Questions

Piano was invented by ________.

In the following question, select the number which can be placed at the sign of question mark(?) from the given alternatives.

By which of the following processes are metals of high reactivity extracted from purified molten ore?

Which gas contributes most to the Greenhouse effect?

'Vallam Kali Boat Race' is held in which state?

What is the basis of first level of classification among plants?

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

He says, “Everybody is here.”

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

A remarkable concurrence of events or circumstances without apparent causal connection