Question

dhatu roop of chal in lat lakar

Answer 1

I. (a) Man’s dependence on animals and plants cannot be ignored. Animals are killed for meat and skin, trees are cut down for timber and paper, plants are uprooted for food and medicine.
(b) Many countries have passed protective laws in order to safeguard the wild life. There are more than 1,200 national parks, wildlife reserves and similar protected areas throughout the world to ensure that rare wild animals and precious trees are saved from extinction.
(c) When an area is wholly cleared of vegetation to make room for new towns, factorysites and hydro-electric plants, the natural home for several species is destroyed. The displaced animals either migrate or perish. This is called the 'march of civilization'.
(d) Civilization has brought about swift and easy transport to assist those who are determined to break various protective laws. Thieves can elude miles away before the dead or dying victim is discovered.

II.
(a) Dinosaurs could not adapt themselves to the new and changing environment, as a result they perished.
(b) Thieves kill wild animals for their tusks, horns, meat i.e. for their overall material gains.
(c) Man is called heartless criminal because for material gain, he slaughters some harmless animals and threatens the extinction of its kind from the earth for ever.
(d) Pushing back of jungle has made the area smaller for wild animals to compete for a living which results in smaller number of animals which can survive in the jungle.

Answer 2

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