Everyday Science MCQS
Which device convert sound energy into electrical energy?
Loudspeaker
Electrical Motor
Microphone
Steam engine
What is the source of the electric energy in an artificial satellite?
Solar cells
A thermopile
A dynamo
Nuclear reactor
When a person enters a dark room from bright light he cannot see anything clearly for some them, Slowly he starts seeing things. This is because
The iris contracts
The length of lens increase
The iris expands
The distance between the lens and retina increase
Which of the following is considered a component of lipids?
Plasma cells
Fatty acids
Zinc
Nucleic acids
Diffusion of light in atmosphere takes place due to:
Helium
Dust particles
Carbondioxide
Water vapor
Who was the first person to actually see Neptune?
Leverrier
Adams
Galileo
Herschel
Pyorrhoea is a disease of the
Heart
Gums
Nose
Lungs
Which vitamin is also known as cyanocobalamin?
Vitamin B9
Vitamin B12
Vitamin B11
Vitamin B10
Which instrument is used for measuring the spectrum of light?
Stethoscope
Spectrometer
Saccharimeter
Sextant
Which of the following is not present in the blood?
Plasma
WBCs
Piacenta
RBCs
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