Tag: marine life

Questions Related to marine life

Oxygen is contributed to the atmosphere by 

zoology environmental factors environmental factors and their measurements climate factors marine life

  1. Green plants

  2. The weathering of rocks

  3. Fossil-fuel combustion

  4. All the above

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Correct Option: A
Explanation:

Photosynthesis is a process that converts $CO _2$ into organic compounds and starch (carbohydrate) using energy from sunlight. $O _2$ is also released during this process.

Who has passed environment protection acts ?

botany environmental factors environmental factors and their measurements climate factors marine life

  1. Maharashtra pollution control board

  2. State Pollution Control Board

  3. United Nations Environment Program

  4. Government of India

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Correct Option: C
Explanation:

The UNEP (United Nations Environment Program) has passed many environmental conservation acts. To create awareness of the condition, to encourage participation on public level, developing International Environmental Law etc. are its objectives.

Marked temperature changes in aquatic environment can affect 

zoology environmental factors environmental factors and their measurements climate factors marine life

  1. availability of food

  2. growth of plants

  3. breedingofanimals

  4. the amount of oxygen dissolved in water

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Correct Option: C
Explanation:

Aquatic organisms are used to a certain range of temperature in the water-body where they live. A sudden marked change in this temperature can be dangerous for them. It affects breeding of aquatic animals. The eggs and larvae of various animals are particularly susceptible to temperature changes.

Terrestrial vegetation has rapid exchange of oxygen, water and

botany environmental factors environmental factors and their measurements climate factors marine life

  1. climate

  2. Nutrients

  3. Carbon dioxide

  4. Precipitation

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Correct Option: C

Organisms which are predominantly found living on, in or near bed sediments of rivers or lakes are known as

zoology environmental factors environmental factors and their measurements climate factors marine life

  1. nektonic

  2. neuston

  3. benthic

  4. planktonic

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Correct Option: C

'Marine' biome includes:

botany environmental factors environmental factors and their measurements climate factors marine life

  1. Swamps and springs

  2. Rivers, Lakes and Ponds

  3. Streams and Lakes

  4. Deep Sea and Oceans

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Correct Option: D

The following evidences rejected with atmospheric pressure theory. Which of them is incorrect ?

botany environmental factors environmental factors and their measurements climate factors marine life

  1. It can raise water to height of 33 feet only if complete vaccum is created.

  2. Free surface of water is required for proper operation of atmospheric pressure because of transpiration.

  3. Pressure falls below that of atmospheric pressure because of transpiration.

  4. Water rises rapidly to compensate the water loss because of atmospheric pressure.

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Correct Option: B