Everyday Science MCQS
The blue colour of the clear sky is due to:
Dispersion of light
Diffraction of light
Reflection of light
Refraction of light
The shape of a spot of light produced when bright sunshine passes perpendicular through a hole of very small size is
Square with a small penumbra
Round with a small penumbra around it
Square, because the hole is a square
Round, because it is an image of the sun
Who discovered the blood groups of man?
Edward Jenner
William Harvey
Larven
Kari Landsteiner
Which of the following is a physical basis of life?
Ribosome
Nucleus
protoplasm
mitochondria
The most commonly used bleaching agent is
Chlorine
Carbon dioxide
Sodium chloride
Alcohol
The abnormal constituent of urine is:
Albumin
Urea
Sodium
Creatinine
5 women and children do the work of 7 men. Also the same task is carried out by 14 children alone in the same duration. If so the work of 5 women equals to that of:
3 men
5 men
4 men
6 men
Hydrogen is used instead of helium to foll balloons for meteorology because
it is not very reactive under normal conditional
it can be prepared easily
of its low density
It is almost insoluble in water
Cost of 50 kg sugar is Rs. 1275. Find the cost of 1 kg sugar.
Rs. 45.5
Rs. 25.5
Rs. 55.5
Rs. 35.3
In a town 65% people watched the news on television , 40 % read a newspaper and 25% read a newspaper and watch ed he news on the television also. What percent of neither watched the news on neither television nor read a newspaper?
5
10
15
20
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