Basic Science Practice Question and Answer
8 Q: The approximate percentages of oxygen, nitrogen, and carbon dioxide in pure air on the Earth's atmosphere are:
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5ff6bac0d9d7f36ecf2a38e3- 10.03%, 21% and 78% respectivelyfalse
- 278%, 21% and 0.03% respectivelyfalse
- 321%, 78% and 0.03% respectivelytrue
- 421%, 7.8% and 0.03% respectivelyfalse
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Answer : 3. "21%, 78% and 0.03% respectively"
Q: S. What is the unit of force in I.
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5fc9cbfcd0af4c56f5f06931- 1Joulefalse
- 2Newtontrue
- 3Wattfalse
- 4Cubic centimetersfalse
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Answer : 2. "Newton"
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.
Q: The plant which grows under water stress conditions of deserts are ?
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60ba06b6af777957546c87a7- 1Sciohytesfalse
- 2Epiphytesfalse
- 3Xerophytestrue
- 4Heliophytesfalse
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Answer : 3. "Xerophytes"
Q: What poison group is suitable for juicy juvenile insects?
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604dec8ba01bc447899e5e5b- 1gastric venomfalse
- 2poisoningfalse
- 3Somatic / all round venomtrue
- 4tactile venomfalse
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Answer : 3. "Somatic / all round venom"
Q: Which tissue is responsible for transport of materials away from the root?
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6082676460a06a7ffdaa6c87- 1Ground tissuefalse
- 2Cambiumfalse
- 3Phloemfalse
- 4Xylemtrue
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Answer : 4. "Xylem "
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: In which of the following the garden cultivation is studied?
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60fa7c9f02c28207149a950f- 1Botanyfalse
- 2Horticulturetrue
- 3Geologyfalse
- 4Anatomyfalse
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