Basic Science Practice Question and Answer
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Q: Image are formed between two parallel mirrors?
1389 0601402bc5beea84b8ecebf68
601402bc5beea84b8ecebf68- 12false
- 24false
- 38false
- 4Eternaltrue
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Answer : 4. "Eternal"
Q: The marshy gas which is produced on decomposition of organic matter and is mostly found in coal mines, is the name of that gas?
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611b6363ccbc2b477b6dc0d8- 1ethanefalse
- 2Methanetrue
- 3carbon dioxidefalse
- 4carbon monoxidefalse
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Answer : 2. "Methane"
Q: Which tissue is responsible for transport of materials away from the root?
1383 06082676460a06a7ffdaa6c87
6082676460a06a7ffdaa6c87- 1Ground tissuefalse
- 2Cambiumfalse
- 3Phloemfalse
- 4Xylemtrue
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Answer : 4. "Xylem "
Q: In which of the following the garden cultivation is studied?
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60fa7c9f02c28207149a950f- 1Botanyfalse
- 2Horticulturetrue
- 3Geologyfalse
- 4Anatomyfalse
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Answer : 2. "Horticulture"
Q: Photosynthesis in plants converts light energy to____ energy.
1375 060b9eaa641fbe0438167974e
60b9eaa641fbe0438167974e- 1Chemicaltrue
- 2Thermalfalse
- 3Kineticfalse
- 4Physicalfalse
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Answer : 1. "Chemical "
Q: Which element forms the maximum number of compounds with hydrogen?
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611b62d6ccbc2b477b6dc099- 1Oxygenfalse
- 2Siliconfalse
- 3Carbontrue
- 4Nitrogenfalse
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Answer : 3. "Carbon"
Q: In a refrigerator; cooling is produced by–
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601267ccaf82aa3010a76792- 1the ice which deposits in the freezerfalse
- 2the evaporation of a volatile liquidtrue
- 3the sudden expansion of a compressed gasfalse
- 4None of thesefalse
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Answer : 2. "the evaporation of a volatile liquid"
Q: The approximate percentages of oxygen, nitrogen, and carbon dioxide in pure air on the Earth's atmosphere are:
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5ff6bac0d9d7f36ecf2a38e3- 10.03%, 21% and 78% respectivelyfalse
- 278%, 21% and 0.03% respectivelyfalse
- 321%, 78% and 0.03% respectivelytrue
- 421%, 7.8% and 0.03% respectivelyfalse
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Answer : 3. "21%, 78% and 0.03% respectively"
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