Questions

A few organisms can tolerate and thrive in a narrow range of temperatures. Such organisms are called ___________.

What is the number of groups and periods in the modern periodic table?

A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Clamorous

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

Please don't ________ me when I'm speaking.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

They were all astonished at the team's dramatic success in the competition.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
Some of these
X-height of more than
Y-2000 feet above the sea
Z-rocks rise to the

Which day is celebrated as United nations Day every year?