Questions

Which of the following is not a greenhouse gas?

Which of the following is used for disinfecting drinking water?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phraseand click the button corresponding to it.

Once in a blue moon

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
Pritam said, "These pastries are yummy."

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

A small piece of burning or glowing coal or wood in a dying fire

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.

_______________ the course of the development of different life-forms heredity—which, in plain English, is unconscious memory generated in the first life-form and ______________ through all the different species—is the sole factor in the ____________ of the parent properties; while adaptation to surrounding conditions and circumstances, natural selection in the struggle _____________ existence, and partner selection in the struggle of the males for ____________ are the principal factors in the differentiation of species.

sole factor in the ____________ of the parent properties

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 ________ my black leather shoes till they shine.

Which of the following is an example of social facilitation?