Everyday Science MCQS Set 37

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Everyday Science MCQS


What is the only non-electric musical instrument invented in the 20th century?
Trombone
Tuba
Steel drum
Conga

The world oldest medical text is about _____ years old.
950
3000
4000
2000

The jellylike interior o the cell is called the?
Vacuole
Nucleus
Cytokeleton
Cytoplasm

Agronomy is a science dealing with crop plants what is anthology?
Study of skin
Study of skulls
Study of forgs
Study of flowers

What is the atomic number of zinc?
28
30
31
29

What invented by Bunsen Burner?
Albert Claude
Robert Bunsen
Hienrich Hertz
James Joule

This bluish-whit metal is extremely hard and brittle, and is used almost entirely to make the very hard alloys used in fountain pen nibs, phonograph needles, and instrument pivots.
Hafnium
Cadmium
Rubidium
Osmium

The chemical behavior of an atom depends upon
the number of neutrons in the nucleus
the number of electron orbiting around
the number of protons id its nucleus
the number of electrons orbiting around the nucleus

which metal is of, malleable, and ductile, it is a poor conductor of electricity and is very resistant to corrosion, Many ancient articles manufactured form this metal have survived over 2000 years
Lead
Bronze
Tin
Brass

Which one among the following element/ions is essential in small quantities for development of healthy teeth butt causes motting of the the if consumed in higher quantities?
Chloride
Potassium
Fluoride
Iron

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