Forest help to balance the levels of oxygen and _____________ in the atmosphere .

Forest help in purifying air and maintain _______________  balance .

__________________ layer has many shrubs and bushes of approximately 1-2 meters of height from the forest floor.

The branchy part of a tree above the stem is called _____________ .

  The different types of vegetation present in a forest provide __________________to animals ,birds and insects which live there. .

Forest play vital role in releasing huge amounts of oxygen into the ____________________ .

Which of the following are correct ?

(a) Forest play vital role in releasing huge amounts of oxygen into the air.

(b) The plants consume a large amount of carbon dioxide gas which is the raw material for the process of photosynthesis .

Which of the following are correct ?

(a) The uppermost branches and leaves of the tall trees which act like a roof over the forest ground is called canopy. It is the highest layer of vegetation in the forest.

(b) The branchy part of a tree above the stem is known as the crown of the tree.

Which of the following are correct ?

(a) Forest is an area with large number of plants, variety of animals and other non-living organisms.

(b) Forest constitute about 31% of total global land area.

Which of the following are correct ?

(a) Forest help to balance the levels of oxygen and carbon dioxide in the atmosphere .

(b) Forest are renewable resources and play an important role in maintaining the environment.

(c) There are large number plants in a forest.