Questions

Seismometer was invented by

World Radio Day is observed on

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

DETEST

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Radium is so expensive that you (1)/ could be a millionaire if you own (2)/ only half a pound of it! (3)/ No error (4)

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

Which instrument is used for photographing the Sun?

Name the scientist who proposed the cell theory

This five letter word becomes shorter when you add two letters to it. What is the word?