Introduction to Ecosystem and It's Categories

Q.

Define ecosystem.

Q.

How do humans depend on ecosystems?

Q.

Who proposed the term ecosystem?

Q.

Name the following:

Example of a scavenger.

Q.

Term ecosystem was derived from Greek word ‘oikos’ which means

1. Food

2. House

3. Body weight

4. Habitat

Q.

Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?

Q.

Vultures play the role of a ___ in an ecosystem.

1. Herbivores

2. Scavengers

3. Carnivores

4. Decomposers

Q.

What are the ecological services of the freshwater ecosystem?

Q. Which of the following are examples of natural ecosystems?

1. Forests and gardens
2. Ponds and lakes
3. Croplands and prairies
4. Zoos and parks

Q.

Scavengers eat the herbivores.

1. True
2. False

Q.

Which of the following is/are the example(s) of a natural ecosystem?

1. Both Reason and Assertion are true and reason is the correct explanation of assertion.
2. Both assertion and reason are true but reason is not the correct explanation of assertion.
3. Assertion is true but reason is false
4. Both assertion and reason are false

Q.

_______ and ________ are examples of natural ecosystem.

Q. Different biomes are formed due to annual variations _________ over the earth's surface

1. temperature
2. incident solar radiation
3. all of these
4. precipitation

Q.

Which of the following is an example of man-made ecosystem?

1. Tissue culture

2. aquarium

3. herbarium

4. forest

Q.

Which of the following is an example of artificial ecosystem?

1. Cropland

2. Zoo

3. Aquarium

4. Forest

Q. is a area composed of different organisms interacting with each other and physical conditions.

1. Ecosystem
2. Forest
3. Environment

Q. Short / Long Answer Type Questions :
How do vultures and kites form an important constituent of our biotic environment?

Q.

what do you mean by periphery?

Q.

The term ecosystem was coined by

1. A.G. Tansley

2. Warder Clyde Allee

3. Louis Charles Birch

4. Herbert G

Q. Organizations have intervened to protect coral reefs throughout the world. All of these are good reasons to protect coral reefs except

1. They are significant sources for use in the construction trade.
2. They provide protection from storms.
3. They provide homes for fish.
4. They are a source of income for tourism.
5. Organisms living there are sources for medicinal compounds.

Q.

Example for an artificial ecosystem

1. Prairies

2. Both b and c

3. Forest

4. Agricultural crop

Q.

The lentic ecosystem includes:

1. Rain water
2. Running water
3. Gravitational water
4. Standing water

Q.

Treeless terrestrial biome of cold climate is

1. Taiga

2. Tundra

3. Savanna

4. Desert

Q.

Which of the following is an example of man-made ecosystem?

1. forest

2. Tissue culture

3. aquarium

4. herbarium