cycle. Deforestation and burning waste are harmful to the environment.

Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

Solar energy is 

  1. Cleanest source of energy.

  2. Helpful in photosynthesis.

  3. Renewable source of energy.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Solar power is energy from the sun that is converted into thermal or electrical energy. Solar energy is the cleanest and most abundant renewable energy source available.
Solar power can be used to generate electricity, it is also used in relatively simple technology to heat water (solar water heaters).

Multiple choice commercial applications water and air and their importance natural resources and their types promotion of renewable resources protecting our environment

Energy source which do not evolve $CO _{2}$


  1. Oil

  2. Coke

  3. Nuclear energy

  4. Other organic substance
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The processes for which any CO2 is not evolved is :

  • all the forms of nuclear energy,
  • hydroelectricity (though dam reservoirs in the tropics might free a little methane, which is a greenhouse gas, because of the decaying of biological debris in the water),
  • sun rays,
  • wind,
  • tidal energy,
  • geothermal energy,
  • biomass if replanted.
  • So the correct option is C.