1) Which of the following cannot be added in a composting pit to prepare compost?  a) Sunflower Plants b) Fruit and vegetables peels c) Flower of plastic d) Red worms 2) Which of the following is the best method to dispose of biological wastes from hospitals? a) Landfill b) Recycling c) Incineration d) Composting 3) What provide the energy which then flows through a food chain? a) Glucose b) Oxygen c) Respiration d) Sunlight 4) The flow of energy in an ecosystem is always : a) Unidirectional b) Bidirectional c) Cyclic d) Multidirectional 5) Which of the following gets the minimum energy through the food chain in an ecosystem?  a) Carnivore b) Large Carnivore c) Producer d) Herbivore 6) In an Ecosystem, the ten per cent energy available for transfer from one trophic level to the next is the form of : a) Heat energy b) Light energy c) Chemical energy d) Mechanical energy 7) One of the following is a micro-consumer. This one is a) Ant b) Lice c) Fungy d) Mosquito 8) One of the following is not a consumer. This one is a) Giraffe b) Antelope c) Algae d) Alligatir 9) In a food chain, the initial organism is usually: a) Photosynthetic b) Herbivore c) Saprophytic d) Parasitic 10) Which of the following is an artificial ecosystem? a) Pond b) Crop field c) Lake d) Forest 11) Which pollutant released into the during refrigeration and airconditioning is the greatest contributor to the depletion of ozozn layer? a) BHC b) DDT c) CFC d) UNEP

10 our invironment quiz by Hitesh

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