Questions

American Presidential elections are held at every __ years?

Which of the following countries border does not touch China?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
I will scold him when _____.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
An old unmarried woman

Which gas contributes most to the Greenhouse effect?

Which of the following is the largest gland in human body?

Hepatitis affects which organ of the human body?

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.

He said,"She had been weeping for an hour."