Basic Science Practice Question and Answer
8 Q: Which gas is the most important component of Gobar gas?
1176 0608b7d495c992217d5814c9d
608b7d495c992217d5814c9d- 1Ammoniafalse
- 2Acetylenefalse
- 3Methanetrue
- 4Chlorinefalse
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Answer : 3. "Methane "
Q: Cooking vessels have wooden or bakelite handles because–
1167 1601263178f4dda4a277d0e20
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?
1161 060fe422e20de8e1be91d2313
60fe422e20de8e1be91d2313- 1Airfalse
- 2Water Currentfalse
- 3Soundfalse
- 4Lighttrue
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Answer : 4. "Light"
Q: Which branch of science is studied under the bones?
1159 05fe9a67e00e3f71b8285de16
5fe9a67e00e3f71b8285de16- 1Orologyfalse
- 2Osteologytrue
- 3Ceramologyfalse
- 4Geologyfalse
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Answer : 2. "Osteology"
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 is the principle of Learning Environment study?
1132 060fa7d6f16158a5eedb4b426
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: Write the name, which of the following is not a Kharif crop?
1131 06392b5ccd319b37ca197d8e9
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.
Q: Sericulture is called—
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5fe9a7a200e3f71b8285debc- 1Apiculturefalse
- 2Sericulturetrue
- 3Psiculturefalse
- 4Horticulturefalse
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