Questions

Which among the following does not have a cell wall?

Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.

Which of the following micro-organism causes diseases like polio and chicken pox?

During fermentation of sugar, the compound which is always formed is

The passage of an electric current through a conducting liquid causes ___________.

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

A place where astronomical observations are made

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.

The injured old man exclaimed, 'Will none of you help me?'

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'.

Vipul has been(A)/suffering from fever(B)/since seven days.(C)/No error(D)