Basic Science Practice Question and Answer
8 Q: What is Potato?
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631ef7cd80b9d104aeb238b1- 1Rootfalse
- 2Stalktrue
- 3Budfalse
- 4Fruitfalse
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Answer : 2. "Stalk"
Q: Transboundary pollution (or) Acid rain is caused by–
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6012401a178b94051cee4b04- 1Hydrocarbonfalse
- 2Carbon monoxidefalse
- 3Carbon dioxidefalse
- 4Nitrogen oxide and sulphur dioxidetrue
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Answer : 4. "Nitrogen oxide and sulphur dioxide"
Q: The pregnancy period of Cat and Dog is approximately-
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608b84b55c992217d5815c0f- 121 dayfalse
- 2150 dayfalse
- 3114 dayfalse
- 463 daytrue
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Answer : 4. "63 day "
Q: What is the scientific term for the speed of an object moving in a definite direction?
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608268b2bfeec334bc88654d- 1Timefalse
- 2Accelerationfalse
- 3Velocitytrue
- 4Motionfalse
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Answer : 3. "Velocity "
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 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: Which of the following is desirable aim of Science Education at Primary Level?
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60fa7dde16158a5eedb4b5ef- 1To know the facts and principles of sciences and its applications.false
- 2To nurture the natural curiosity, aesthetic sense and creativity in science and technology.false
- 3To imbibe the values of honesty, integrity and co-operation.false
- 4All of thesetrue
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Answer : 4. "All of these"
Q: Which crop is a Kharif crop?
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6392b70ab13d3250d32c0399- 1Millettrue
- 2Oatfalse
- 3Flaxseedfalse
- 4Mustardfalse
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Answer : 1. "Millet"
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.