Basic Science Practice Question and Answer
8 Q: Cooking vessels have wooden or bakelite handles because–
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601263178f4dda4a277d0e20- 1the handle must be strongfalse
- 2wood and bakelite are bad conductors of heattrue
- 3the handle should be attractivefalse
- 4None of the abovefalse
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Answer : 2. "wood and bakelite are bad conductors of heat"
Q: Which of the following has maximum speed?
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60fe422e20de8e1be91d2313- 1Airfalse
- 2Water Currentfalse
- 3Soundfalse
- 4Lighttrue
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Answer : 4. "Light"
Q: Which gas is the most important component of Gobar gas?
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608b7d495c992217d5814c9d- 1Ammoniafalse
- 2Acetylenefalse
- 3Methanetrue
- 4Chlorinefalse
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Answer : 3. "Methane "
Q: X-rays were discovered by ________.
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5fe9aaf2755fc73bd07964dc- 1Faradayfalse
- 2Roingtontrue
- 3H. Devifalse
- 4Lavoisierfalse
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Answer : 2. "Roington"
Q: Which branch of science is studied under the bones?
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5fe9a67e00e3f71b8285de16- 1Orologyfalse
- 2Osteologytrue
- 3Ceramologyfalse
- 4Geologyfalse
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Answer : 2. "Osteology"
Q: Which is the principle of Learning Environment study?
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60fa7d6f16158a5eedb4b426- 1Principle of necessityfalse
- 2Principle of utilityfalse
- 3Principle of relationship with lifefalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: Sericulture is called—
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5fe9a7a200e3f71b8285debc- 1Apiculturefalse
- 2Sericulturetrue
- 3Psiculturefalse
- 4Horticulturefalse
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Answer : 2. "Sericulture"
Q: Write the name, which of the following is not a Kharif crop?
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6392b5ccd319b37ca197d8e9- 1Tidefalse
- 2Paddyfalse
- 3Maizefalse
- 4Gramtrue
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Answer : 4. "Gram"
Explanation :
Kharif crops – The crops sown in June-July in the Indian subcontinent are called Kharif crops. These crops are harvested in October and November. These require high temperature and humidity at the time of sowing and dry environment at the time of ripening.
Main Kharif crops – Cotton, groundnut, paddy, millet, maize, sweet potato, urad, moong, moth cowpea (Chanwala), jowar, arhar, dhaincha, sugarcane, soybean, okra, sesame, guar, jute, flax etc.