Questions

Tooth decay starts when the pH of the mouth is lower than

Bauxite is used as raw material by which industry

Improve the bracketed part of the sentence.
If you talk to her nicely, she will probably (allow you) her notes.

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.
Sushma has a deep _____ for drunkards.

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Extenuate

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

I do not think that(A)/I can cope up(B)/with this problem(C)/No Error(D)

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

Animals without a backbone.

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.