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{“questions”:{“2xjhr”:{“id”:”2xjhr”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary purpose of a building’s foundation?\r\n”,”desc”:””,”hint”:””,”answers”:{“o07lg”:{“id”:”o07lg”,”image”:””,”imageId”:””,”title”:”To enhance energy efficiency”},”b1tbu”:{“id”:”b1tbu”,”image”:””,”imageId”:””,”title”:”To support the weight of the structure”,”isCorrect”:”1″},”bael8″:{“id”:”bael8″,”image”:””,”imageId”:””,”title”:”To provide access to underground utilities”},”mr2m2″:{“id”:”mr2m2″,”image”:””,”imageId”:””,”title”:”To provide aesthetic appeal”}}},”vox2c”:{“id”:”vox2c”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which of the following materials is commonly used for the structural framework of buildings?\r\n”,”desc”:””,”hint”:””,”answers”:{“3j5ge”:{“id”:”3j5ge”,”image”:””,”imageId”:””,”title”:”Brick”},”oqzls”:{“id”:”oqzls”,”image”:””,”imageId”:””,”title”:”Wood”},”islkz”:{“id”:”islkz”,”image”:””,”imageId”:””,”title”:”Steel”,”isCorrect”:”1″},”6y0r3″:{“id”:”6y0r3″,”image”:””,”imageId”:””,”title”:”Concrete”}}},”w27vp”:{“id”:”w27vp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the main function of a building’s load-bearing wall?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“kdp4t”:{“id”:”kdp4t”,”image”:””,”imageId”:””,”title”:”To protect from fire”},”atesz”:{“id”:”atesz”,”image”:””,”imageId”:””,”title”:”To support.

{“questions”:{“b8ahm”:{“id”:”b8ahm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary function of the horn in a rhinoceros?\r\n”,”desc”:””,”hint”:””,”answers”:{“rblww”:{“id”:”rblww”,”image”:””,”imageId”:””,”title”:”Balance”},”0afvx”:{“id”:”0afvx”,”image”:””,”imageId”:””,”title”:”Defense”,”isCorrect”:”1″},”xmxhv”:{“id”:”xmxhv”,”image”:””,”imageId”:””,”title”:”Feeding”},”mrrfj”:{“id”:”mrrfj”,”image”:””,”imageId”:””,”title”:”Communication”}}},”5ikg6″:{“id”:”5ikg6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which species of rhinoceros is known for having two horns?\r\n”,”desc”:””,”hint”:””,”answers”:{“0f0er”:{“id”:”0f0er”,”image”:””,”imageId”:””,”title”:”Black rhinoceros”,”isCorrect”:”1″},”iy7ft”:{“id”:”iy7ft”,”image”:””,”imageId”:””,”title”:”Indian rhinoceros”},”u7gvc”:{“id”:”u7gvc”,”image”:””,”imageId”:””,”title”:”Javan rhinoceros”},”6zjj4″:{“id”:”6zjj4″,”image”:””,”imageId”:””,”title”:”White rhinoceros”}}},”r6511″:{“id”:”r6511″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is a key difference between the horns of a white rhinoceros and a black rhinoceros?\r\n”,”desc”:””,”hint”:””,”answers”:{“8lld6”:{“id”:”8lld6″,”image”:””,”imageId”:””,”title”:”The white rhinoceros has one horn.”},”m1yyd”:{“id”:”m1yyd”,”image”:””,”imageId”:””,”title”:”The black rhinoceros has a larger horn.”},”t7roz”:{“id”:”t7roz”,”image”:””,”imageId”:””,”title”:”The white rhinoceros.

{“questions”:{“2eaj3”:{“id”:”2eaj3″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What does a red traffic light mean?\r\n”,”desc”:””,”hint”:””,”answers”:{“2cj4z”:{“id”:”2cj4z”,”image”:””,”imageId”:””,”title”:” Proceed with caution”},”d70vt”:{“id”:”d70vt”,”image”:””,”imageId”:””,”title”:”Stop and wait until the light turns green”,”isCorrect”:”1″},”lcaz3″:{“id”:”lcaz3″,”image”:””,”imageId”:””,”title”:”Turn right only”},”t7qps”:{“id”:”t7qps”,”image”:””,”imageId”:””,”title”:”Slow down”}}},”pa8sv”:{“id”:”pa8sv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What should you do when you approach a yellow (amber) traffic light?\r\n”,”desc”:””,”hint”:””,”answers”:{“327a2”:{“id”:”327a2″,”image”:””,”imageId”:””,”title”:”Make a U-turn”},”mimn4″:{“id”:”mimn4″,”image”:””,”imageId”:””,”title”:”Stop if it is safe to do so”,”isCorrect”:”1″},”hx0fl”:{“id”:”hx0fl”,”image”:””,”imageId”:””,”title”:”Continue driving at the same speed”},”6nfwq”:{“id”:”6nfwq”,”image”:””,”imageId”:””,”title”:”Speed up to clear the intersection”}}},”xb5ww”:{“id”:”xb5ww”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What does a.

{“questions”:{“4qy4a”:{“id”:”4qy4a”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is magnification?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“luacr”:{“id”:”luacr”,”image”:””,”imageId”:””,”title”:”Decreasing the size of an object”},”l90i3″:{“id”:”l90i3″,”image”:””,”imageId”:””,”title”:”Making an object smaller”},”ntjke”:{“id”:”ntjke”,”image”:””,”imageId”:””,”title”:”Increasing the apparent size of an object”,”isCorrect”:”1″},”nyce7″:{“id”:”nyce7″,”image”:””,”imageId”:””,”title”:”Making an object disappear”}}},”zdikw”:{“id”:”zdikw”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which of the following instruments is commonly used to magnify small objects?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“hyjdv”:{“id”:”hyjdv”,”image”:””,”imageId”:””,”title”:”Thermometer”},”2e4oy”:{“id”:”2e4oy”,”image”:””,”imageId”:””,”title”:”Microscope”,”isCorrect”:”1″},”zgtx7″:{“id”:”zgtx7″,”image”:””,”imageId”:””,”title”:”Ruler”},”2b3kj”:{“id”:”2b3kj”,”image”:””,”imageId”:””,”title”:”Stopwatch”}}},”u6ims”:{“id”:”u6ims”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the formula to calculate the total magnification of a microscope?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“4105e”:{“id”:”4105e”,”image”:””,”imageId”:””,”title”:”Eyepiece magnification \u00d7 Objective lens magnification”,”isCorrect”:”1″},”daoij”:{“id”:”daoij”,”image”:””,”imageId”:””,”title”:”Objective lens magnification \u00d7 Lens diameter”},”sn0bl”:{“id”:”sn0bl”,”image”:””,”imageId”:””,”title”:”Eyepiece.

{“questions”:{“amf4y”:{“id”:”amf4y”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What type of lens is thicker in the middle and thinner at the edges?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“of8ts”:{“id”:”of8ts”,”image”:””,”imageId”:””,”title”:”Concave lens”},”h754a”:{“id”:”h754a”,”image”:””,”imageId”:””,”title”:”Convex lens”,”isCorrect”:”1″},”fbrlg”:{“id”:”fbrlg”,”image”:””,”imageId”:””,”title”:”Plane mirror”},”3pk9e”:{“id”:”3pk9e”,”image”:””,”imageId”:””,”title”:”Cylindrical lens”}}},”kujt6″:{“id”:”kujt6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which type of lens converges light rays to a single point?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“98pax”:{“id”:”98pax”,”image”:””,”imageId”:””,”title”:”Convex lens”,”isCorrect”:”1″},”kiiim”:{“id”:”kiiim”,”image”:””,”imageId”:””,”title”:”Concave lens”},”qcutj”:{“id”:”qcutj”,”image”:””,”imageId”:””,”title”:”Cylindrical lens”},”qgisj”:{“id”:”qgisj”,”image”:””,”imageId”:””,”title”:”Plano-convex lens”}}},”hv3c8″:{“id”:”hv3c8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”A concave lens causes light rays to: \r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“hwqo8”:{“id”:”hwqo8″,”image”:””,”imageId”:””,”title”:”Converge”},”xxm1q”:{“id”:”xxm1q”,”image”:””,”imageId”:””,”title”:”Diverge”,”isCorrect”:”1″},”hyb1s”:{“id”:”hyb1s”,”image”:””,”imageId”:””,”title”:”Reflect”},”7w8ll”:{“id”:”7w8ll”,”image”:””,”imageId”:””,”title”:”Absorb”}}},”v4wuq”:{“id”:”v4wuq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The focal length of a convex lens is: \r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“quhwy”:{“id”:”quhwy”,”image”:””,”imageId”:””,”title”:”Always negative”},”958vz”:{“id”:”958vz”,”image”:””,”imageId”:””,”title”:”Always positive”,”isCorrect”:”1″},”k1zen”:{“id”:”k1zen”,”image”:””,”imageId”:””,”title”:”Zero”},”xhch1″:{“id”:”xhch1″,”image”:””,”imageId”:””,”title”:”Dependent on the object.

{“questions”:{“5jm3o”:{“id”:”5jm3o”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary function of a lamp?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“w5fac”:{“id”:”w5fac”,”image”:””,”imageId”:””,”title”:”To produce heat”},”y76eu”:{“id”:”y76eu”,”image”:””,”imageId”:””,”title”:”To emit light”,”isCorrect”:”1″},”osnjp”:{“id”:”osnjp”,”image”:””,”imageId”:””,”title”:”To store energy”},”avyy6″:{“id”:”avyy6″,”image”:””,”imageId”:””,”title”:”To produce sound”}}},”yisfd”:{“id”:”yisfd”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which of the following is a common type of lamp?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“gg7u1”:{“id”:”gg7u1″,”image”:””,”imageId”:””,”title”:”Fluorescent lamp”,”isCorrect”:”1″},”upm3g”:{“id”:”upm3g”,”image”:””,”imageId”:””,”title”:”Electric fan”},”h7aek”:{“id”:”h7aek”,”image”:””,”imageId”:””,”title”:”Air conditioner”},”wgbik”:{“id”:”wgbik”,”image”:””,”imageId”:””,”title”:”Television”}}},”jpozj”:{“id”:”jpozj”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which gas is commonly used in fluorescent lamps to produce light?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“tizty”:{“id”:”tizty”,”image”:””,”imageId”:””,”title”:”Oxygen”},”5mo44″:{“id”:”5mo44″,”image”:””,”imageId”:””,”title”:”Nitrogen”},”jadtp”:{“id”:”jadtp”,”image”:””,”imageId”:””,”title”:”Argon”,”isCorrect”:”1″},”ekmsn”:{“id”:”ekmsn”,”image”:””,”imageId”:””,”title”:”Helium”}}},”vrz6g”:{“id”:”vrz6g”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What type of lamp is most commonly used for street lighting?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“677zx”:{“id”:”677zx”,”image”:””,”imageId”:””,”title”:”Incandescent lamp”},”u22le”:{“id”:”u22le”,”image”:””,”imageId”:””,”title”:”LED lamp”},”uy5vz”:{“id”:”uy5vz”,”image”:””,”imageId”:””,”title”:”Fluorescent lamp”},”yg62o”:{“id”:”yg62o”,”image”:””,”imageId”:””,”title”:”Sodium vapor.

{“questions”:{“pii6y”:{“id”:”pii6y”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the main function of the heart?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“unmmg”:{“id”:”unmmg”,”image”:””,”imageId”:””,”title”:”To digest food”},”4wxap”:{“id”:”4wxap”,”image”:””,”imageId”:””,”title”:”To pump blood through the body”,”isCorrect”:”1″},”w4y73″:{“id”:”w4y73″,”image”:””,”imageId”:””,”title”:”To regulate body temperature”},”tlgp8″:{“id”:”tlgp8″,”image”:””,”imageId”:””,”title”:”To filter waste from the blood”}}},”s08l0″:{“id”:”s08l0″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which chamber of the heart pumps blood to the lungs?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“ns5v9”:{“id”:”ns5v9″,”image”:””,”imageId”:””,”title”:”Left atrium”},”rcydd”:{“id”:”rcydd”,”image”:””,”imageId”:””,”title”:”Left ventricle”},”nm45o”:{“id”:”nm45o”,”image”:””,”imageId”:””,”title”:”Right atrium”},”2r5sf”:{“id”:”2r5sf”,”image”:””,”imageId”:””,”title”:”Right ventricle”,”isCorrect”:”1″}}},”jdk9a”:{“id”:”jdk9a”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the name of the valve between the left atrium and the left ventricle?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“09tzt”:{“id”:”09tzt”,”image”:””,”imageId”:””,”title”:”Tricuspid valve”},”2sjp6″:{“id”:”2sjp6″,”image”:””,”imageId”:””,”title”:”Bicuspid (Mitral).