Practice Question and Answer
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Q:Study the graph carefully and answer the following questions.
The production of State D in 1993-94 is how many times its production in 1994-95 ?
1756 05f1562f0cf79540a75340301
5f1562f0cf79540a75340301- 11.33false
- 20.75true
- 30.56false
- 41.77false
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Answer : 2. "0.75"
Q: Hugging and kissing of mother to her baby initiates, which of the following hormone for secretion?
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5f155dbfcf79540a7533f7e7- 1Follicular Hormonefalse
- 2Oxytocintrue
- 3Insulinfalse
- 4Noradrenalinfalse
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Answer : 2. "Oxytocin"
Q: If tan4θ + tan2θ = 1, then the value of cos4θ + cos2θ is
2020 05f155952cf79540a7533e649
5f155952cf79540a7533e649- 12false
- 21true
- 3– 1false
- 4– 2false
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Answer : 2. "1"
Q: Transformer is used for -
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5f15591e4cff381d162671e4- 1To step up DC voltagefalse
- 2To step up or step-down AC voltagestrue
- 3Converting AC into Dcfalse
- 4Converting DC into ACfalse
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Answer : 2. "To step up or step-down AC voltages"
Q: What is the value of sin2 60° + cos230°+ cot2 45° + sec2 60° – cosec2 30° + cos2 0°.
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5f155723cf79540a7533c1ca- 1$$ {7\over2}$$true
- 2$$ {7\over4}$$false
- 3$$ {7\over3}$$false
- 4$$ {7\over8}$$false
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Answer : 1. "$$ {7\over2}$$"
Q: Bronze is an alloy of –
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5f15567f4cff381d162659f7- 1Copper and zincfalse
- 2Copper and Leadfalse
- 3Copper and Tintrue
- 4Copper and Silverfalse
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Answer : 3. "Copper and Tin "
Q: Which of the following gases is used in cigarette lighter?
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5f155520cf79540a7533b909- 1Propanefalse
- 2Radonfalse
- 3Butanetrue
- 4Methanefalse
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Answer : 3. "Butane "
Q: Find the shaded area in the given figure. If each circle having radius of 7cm?
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5f155401eddbc50839d4d874- 148 sq.cmfalse
- 244 sq.cmfalse
- 345 sq.cmfalse
- 442 sq.cmtrue
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Answer : 4. "42 sq.cm"
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