NATURAL VEGETATION AND WILDLIFE

NATURAL VEGETATION AND WILDLIFE

 Q.1 : 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 forests 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?


ANS : (i) Temperature and moisture are the two factors on which the growth of vegetation mostly depends.

(ii) The three broad categories of natural vegetation are forests, grasslands and shrubs.

(iii) Rosewood and ebony are hardwood trees commonly found in tropical evergreen forests.

(iv) Tropical deciduous forests are monsoon forests found in large parts of India, Northern Australia and Central America.

(v) Citrus fruits are cultivated in Mediterranean climate, i.e., regions experiencing hot, dry summers and mild, rainy winters.

(vi) Coniferous forests are home to softwood trees. The woods of these trees are used for making pulp, which is used for manufacturing paper and newsprint. Match boxes and packing boxes are also made from softwood.

(vii) Seasonal grasslands or temperate grasslands are found in the mid-latitudinal zones and in the interior parts of continents.



 Q.4 : Give reasons.
(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.

ANS : (i) The Polar region is characterised by extremely cold weather. The animals found in this region have thick fur and thick skin to protect themselves from the cold climatic conditions.

(ii)The tropical deciduous trees are found in regions characterised by seasonal changes. The trees shed their leaves in the dry season to conserve water.

(iii)Growth of vegetation depends upon factors like temperature, moisture, slope and thickness of soil. Due to the variations in these factors from place to place, the type and thickness of vegetation also varies from place to place

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