Biosphere and Biodiversity

Q.

Why should we conserve forests and wildlife?

Q.

Write a note on good practices towards conserving forest and wildlife.

Q.

Describe a forest ecosystem.

Q.

Define the term biosphere.

Q.

What is a bio-reserve? Give two examples.

Q.

What is meant by habitat loss?

Q.

Why should we conserve biodiversity?

Q.

Name the part of the earth which supports life and where living beings exists:

1. Atmosphere

2. Biodiversity

3. Biosphere

4. Ecosystem

Q.

What will happen if the natural habitat of a wild animal is destroyed?

Q.

Forests and animals are interdependent on each other. Justify.

Q.

What name is given to that part of the earth in which living organisms exist (or which supports life)?

Q.

Forests are natural resource. Expain

Q.

The part of earth in which living organisms exist (or which supports life) is called:

(a) lithosphere
(b) globe
(c) hydrosphere
(d) biosphere

Q.

________ is made of all the plants, animals and microorganisms in an area along with non-living components such as climate, soil, river deltas, etc.

1. Biosphere reserve

2. Biosphere

3. Country

4. Ecosystem

Q.

Write one word for the following :
Variety of plants, animals and micro-organisms generally found in an area.

Q.

Why pond is an ecosystem?

Q.

What are the 3 types of habitat loss?

Q.

Which of the following is/are the abiotic components in terrestrial habitats?

1. Lion

2. Fish

3. Rock

4. Deer

Q. Biosphere reserves do not allow tribals to live there.

1. True
2. False

Q.

How is biodiversity linked to our survival ??

Q. Which of the following product are not obtained from forests?

1. Fruits and vegetables
2. Diesel
3. Timber
4. Medicines

Q. Statement 1: Ecosystem consists of all the living components in an area along with the non-living components.

Statement 2: Biodiversity refers to the variety of living organisms in a specific area.

1. Only statement 1 is correct
2. Only statement 2 is correct
3. Both the statements are correct
4. Both the statements are incorrect

Q.

The biosphere reserves help to conserve the biodiversity and culture of an area.

1. True

2. False

Q.

Define (i) biodiversity, and (ii) ecosystem.

Q.

Explain Deforestation. Why is it a threat to the survival of organisms? [5 MARKS]

Q.

Which of the following feeds on phytoplanktons?

1. Silver carp

2. Catla

3. Mrigal

4. All of these

Q. The area where plants or animals normally live is known as:

1. Home
2. Habitat
3. Zoo
4. Atmosphere

Q.

How do humans benefit from ecosystem services?

Q. Biosphere reserves do not allow tribals to live there.

1. True
2. False

Q. Choose the correct statements from the following.
A. Forests are complex habitats and require fertilisers.
B. Wild animals transfer seeds and increase forest areas.
C. Cutting forest trees on a large scale will not disturb the decomposer cycle.
D. Education of people is important in forest conservation.

1. A and D
2. A and C
3. C and D
4. B and D