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Q26.Which city in India is also known as "Steel City"?
a) Moradabad
b) Jamshedpur
c) Kanpur
d) Bihar
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Q27.Which vitamins is necessary for blood clotting ?
a) Vitamin D
b) Vitamin A
c) Vitamin K
d) Vitamin C
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Q28.More spoilage of eggs is caused by?
a) bacteria than molds
b) molds than bacteria
c) synergistically
d) none of these
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Q29."Soft Solder" is an alloy of LEAD and ----?
a) Tin
b) Carbon
c) Iron
d) Aluminium
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Q30.Who invented Gramophone?
a) Michael Faraday
b) Fahrenheit
c) Sir Alexander Graham Bell
d) Thomas Alva Edison
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