Questions

Which of the following is the most abundant metal on Earth's crust?

The boundary between Earth's crust and mantle is _____.

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

Which of the following processes is responsible for causing rain?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.

Ritu said to you,"You are looking very pretty."

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

head over heels

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

That must (being) really difficult for you.

Who discovered Penicillin?