NCERT Solution for Class 7 Geography Chapter 6 - Natural Vegetation and Wild Life
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NCERT Solution for Class 7 Geography Chapter 6 - Natural Vegetation and Wild Life Page/Excercise 45
Answer the following questions.
(i) Which are the two factors on which the growth of vegetation mostly depends?
(ii) Which are the three broad categories of natural vegetation?
(iii) Name the two hardwood trees commonly found in tropical evergreen forest.
(iv) In which part of the world are tropical deciduous forest found?
(v) In which climatic conditions are citrus fruits cultivated?
(vi) Mention the uses of coniferous forest.
(vii) In which part of the world is seasonal grassland found?
(i) The two factors on which the growth of vegetation mostly depends are temperature and moisture.
(ii) Forests, shrubs and grasslands are the three broad categories of natural vegetation.
(iii) Ebony and Rosewood are the two hardwood trees that are commonly found in the tropical evergreen forests.
(iv) Tropical deciduous forests are found in India, Central America and Northern Australia.
(v) Citrus fruits are known to be cultivated in the Mediterranean climate. They grow best in the regions that have hot, dry summers and mild, rainy winters.
(vi) Coniferous forests tend to be populated with softwood trees. The wood of the softwood trees is used for various purposes – pulp making for paper and newsprint, production of matchboxes, packing boxes, etc.
(vii) Seasonal grasslands can be found in the mid-latitudinal zones and in the interior parts of continents.
Tick the correct answer.
(i) Mosses and lichens are found in
(a) Desert vegetation
(b) Tropical evergreen forest
(c) Tundra vegetation
(ii) Thorny bushes are found in
(a) Hot and humid tropical climate
(b) Hot and dry desert climate
(c) Cold polar climate
(iii) In tropical evergreen forest, one of the common animals is
(iv) One important variety of coniferous forest is
(v) Steppe grassland is found in
(a) S. Africa
(i) – (c) Tundra vegetation
(ii) – (b) Hot and dry desert climate
(iii) – (a) Monkey
(iv) – (b) Pine
(v) – (c) Russia
Match the following
(i) Walrus (a) Softwood 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) A citrus fruit
(vi) Downs (f) Tropical grassland of Brazil
(i) - (c) A polar animal
(ii) - (a) Softwood tree
(iii) - (e) A citrus fruit
(iv) - (b) An animal of tropical deciduous forest
(v) - (f) Tropical grassland of Brazil
(vi) - (d) Temperate grassland in Australia
(i) The animals in Polar region have thick fur and thick skin.
(ii) Tropical deciduous trees shed their leaves in the dry season.
(iii) The type and thickness of vegetation changes from place to place.
(i) The Polar region is the coldest part of the Earth. The animals in the Polar region have to withstand and survive extremely cold climatic conditions. For this purpose, animals in the Polar region have thick fur and thick skin.
(ii) The tropical deciduous trees shed their leaves in the dry season so that they can save water.
(iii) Temperature, moisture and the slope and thickness of soil determine the growth of vegetation. Since these factors change from place to place, the type and thickness of vegetation also varies from place to place.
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