1) Term ecosystem was coined by a) Mobius b) Huxley c) Tansley d) Darwin 2) Which of the following is an abiotic component of an ecosystem a) Bacteria b) Plants c) Fungi d) Humus 3) The depletion of ozone shield is due to a) Chlorofluorocarbons b) Oxides of nitrogen c) Methane d) All of these 4) Result of ozone hole is a) Green house effect b) Global warming c) Acid rain d) Increased uv radiation 5) On an average , energy transferred from one trophic level to next trophic level a) 5% b) 10% c) 15% d) 20% 6) Shorter food chains provide a) More energy b) Less energy c) Same energy d) None of the above 7) Phytoplanktons are a) Producers b) Primary consumers c) Secondary consumers d) Tertiary consumers 8) Frog that feeds on insects is a a) Primary consumer b) Secondary consumer c) Tertiary consumer d) Decomposer 9) The importance of ecosystem lies in a) Flow of energy b) Cycling of materials c) Both(a) and(b) d) None of the above 10) Biotic factors refer to a) Gases produced by industries b) Nutrient-deficient soils c) Living organisms d) Fossil fuels

Our Environment Quiz -By Abdul Basit.

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?