Bromine is a___________________?
Bromine is a___________________?
A. black solid
B. red-brown liquid
C. colourless gas
D. highly inflammable gas
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Steam Turbine was introduce by ________ ?
Steam Turbine was introduce by ________ ?A. C.A. Parson
B. Orwill Right
C. Arkwright
D. Alexander sonThe time taken by Sun to revolve around the center of our galaxy is___________?
The time taken by Sun to revolve around the center of our galaxy is___________?A. 150 million years
B. 250 million years
C. 300 millon years
D. 350 millon yearsCurrent stage of star ‘Sun’ is___________?
Current stage of star ‘Sun’ is___________?
A. white dwarf
B. red giant
C. yellow dwarf
D. orange dwarfDengue Fever is also called___________?
Dengue Fever is also called___________?
A. Black Fever
B. Breakbone Fever
C. Plasmodium Fever
D. Remittent FeverOzone layer protects the Earth from __________ radiations from the Sun.
Ozone layer protects the Earth from __________ radiations from the Sun.A. microwaves
B. infrared
C. X-rays
D. ultravioletGolden rice has the highest quantity of______?
Golden rice has the highest quantity of______?A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin K