Biology Practice Question and Answer
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Q: Name the disease of plant in which leaves, branches, fruits all are affected?
1331 06082b006bfeec334bc89ba4f
6082b006bfeec334bc89ba4f- 1Aphidsfalse
- 2Citrus Cankertrue
- 3Spider Mitesfalse
- 4Mealybugsfalse
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Answer : 2. "Citrus Canker "
Q: What is the health program launched by the government to protect against infectious diseases?
1329 26036393a24cd273bc4f0b611
6036393a24cd273bc4f0b611- 1Health facilitiesfalse
- 2Examination of patientsfalse
- 3Vaccinationtrue
- 4All of thesefalse
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Answer : 3. "Vaccination"
Q: Which of the following provides the highest energy?
1328 05f8fe932f28f4b47be4c248b
5f8fe932f28f4b47be4c248b- 1Waterfalse
- 2Mineral saltsfalse
- 3Carbohydratetrue
- 4Vitaminfalse
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Answer : 3. "Carbohydrate "
Q: Which of the following diseases spreads through respiratory route?
1327 05feafcb3f33a00432afec5e3
5feafcb3f33a00432afec5e3- 1Influezafalse
- 2Mumpsfalse
- 3Measlesfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: Refrigeration is the process, due to which
1321 060ba061241fbe0438167bcb6
60ba061241fbe0438167bcb6- 1Bacterias are killedfalse
- 2Decreases the growth of bacteriafalse
- 3Efficiency of bacterial is restrainedtrue
- 4Bacteria are converted into plasmafalse
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Answer : 3. "Efficiency of bacterial is restrained"
Q: Xylem is responsible in plant-
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5f72f4b8a921aa16e6828c40- 1Carrying watertrue
- 2Carrying foodfalse
- 3Carrying of amino acidsfalse
- 4carry oxygenfalse
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Answer : 1. "Carrying water"
Q: What causes the dough to rise on the addition of yeast?
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61110bc7a7cc2a2d996fb7e8- 1increase in the number of yeast cellsfalse
- 2release of carbon dioxide gastrue
- 3rise in temperaturefalse
- 4increase in the quantity of matterfalse
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Answer : 2. "release of carbon dioxide gas"
Q: Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?
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6062c3559cf7d827dcdcfbff- 1Villifalse
- 2Mucustrue
- 3Salivafalse
- 4Digestive Juicesfalse
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Answer : 2. "Mucus"
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