Class-7 Social Science Geography Chapter-18 Natural Vegetation and Wild Life

 EVENTS CONVENT HIGH SCHOOL

20/01/2021                                    CLASS-7                                  SLOT-2

SOCIAL SCIENCE GEOGRAPHY

CHAPTER -18 NATURAL VEGETATION AND WILDLIFE

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D.      Answer the Following questions:-

Que-1 What are grasslands?

Ans-1 Area which have moderate to low rainfall support vegetation in the form of grass and not trees is called grasslands.

Que-2 Where are tropical grasslands found?

Ans-2 Tropical grass lands are dominant in northern Africa. They are also found in the Brazilian Plateau and Northern Australia.

Que-3 Why is commericla lumbering impossible in the tropical evergreen forest?

Ans-3 Commercial lumbering impossible in the tropical evergreen forest because in this forest mixed variety of hardwood and softwood trees are found on the plains while highlands have softwood coniferous trees.

 Que-4 Give a brief account of the tropical deciduous forests?

Ans-4 These forests are also known as mansoon forests.These are generally found in the monsoon regions of the world where rainfall is around 150cm and the range of temperature is around 20°-48°C. These forests are found widely spread over India.

       The trees are of medium height and shed their leaves in the dry season. There is a dense undergrowth of bushes and shrubs. Some of the important trees are teak, sal, sandalwood, shisham, bamboo, and eucalyptus.

Que-5 Explain in detail about the Mediterranean forests. Give example?

Ans-5 The Mediterranean type of forests are mostly found along the west and the southwest margins of the continents. The main area is around the Mediterranean sea in Europe, Africa and Asia.

DRAW A NATURAL VEGETATION CHART.