2nd PUC Biology Series 2 December 3, 2020December 22, 2020wefru PUC Science 2ndYear Biology Series-2 quiz 1 Created on December 01, 2020 By wefru Biology Series 2 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.11 Major aerosol pollutant in jet plane emission is sulphur dioxide carbon monoxide methane fluorocarbon 2 / 10 Q.12 Gas released during Bhopal tragedy was methyl isocyanate sodium isothiocyanate potassium isothiocyanate ethyl isothiocyante. 3 / 10 Q.13 Deforestation will decrease soil erosion soil fertility land slides rainfall 4 / 10 Q.14 Pyramid of numbers in a grassland/tree ecosystem always inverted always upright both (a) and (b) spindle-shaped. 5 / 10 Q.15 Domestic waste constitutes nonbiodegradable pollution biodegradable pollution effluents air pollution 6 / 10 Q.16 Acid rain is due to increase in atmospheric concentration of ozone and dust CO2 and CO SO2 and CO SO2 and NO2 7 / 10 Q.17 A non-renewable resource is nonrenewable nonconventional energy source renewable conventional energy source. nonrenewable conventional energy Source nonrenewable conventional energy source 8 / 10 Q.18 Renewable source of energy is biomass coal petroleum kerosene. 9 / 10 Q.19 Homeostasis is tendency of biological systems to change with change in environment tendency of biological systems to resist change disturbance of self regulatory system and natural controls biotic materials used in homeopathic medicines 10 / 10 Q.20 Deep black soil is productive due to high proportion of sand and zinc clay and humus gravel and calcium silt and earthworm Your score isThe average score is 60% LinkedIn Facebook Twitter VKontakte 0% Restart quiz