Tag: biology

Questions Related to biology

Wetland covers at least .......... of the earth.

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. 20%

  2. 10%

  3. 15%

  4. 6%

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Correct Option: D

Seeding clouds was started in

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. 1950

  2. 1946

  3. 2000

  4. 1814

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Correct Option: B
Explanation:
Cloud seeding is a type of weather modification. This method was started in 1946. This is done in order to increase the amount of rain in a particular region. This method focusses on to change the amount of precipitation that falls from clouds. The method uses dispersing of certain substances into the air that will serve as cloud condensation or ice nuclei. These materials can alter the processes within the cloud. 
Thus, the correct answer is option B. 

Identify the water management system.

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. PMC

  2. CCT

  3. Oxygenation

  4. None of the above

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Correct Option: B

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

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. Water harvesting

  2. Water management

  3. Percolation

  4. None of the above

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Correct Option: B

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

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. Agricultural practices

  2. Food preservation

  3. Soil conservation

  4. Water harvesting

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Correct Option: D

Wetlands of the world occupy land

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. 6%

  2. 10%

  3. 12%

  4. 14%

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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

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. Forest conservation

  2. Wildlife conservation

  3. Wetland conservation

  4. Biodiversity conservation

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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

basics of management of water environmental science conservation of resources food production: soil and water management biology

  1. Recharging of ground water

  2. Controlling floods

  3. Purify run-off water

  4. All the above

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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?

basics of management of water environmental science conservation of resources food production: soil and water management biology

  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

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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:

basics of management of water environmental science conservation of resources food production: soil and water management biology

  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.

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Correct Option: A