2nd PUC Biology Series 3 December 3, 2020December 22, 2020wefru PUC Science 2nd Year Biology Series-3 quiz 3 Created on December 01, 2020 By wefru Biology Series 3 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.21 Soil water available to roots is surface water gravitational water hygroscopic water capillary water 2 / 10 Q.22 Which one is true? commensalism when none of the interacting populations affect each other (b) commensalism when the interaction is useful to both the populations. symbiosis when neither populations affects each other symbiosis when the interaction is useful to both the populations 3 / 10 Q.23 Food chain in which microorganisms breakdown the food formed by primary producers is parasitic food chain consumer food chain detritus food chain predator food chain. 4 / 10 Q.24 Pick up the correct food chain grass —> chamelion —> insect —> bird fallen leaves —> bacteria —> insect larvae. grass —> fox —> rabbit —» bird phytoplankton —> zooplankton —> fish 5 / 10 Q.25 Most hazardous metal pollutant of automobile exhausts is mercury cadmium lead copper 6 / 10 Q.26 Fertility of soil is measured by its ability to retain nutrients hold organic materials hold water support life 7 / 10 Q.27 Petroleum is a synthetic product renewable resource nonrenewable resource inconvenient resource. 8 / 10 Q.28 Minerals and metals are biodegradable resources renewable non-renewable renewable and nonrenewable resources. 9 / 10 Q.29 Soil fertility is reduced by crop rotation nitrogen fixing bacteria decaying organic matter intensive agriculture 10 / 10 Q.30 Water is a resource that is nondegradable nonmaintainabie degradable maintainable renewable non-renewable. Your score isThe average score is 33% LinkedIn Facebook Twitter VKontakte 0% Restart quiz