Question 41 MarkPollution of air, water and soil can disturb the environmental balance.AnswerTrueView full question & answer→
Question 51 MarkA mouse can be a link of two different food chains.AnswerTrueView full question & answer→
Question 61 MarkIn a given environment we always see only one type of food chain.AnswerFalseView full question & answer→
Question 71 MarkWhen substances present in nature are used up by the living organisms they are returned back to the soil after decomposition of their dead bodies.AnswerTrueView full question & answer→
Question 81 MarkTigers, Lions and Leopards harm the environment.AnswerFalseView full question & answer→
Question 91 MarkIf forests are destroyed environmental balance is disturbed.AnswerTrueView full question & answer→