Question 11 MarkFood web is formed due to alternative path for food availability.AnswerTrueView full question & answer→
Question 31 MarkNumber of consumers are always more than producers.AnswerFalseView full question & answer→
Question 71 MarkIn ecosystem food relationships among organisms are in form of food web.AnswerTrueView full question & answer→
Question 81 MarkUV radiation absorbs ozone that is deadly poison at ground level.AnswerFalseView full question & answer→
Question 91 MarkOnly $10 \%$ energy is used at each trophic level from the available energy and remaining is saved for next level of organisms.AnswerFalseView full question & answer→
Question 101 MarkEcosystem is formed only with biotic components.AnswerFalseView full question & answer→
Question 111 MarkOxygen gets released under the effect of ultraviolet rays on ozone molecules.AnswerFalseView full question & answer→
Question 121 MarkWastes which we generated are biodegradable or non-biodegradable.AnswerTrueView full question & answer→
Question 131 MarkSun is ultimate energy source for ecosystems on this earth.AnswerTrueView full question & answer→
Question 141 MarkMicrobes decomposing dead bodies are located at trophic level of producers.AnswerFalseView full question & answer→