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प्रश्न
Quite a few species of plants and animals are endangered in India. Why?
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उत्तर
Due to the excessive exploitation of the plant and animal resources by human beings, the ecosystem has been disturbed. In consequence, about 1,300 plant species are endangered and 20 species are extinct. Quite a few animal species are also endangered and some have become extinct.
Apart from hunting, other factors that have caused endangerment of plant and animal species are: pollution due to chemical and industrial waste, and acid deposits; introduction of alien species; reckless cutting of forests to bring land under cultivation and inhabitation.
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संबंधित प्रश्न
Distinguish between tropical evergreen and deciduous forests.
Match the columns:
| (a) Evergreen Forests | (i) Sundar trees |
| (b) Deciduous Forests | (ii) Pine |
| (c) Coastal Forests | (iii) Pau Brasil |
| (d) Himalayan Forests | (iv) Khejadi |
| (e) Thorny and bush-type vegetation | (v) Teak |
| (vi) Orchid | |
| (vii) Sal |
Give geographical reasons.
Vegetation is scarce in the high altitudes of Himalayas.
Name the chief types of natural vegetation found in India.
In the north most region of India ______ forests are found.
Write answer in one sentence-
Which type of forest is found in swampy regions of India?
Plant a tree either on your birthday or one of your family member’s birthday. Note the growth of the tree and notice in which season it grows faster.
Give geographical reasons.
Vegetation is scarce in regions of Rajasthan.
Match the columns :
| Column 'A' | Column 'B' |
| a. Evergreen Forests | i. Sundar trees |
| b. Deciduous Forests | ii. Pine |
| c. Coastal Forests | iii. Pau Brasil |
| d. Himalayan Forests | iv. Khejadi |
| e. Thorny and bush-type vegetation | v. Teak |
| vi. Orchid |
Identify the odd man out.
With reference to flora of India-
