Natural Vegetation of India
Theme 4 : India - A Diverse Country (My Watch Tower Social Studies)
Time to Camp - Exercises
A. Choose the correct answers and fill the OMR box.
1. Currently, only about ________ per cent of India's total area is covered with forests.
a. 21.33. [ ]
b. 21.34. [✓]
c. 21.35. [ ]
d. 21.36. [ ]
2. Tropical evergreen forests are found in areas with more than __________ cm rainfall.
a. 200. [✓]
b. 250. [ ]
c. 300. [ ]
d. 175. [ ]
3. The trees of __________ forest shed their leaves once a year.
a. mountain. [ ]
b. tidal. [ ]
c. deciduous. [✓]
d. thorn. [ ]
4. __________ plants can survive without water for long durations.
a. Mangrove. [ ]
b. Deciduous. [ ]
c. Evergreen. [ ]
d. Thorny. [✓]
5. The Gir National Park is situated in _________ .
a. Uttarakhand. [ ]
b. Punjab. [ ]
c. Gujarat. [✓]
d. Assam. [ ]
B. Fill in the blanks.
1. The Asiatic Lion is found in the Gir National Park.
2. The Chipko Movement was started in the 1970s by Sunderlal Bahuguna.
3. Some popular trees of thorn forests are keekar and babool.
4. Monsoon forests are found in the areas with rainfall between 70 and 200 cm.
C. State whether true or false.
1. The natural vegetation of a region is controlled by the weather conditions of that region. [F]
2. A canopy is made of the uppermost branches of tall trees. [T]
3. In India, the one-horned rhino is found in the Kaziranga National Park. [T]
4. The trees in the tidal forests can survive in both salty and fresh water. [T]
D. Answer these questions.
1. What is meant by the natural vegetation of a country?
= Natural vegetation refers to plant life that grows naturally without human intervention and is influenced by the climatic conditions of a region.
2. What are forests? Name the forests found in India.
= Forests are large areas covered with trees. They are home to a large number of plants and animals. They provide us with oxygen which is essential for living.
The names of the forest found in India are - Mountain forests, Tropical evergreen forests, Tropical deciduous forests, Thorn forests and Tidal forests.
3. Write a note on mountain forests of India.
= Mountain forests are found in the foothills of the Himalayan mountains and parts of the Nilgiri Hills in South India. Some of these forests are also called coniferous forests with plants that have needle-like leaves that do not allow the snow to settle on them. Some trees found in these forests are chir, deodar, fir, chestnut, cedar, pine and spruce. The pulp and wood of these trees are used to make paper.
4. Distinguish between tropical evergreen and tropical deciduous forests of India.
=
|
Tropical Evergreen Forests |
Tropical Deciduous Forests |
|---|---|
|
1. They are found in areas with more than 200 cm rainfall. |
1. They are found in areas with rainfall between 70 and 200 cm. |
|
2. They remain green throughout the year. |
2. They shed their leaves once a year. |
|
3. They are found in hot and wet regions. |
3. They are found along the foothills of mountains. |
|
4. Examples – Mahogany, ebony, bamboo and rosewood. |
4. Example – Teak, sandalwood, mahua, semul and sal. |
5. State some of the adaptations shown by the trees in the thorn forests.
= Some of the adaptations shown by the trees in the thorn forests are - long roots, tiny leaves, sharp thorns and thick barks.
Picture Study
Look at the picture and answer the questions.
1. What type of forest is being shown here?
= Tidal forest is being shown here.
2. Where in India can we find this kind of forest?
= In India, most of the delta regions of the Ganga and Brahmaputra have tidal forests. The Sundarbans in India is an example of tidal forests in India.
3. How do the plants and trees in these forests survive?
= The trees in tidal forests can survive in both salty and fresh water. They have breathing roots that are seen above the water.