Basic Science Practice Question and Answer
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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: Hydraulic break and hydraulic lift work on which theorem-
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608b7b105c992217d5814a27- 1Conservation law of momentumfalse
- 2Pascal lawtrue
- 3Barnaul's Theoremfalse
- 4Law of inertiafalse
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Answer : 2. "Pascal law "
Q: Photosynthesis in plants converts light energy to____ energy.
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60b9eaa641fbe0438167974e- 1Chemicaltrue
- 2Thermalfalse
- 3Kineticfalse
- 4Physicalfalse
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Answer : 1. "Chemical "
Q: Image are formed between two parallel mirrors?
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601402bc5beea84b8ecebf68- 12false
- 24false
- 38false
- 4Eternaltrue
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Answer : 4. "Eternal"
Q: Which of the following method is adopted to remove salt from sea water?
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611b619adc4e2547a1c919b7- 1sublimationfalse
- 2Evaporationtrue
- 3crystallizationfalse
- 4distillationfalse
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Answer : 2. "Evaporation"
Q: Excessive use of sterilized fertilizers in sugarcane increases the outbreak?
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604deee8a01bc447899e5f7a- 1White flyfalse
- 2Stem borerfalse
- 3Pyrillatrue
- 4None of thesefalse
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Answer : 3. "Pyrilla"
Q: Which of the following is a colloidal solution?
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6087db480ac1df7d9f7d6b8e- 1Vinegar solutionfalse
- 2Painttrue
- 3Muddy waterfalse
- 4Sugar solutionfalse
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Answer : 2. "Paint "
Q: Which of the following grain was first used by human?
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60ba03faa906b340d16acbc2- 1Ragifalse
- 2Wheattrue
- 3Barleyfalse
- 4Oatfalse
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Answer : 2. "Wheat"
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