Tag: issues of the environment

Questions Related to issues of the environment

Which of the following is non-essential in an ecosystem:-

evs - i issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. $Co _2$

  2. Grass

  3. soil

  4. Fungi

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Correct Option: D
Explanation:
Fungi are saprophytes, i.e they absorb nourishment from dead and decaying organisms.
They belong to the detritus cycle which includes bacteria and other microorganisms. So do not form the essential component of the ecosystem
So, the correct answer is 'Fungi'

A drop of water is an example of :- 

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Micro ecosystem

  2. Macro ecosystem

  3. Nano ecosystem

  4. Both B & C

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Correct Option: C
Explanation:
A drop of water is an example of nano ecosystem. Nano-ecosystems are smaller ecosystems that are specially contained within larger ecosystems but have individual characteristics. It is part of mega ecosystem. 
So, the correct option is 'macro ecosystem'.

The ocean covers ___________ percentage of Earth's surface.

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. 51%

  2. 61%

  3. 71%

  4. 91%

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Correct Option: C

The abiotic and biotic components constitute the structure of an

evs - i issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. energy flow

  2. environment

  3. atmosphere

  4. Ecosystem

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Correct Option: D

The inherent ability of organisms to reproduce and multiply is called

evs - i issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. C value

  2. biotic potential

  3. carrying capacity

  4. K value

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Correct Option: B

Definition of ecosystem is

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. The community of organisms together with the environment in which they live

  2. The abiotic component of a habitat

  3. The part of the earth and its atmosphere which inhibits living organisms

  4. A community of organisms interacting with one another

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Correct Option: A

Initial development of an 'ecosystem' is known as

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Primary succession

  2. Secondary succession

  3. Tertiary succession

  4. All of above

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Correct Option: A

Applied and basic aspects of environmental science require a solid foundation in

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Anthropogenic

  2. Natural Sciences

  3. Multi-disciplinary nature

  4. All of Above

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Correct Option: B

What does environment include?

evs - i issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Biotic and abiotic factors

  2. Animals and Plants

  3. Microorganisms

  4. Non-living things

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Correct Option: A

Function of an ecosystem means

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Rate of biological flow, nutrients and ecological regulations

  2. Temperature zone for stability

  3. Light emitting diodes

  4. Life cycle of species

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Correct Option: A