Questions

Which of the following green house gases has the greatest heat-trapping ability?

Iron and manganese present as pollutants in water cannot be removed by_____

The common name of lead (II) sulphide is

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

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

To let someone off

For how many months is a cheque valid from the date of issue?

Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called?