[{"id":174287,"question":"The thickness of biosphere is:","choices":[{"text":"02 km","value":"A"},{"text":"20 km","value":"B"},{"text":"50 km","value":"C"},{"text":"200 km","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174286,"question":"A network of all the feeding relationships in an ecosystem is called.","choices":[{"text":"Food chain","value":"A"},{"text":"Food web","value":"B"},{"text":"Trophic level","value":"C"},{"text":"Energy flow","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174285,"question":"A community and its biotic components is known as:","choices":[{"text":"Biosphere","value":"A"},{"text":"Habitat","value":"B"},{"text":"Ecosystem","value":"C"},{"text":"Food web","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174284,"question":"A relationship between species in which both species benefit is called.","choices":[{"text":"Parasitism","value":"A"},{"text":"Mutualism","value":"B"},{"text":"Symbiosis","value":"C"},{"text":"Commensalism","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174283,"question":"A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.","choices":[{"text":"Symbiosis","value":"A"},{"text":"Competition","value":"B"},{"text":"Predation","value":"C"},{"text":"Mutualism","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":174282,"question":"Water , soil, air, temperature, wind and sunlight are example of:","choices":[{"text":"Biotic factors","value":"A"},{"text":"Biomass","value":"B"},{"text":"Environment","value":"C"},{"text":"Abiotic factors","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":174281,"question":"A group of organisms, similar to one another, which can interbreed in nature and produce fertile off springs.","choices":[{"text":"Species","value":"A"},{"text":"Genus","value":"B"},{"text":"Family","value":"C"},{"text":"Population","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174280,"question":"The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.","choices":[{"text":"Nitrification","value":"A"},{"text":"Denitrification","value":"B"},{"text":"Nitrogen fixation","value":"C"},{"text":"Assimilation","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":174279,"question":"Organisms that make their own food with help of sunlight, CO and H<sub>2</sub>O are called.","choices":[{"text":"Consumers","value":"A"},{"text":"Producers","value":"B"},{"text":"Decomposers","value":"C"},{"text":"Predators","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174278,"question":"The type of symbiotic relationship in which one member get benefit and other is harmed is called.","choices":[{"text":"Parasitism","value":"A"},{"text":"Mutualism","value":"B"},{"text":"Commensalism","value":"C"},{"text":"Predation","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":174277,"question":"An organism that actively hunts other organisms is called.","choices":[{"text":"Prey","value":"A"},{"text":"Predator","value":"B"},{"text":"Parasite","value":"C"},{"text":"Host","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":174276,"question":"Which one of the example of abiotic factor?","choices":[{"text":"Decomposoer","value":"A"},{"text":"Light","value":"B"},{"text":"Water","value":"C"},{"text":"Soil","value":"D"},{"value":"E"}],"correctAnswer":1}]