A. Silver
B. Iron
C. Copper
D. Gold
Everyday Science Mcqs
The Structure in a cell which contains the genes is called:
A. Genetics
B. Saliva
C. Marrow
D. Chromosome
In a normal human body, the total number of red blood cells is ________?
A. 15 trillion
B. 20 trillion
C. 25 trillion
D. 30 trillion
For seeing objects at the surface of water from a submarine under water, the instrument used is ________?
A. Periscope
B. Telescope
C. Kaleidoscope
D. Spectroscope
Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?
A. Centripetal force due to the earth’s rotation
B. Earth’s gravitational pull
C. Pressure of the atmosphere
D. Moon’s gravitational pull
Frederick Sanger is a twice recipient of the Nobel Prize for ________?
A. Physics in 1956 and 1972
B. Chemistry in 1958 and 1980
C. Physics in 1903 and Chemistry in 1911
D. Chemistry in 1954 and Peace in 1962
Friction can be reduced by changing from _________?
A. Rolling to sliding
B. Sliding to rolling
C. Dynamic to static
D. Potential energy to kinetic energy
Gravity setting chambers are used in industries to remove ________?
A. NOx
B. SOx
C. CO
D. Suspended particulate matter
Exposure to sunlight helps a person improve his health because ________?
A. Resistance power increases
B. The infrared light kills bacteria in the body
C. The ultraviolet rays convert skin oil into Vitamin D
D. The pigment cells in the skin get stimulated and produce a healthy tan
Galileo was an Italian astronomer who _________?
A. Developed the telescope
B. Discovered four satellites of Jupiter
C. Discovered that the movement of pendulum produces a regular time measurement
D. All of the above