The animals in polar region have thick fur and thick skin.
Answer: Thick fur and thick skin help these animals in fighting the extremely cold climate.
Tropical deciduous trees shed their leaves in the dry season.
Answer: Leaves are shed in dry season to conserve water.
The type and thickness of vegetation changes from place to place.
Answer: Type and thickness of vegetation depends on temperature and rainfall. Temperature and rainfall vary from place to place. Hence, type and thickness of vegetation changes from place to place.
| Column I | Column II |
|---|---|
| (i) Walrus | (a) Soft wood tree |
| (ii) Cedar | (b) An animal of tropical deciduous forest |
| (iii) Olives | (c) A polar animal |
| (iv) Elephants | (d) Temperate grassland in Australia |
| (v) Campos | (e) Thorny shrubs |
| (vi) Downs | (f) A citrus fruit |
| (g) Tropical grassland of Brazil |
Answer: 1 - c, ii - a, iii - f, iv - b, v - g, vi - d
Which are the two factors on which the growth of vegetation mostly depends?
Answer: Temperature and moisture
Which are the three broad categories of natural vegetation?
Answer: Forests, grasslands and shrubs
Name the two hardwood trees commonly found in tropical evergreen forest.
Answer: Rosewood and ebony
In which part of the world are tropical deciduous forest found?
Answer: The large part of India, northern Australia and in central America
In which climatic conditions are citrus fruits cultivated?
Answer: Hot dry summers and mild rainy winters.
Mention the uses of coniferous forest.
Answer: Making paper, matchboxes and packing boxes
In which part of the world is seasonal grassland found?
Answer: In the mid latitudinal zones and in the interior part of the continents.
Mosses and Lichens are found in:
Thorny bushes are found in:
In tropical evergreen forest, one of the common animals is:
One important variety of coniferous forest is:
Steppe grassland is found in
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