Question 1: 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.
Question 2: Tropical deciduous trees shed their leaves in the dry season.
Answer: Leaves are shed in dry season to conserve water.
Question 3: 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: (i) c, (ii) a, (iii) f, (iv) b, (v) g, (vi) d
Question 1: Which are the two factors on which the growth of vegetation mostly depends?
Answer: Temperature and moisture
Question 2: Which are the three broad categories of natural vegetation?
Answer: Forests, grasslands and shrubs
Question 3: Name the two hardwood trees commonly found in tropical evergreen forest.
Answer: Rosewood and ebony
Question 4: In which part of the world are tropical deciduous forest found?
Answer: The large part of India, northern Australia and in central America
Question 5: In which climatic conditions are citrus fruits cultivated?
Answer: Hot dry summers and mild rainy winters.
Question 6: Mention the uses of coniferous forest.
Answer: Making paper, matchboxes and packing boxes
Question 7: In which part of the world is seasonal grassland found?
Answer: In the mid latitudinal zones and in the interior part of the continents.
Question 1: Mosses and Lichens are found in:
Answer: (c) Tundra vegetation
Question 2: Thorny bushes are found in:
Answer: (b) Hot and dry desert climate
Question 3: In tropical evergreen forest, one of the common animals is:
Answer: (a) Monkey
Question 4: One important variety of coniferous forest is:
Answer: (b) Pine
Question 5: Steppe grassland is found in
Answer: (c) Central Asia
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