General Science & Ability MCQs

Who invented the light bulb in 1879?

a) Albert Einstein

b) Charles Babbage

c) Thomas Edison 

d) Douglas Engelbart (more…)

Who invented the first air conditioner?

a) W. G. GRACE

b) Willis H. Carrier

c) Albert Einstein

d) Robert Hook (more…)

Which instrument converts mechanical energy to electrical energy?

a) Electric motor

b) Generator

c) Iron

d) Oven (more…)

What does the term solstice mean?

a) longest day of the year

b) shortest day of the year

c) equal day and night

d) both a and b  (more…)