[{"id":224889,"question":"Which one is not a mesophyte.","choices":[{"text":"Brassica","value":"A"},{"text":"Mango","value":"B"},{"text":"Rose","value":"C"},{"text":"Cacti","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":224888,"question":"The most concentrated external environment is termed as.","choices":[{"text":"Hypotonic","value":"A"},{"text":"Hypertonic","value":"B"},{"text":"Osmotic","value":"C"},{"text":"Isotonic","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":224887,"question":"Which one is an example of Xerophytes.","choices":[{"text":"Brassica","value":"A"},{"text":"Rose","value":"B"},{"text":"Cactus","value":"C"},{"text":"Mango","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":224886,"question":"The category of plants that has adaptation of small and thick leaves to limit water loss is called.","choices":[{"text":"Hydrophytes","value":"A"},{"text":"Xerophytes","value":"B"},{"text":"Aygrophytes","value":"C"},{"text":"Mesophytes","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":224885,"question":"Sunkens stomata are found in which of the following group of plants.","choices":[{"text":"Hydrophytes","value":"A"},{"text":"xerophytes","value":"B"},{"text":"Bryophytes","value":"C"},{"text":"Mesophytes","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":224884,"question":"They have adaptations for reduced rate of transpiration.","choices":[{"text":"Halophytes","value":"A"},{"text":"Hydrophytes","value":"B"},{"text":"Mesophytes","value":"C"},{"text":"Xerophytes","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":224883,"question":"A plant is adapted to remove the flooding of its cells in fresh water.","choices":[{"text":"Mesophyte","value":"A"},{"text":"Cactus","value":"B"},{"text":"Hydrophyte","value":"C"},{"text":"Xerophyte","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":224882,"question":"The protection of internal environment from the harms of fluctuation in external environment is termed as.","choices":[{"text":"Osmoregulation","value":"A"},{"text":"Excretion","value":"B"},{"text":"Thermoregulation","value":"C"},{"text":"Homeostasis","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178774,"question":"The causes of green house effect are:","choices":[{"text":"Over urbanization","value":"A"},{"text":"Deforestation","value":"B"},{"text":"Industrialization","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178773,"question":"The study of hman populations and things that affect them is called:","choices":[{"text":"Angiography","value":"A"},{"text":"Demography","value":"B"},{"text":"Mammography","value":"C"},{"text":"Homography","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178772,"question":"The total energy from the sun is happened by the producers in an ecosystem is about?","choices":[{"text":"20 %","value":"A"},{"text":"10 %","value":"B"},{"text":"5 %","value":"C"},{"text":"1 %","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178771,"question":"The best way to increase food production from ecosystem view point is:","choices":[{"text":"To increase cultivable land by clearing forest","value":"A"},{"text":"Use of excessive fertilizers","value":"B"},{"text":"Use of high quality pesticides","value":"C"},{"text":"Use of genetically improved varieties of seeds","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178770,"question":"Which of the following is NOT recycled in ecosystem?","choices":[{"text":"Carbon","value":"A"},{"text":"Sulphur","value":"B"},{"text":"Energy","value":"C"},{"text":"Water","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178768,"question":"What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?","choices":[{"text":"There would be no significant change in number of animals","value":"A"},{"text":"The total number of biomass would be reduced","value":"B"},{"text":"All organisms would die out","value":"C"},{"text":"The nitrogen level of the atmosphere would be increase","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178767,"question":"Which statement defines the net primary production in an ecosystem over a given time period?","choices":[{"text":"The total amount of organic matter in the plants in excess of that used in respiration","value":"A"},{"text":"The total amount of organic matter used in respiration by all the organisms present","value":"B"},{"text":"The total amount of photosynthesis product from all plants","value":"C"},{"text":"The total amount of organic matter in all organisms present","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178766,"question":"The amount of energy left plants have met their respiratory needs is net eprimary production , which shows up as plant:","choices":[{"text":"Respiration rate","value":"A"},{"text":"Photosynthesis","value":"B"},{"text":"Biomass","value":"C"},{"text":"Food reserve","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178765,"question":"In succesion lithoseres takes place on:","choices":[{"text":"Sand","value":"A"},{"text":"Water","value":"B"},{"text":"Forest floor","value":"C"},{"text":"Bare rocks","value":"D"},{"value":"E"}],"correctAnswer":4}]