Everyday Science MCQS Set 45

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Everyday Science MCQS


The best material for the core of a transformer is
Mild steel
Stainless steel
Soft iron
Hard steel

Which one among the following statements sis correct?
Convex mirrors should be used as shaving
Concave mirror s are used as reflectors
Convex mirrors are used by doctors to examine oral cavity
Convex mirrors are used as reflectors

John Walker invented?
safely razor
Safely pin
Safety match
Safety valve

The study of animal and pint life within saltwater ecosystems?
None of these
Hematology
Cryptography
Marine Biology

What light source is used for most color analysis instruments?
Neon
Xenon
Deuterium
Tungsten

What is gelotology?
Study of things that are wiggly
physiological study of gelatinous organ structures
Physiological study of human laughter
study of the elderly

Which one the following is a genetically transmitted diseases?
Bone cancer
Typhoid
Heamophilia
Blood cancer

A beeo-sting leaves an acid which causes pain and irritation, Which type of theis acid?
Sulfuric acid
Methanoic acid
Citric acid
Acetic acid

Ornithology is the science of?
Birds
Insects
Cancer
Bee keeping

Darwins theory of natural selection involves?
Survival of the fittest
All of these
Competition
Over reproduction
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