[{"id":174263,"question":"Which of the following is the abiotic component of an ecosystem?","choices":[{"text":"producers","value":"A"},{"text":"Herbivores","value":"B"},{"text":"Carnivorse","value":"C"},{"text":"Oxygen","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38254,"question":"It is an example of endoparasite:","choices":[{"text":"mosquitoes","value":"A"},{"text":"leeches","value":"B"},{"text":"lice","value":"C"},{"text":"plasmodium","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38253,"question":"Nitrobactor bacteria converts nitrites into:","choices":[{"text":"nitrogen","value":"A"},{"text":"nitrates","value":"B"},{"text":"urea","value":"C"},{"text":"ammonia","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":38252,"question":"During nitrogen fixation nitrogen is converted into:","choices":[{"text":"Nitrates","value":"A"},{"text":"nitrates","value":"B"},{"text":"ammonia","value":"C"},{"text":"all to these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":38251,"question":"In the atmosphere, carbon is found as","choices":[{"text":"graphite","value":"A"},{"text":"diamond","value":"B"},{"text":"carbonates","value":"C"},{"text":"carbon dioxide","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38250,"question":"In the food chain ''grass→grasshopper''→sparrow→ hawk'',the secondary consumers is:","choices":[{"text":"grass","value":"A"},{"text":"grasshopper","value":"B"},{"text":"sparrow","value":"C"},{"text":"hawk","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":38249,"question":"The materials flow forms one trophic level to the next by means of:","choices":[{"text":"food chains","value":"A"},{"text":"food webs","value":"B"},{"text":"energy pyramids","value":"C"},{"text":"both A and B","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38248,"question":"In ecosystem the role of decomposers is played by","choices":[{"text":"animals","value":"A"},{"text":"plants","value":"B"},{"text":"bacteria and fungi","value":"C"},{"text":"algae","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":38247,"question":"Consumers include:","choices":[{"text":"animals","value":"A"},{"text":"protozoans","value":"B"},{"text":"fungi","value":"C"},{"text":"all of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38246,"question":"The producers of ecosystem are:","choices":[{"text":"fungi","value":"A"},{"text":"bacteria","value":"B"},{"text":"green plants","value":"C"},{"text":"man","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":38245,"question":"The factor of an ecosystem is:","choices":[{"text":"light","value":"A"},{"text":"algae","value":"B"},{"text":"bacteria","value":"C"},{"text":"producers","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":38244,"question":"All the population that live in a habitat and interact in various ways with one another are collectively called:","choices":[{"text":"ecosystem","value":"A"},{"text":"community","value":"B"},{"text":"biosphere","value":"C"},{"text":"populations","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":38243,"question":"A group of organisms of the same species inhabiting a species geographical area ta a particular time is called:","choices":[{"text":"population","value":"A"},{"text":"community","value":"B"},{"text":"ecosystem","value":"C"},{"text":"species","value":"D"},{"value":"E"}],"correctAnswer":1}]