Questions

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, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
If immigrants don't learn to speak the native languages of their new countries, they won't be able to _____________ themselves into society.

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

For each perfectly competitive firm in the long run

Dwarfness can be controlled by treating plants with

Narcolepsy is a disorder in which a person

Syngamy is defined as

Which of the following is a correct pair according to increasing atomic number from left to right?