Tag: environmental science

Questions Related to environmental science

Storing of water and to make it available even after the rainy season is called as

  1. Water harvesting

  2. Water management

  3. Percolation

  4. None of the above


Correct Option: B

Which of the following practices can be related to the collection of rainwater?

  1. Agricultural practices

  2. Food preservation

  3. Soil conservation

  4. Water harvesting


Correct Option: D

Wetlands of the world occupy land

  1. 6%

  2. 10%

  3. 12%

  4. 14%


Correct Option: A
Explanation:

Wetlands represent approximately 6% of the worlds land surface, while the give percentage in options B, C, D are wrong.

So, the correct answer is '6%'

The objective of Ramsar Convention was

  1. Forest conservation

  2. Wildlife conservation

  3. Wetland conservation

  4. Biodiversity conservation


Correct Option: C
Explanation:
The Convention on Wetlands of International Importance was called the Ramsar Convention. It is an intergovernmental treaty that provides the framework for national action and international cooperation for the conservation and wise use of wetlands and their resources. The treaty was adopted in the Iranian city of Ramsar in 1971 and it came into force in 1975. It is the only global environmental treaty that deals with a particular ecosystem.
So, the correct answer is 'Wetland conservation'.

An important function of wetlands is

  1. Recharging of ground water

  2. Controlling floods

  3. Purify run-off water

  4. All the above


Correct Option: D
Explanation:

Wetlands are a critical part of our natural environment. They protect our shores from wave action, reduce the impacts of floods, absorb pollutants and improve water quality. They provide habitat for animals and plants and may contain a wide diversity of life, supporting plants and animals.
So, the correct answer is 'All the above'

What is a wetland complex?

  1. Set of wetlands dependent on each other

  2. A wetland with velocity of vegetation and water types

  3. Wetlands which form a boundary of a large water body

  4. All of the above


Correct Option: A
Explanation:

A wetland complex consists of two or more individual wetlands with overlapping riparian management areas or more.

So, the correct option is 'Set of wetlands dependent on each other'.

Infrared and visible satellite images might provide:

  1. A way of determining cloud thickness and altitude.

  2. A way of distinguishing between wet and dry clouds.

  3. A way of identifying clouds suitable for cloud seeding.

  4. A way of distinguishing between "new" and "old" clouds.


Correct Option: A

______________ are used for converting saline or brackish water into pure distilled water.

  1. Photo voltaic cells

  2. Solar desalination systems

  3. Solar cookers

  4. Solar water-heating


Correct Option: B

Bring out the Incorrectly matched pair:

  1. Chandertal Wetland - Himchal Pradesh

  2. Pangong Tsar - Jammu & Kashmir

  3. Pichola Lake - Rajasthan

  4. Kolleru Wetland - Karnataka


Correct Option: D

The Water (Prevention and Control of Pollution) Act was enforced in the year____

  1. 1985

  2. 1965

  3. 1974

  4. 1865


Correct Option: C
Explanation:

The Water Act. defined water pollution and water quality standards. It prescribes penalties to the offenders.