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प्रश्न
Mention two reasons why Tropical Evergreen Forests are difficult to exploit for commercial purposes.
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उत्तर
Tropical evergreen forests do not occur in pure stands. The forests are dark and dense so difficult for commercial exploitation.
संबंधित प्रश्न
Why has India a rich heritage of flora and fauna?
Correlate wildlife and natural vegetation in India and Brazil.
Give geographical reason.
Vegetation is scarce in the high altitudes of Himalayas.
Give one use of each of the following trees: mahogany, rosewood, ebony, cinchona, bamboo.
From the following information about the regions A, B, C, state the kind of natural vegetation growing there and mention the name of a typical tree of the respective region:
A : Annual rainfall 100-200 cm. Trees shed their leaves in March and April.
B : Annual rainfall less than 50 cm. Trees are stunted and widely scattered.
C : Forests are found in submerged coastal plains, especially on the edges of deltas.
Identify the correct co-relation and complete the chain.
| Type of forest | Trees | Characteristics | |
| 1. | Coastal forest | Khair | Trees shed their leaves |
| 2. | Evergreen forest | Sundri | Soft, durable and oily wood |
| 3. | Deciduous forest | Mahogany | Short leaved tree |
| 4. | Thorny and shrub forest | Teak | Broad and evergreen leaves |
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.
Match the columns:
| Group (A) | Group (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 | |
| (vii) Sal |
Identify the odd man out.
With reference to flora of India:
Mahesh went for an excursion with his friend and came across a marshy area with trees that had stilt like roots.
Name an area in India where this kind of vegetation is found.
