Which of the following statements is incorrect?

1

(a)

Forests protect the soil from erosion

(b)

Plants and animals in a forest are not dependent on one another

(c)

Forests influence the climate and water cycle

(d)

Soil helps forest to grow and regenerate

Pick the option which gives the names of a tree and an animal respectively from the following.

1

(a)

Semal and hornbill

(b)

Sal and khair

(c)

Chinkara and blue bull

(d)

Neem and Palash

Which of the products is not obtained from a forest?

1

(a)

Honey

(b)

Catechu

(c)

Gum

(d)

Ginger

Which of the following is not a correct statement?

1

(a)

Forest trees are cut down to obtain timber

(b)

Forest trees are cut down to obtain paper

(c)

Forest trees are cut down to obtain natural rubber

(d)

Forest trees are cut down to obtain firewood

Which one of the following is a role of forests?

1

(a)

Provide, food, shelter, water and medicines

(b)

Prevent soil erosion

(c)

Prevent flood

(d)

All of the above

Forest help in cloud formation as they release _________ in the air.

1

(a)

water vapour

The forest are called green lungs because they supply ______ to the atmosphere.

1

(a)

oxygen

If there are no plants in the soil, heavy rain will cause extensive soil__________

1

(a)

erosian

Different layers provide _______ and ________ for animals

1

(a)

food,shelter

________ helps forests to grow and regenerate.

1

(a)

Soil

Roots of the tree are called crown of the tree.

1

(a) True

(b) False

Plants release CO₂ in the process of photosynthesis.

1

(a) True

(b) False

Forest is self sustaining entity comprising of plants animals and microorganisms.

1

(a) False

(b) True

Various components of forests are not interdependent on each other.

1

(a) True

(b) False

Forests are lifeline for forest dwelling communities.

1

(a) False

(b) True

State the consequence when one food chain is disturbed in an ecosystem.

2

(a)

Give names of any four birds which you expect to see in a forest.

2

(a)

Draw any simple food chain in a pond.

2

(a)

Observe various things in your home and make a list of those which are made from material which may have been obtained from the forest.

2

(a)

Explain how animals dwelling in the forest help it to grow and regenerate.

3

(a)

Explain the role of forests in maintaining the balance between oxygen and carbon dioxide in the atmosphere.

3

(a)

List five products we get from forests.

3

(a)

Sketch a diagram to show how plants maintain the balance between carbon dioxide and oxygen in the atmosphere?

3

(a)

Write the major steps by which we can conserve the forest.

5

(a)

Cycling of papers help in the conservation of the forests. Justify.

5

(a)