Q. 125.0( 2 Votes )
State whether the following statements are true or false. If false, give the correct statement.
(a) Forests influence climate, water cycle and air quality.
(b) In a forest, trees form the uppermost layer, followed by herbs. The shrubs form the lowest layer of vegetation.
(c) The forest keeps on growing and changing and can regenerate.
(d) Forests protect the soil from erosion.
Reason- Forests keep a check on climate, water cycle and air quality. Forests maintain the climate and water cycle through rain and air quality by maintaining the carbon dioxide and oxygen level in the environment.
In a forest, trees form the uppermost layer, followed by shrubs. The herbs form the lowest layer of vegetation.
Reason- Herbs are smaller than shrubs.
This is a picture showing difference in the height of herbs, shrubs and trees.
Reason- The forest keeps on changing as the climate conditions changes. New plants are grown by the seed dispersed by animals or air.
Reason- The forest helps in prevention of soil erosion as the roots bind to the soil and hence does not allow the removal of the top layer of soil.
Rate this question :
Fill in the blanks:
a. The insects, butterflies, honeybees and birds help flowering plants in _________.
b. A forest is a purifier of ________ and _______.
c. Herbs form the ________layer in the forest.
d. The decaying leaves and animal droppings in a forest enrich the _______.NCERT Science
In Fig. 17.15, the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels:
clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil,
roots, water table.
Which of the following statements is not correct?
i. Forests protect the soil from erosion.
ii. Plants and animals in a forest are not dependent on one another.
iii. Forests influence the climate and water cycle.
iv. Soil helps forests to grow and regenerate.NCERT Science
Which of the following is not a forest product?
iii. Sealing wax
iv. KeroseneNCERT Science
Explain the role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere.NCERT Science
Explain how forests prevent floods.NCERT Science
List five products we get from forests?NCERT Science