Question 11 MarkThe very hot and winterless zone of the earth is called the tropical zone.AnswerTrue.View full question & answer→
Question 31 MarkThe gas which prevents the entry of ultraviolet rays to the earth is ozone.AnswerTrue.View full question & answer→
Question 41 MarkFood chains start with decomposers.AnswerFalse. Food chains start with producers.View full question & answer→
Question 51 MarkThe transfer of energy from one level to another in food chains increases at each level.AnswerFalse. The transfer of energy from one level to another in food chains decreases at each level.View full question & answer→
Question 61 MarkThick vegetation is found in deserts.AnswerFalse : Scarce vegetation is found in deserts.View full question & answer→
Question 71 MarkOzone prevents the entry of ultraviolet rays to the earth.AnswertrueView full question & answer→
Question 81 MarkThe layer of air surrounding earth is called the biosphere.AnswerFalse. The layer of air surrounding earth is called the atmosphere.View full question & answer→