Questions

Who invented Aerosol can?

Find the odd word/letters/number pair from the given alternatives.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

had to be _________ opened to reduce

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

When one stops being optimistic, believes that he (1)/ is worthless, and stops hoping for a better future, (2)/ it is only then that the moment of actual failure happened. (3)/ No error (4)

Myopia is a defect of eyes which is also known as

Polyploidy arises due to change in the

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Keep at bay

What is the name of country whose capital is Lusaka and currency is Kwacha?