Questions

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
Rahul went out without (saying) good bye.

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

In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.

We have rich cultural _____ . Its roots go into _____. Ours has never been a closed ______. It has _______ just like a tree, ______ to external ______ but holding its roots _______. But one wonders today whether it will be able to hold its _____. The ______ of our cultural heritage has come under the _____ of western culture.

just like a tree, ______ to external

Select the word with the correct spelling.

Select the word with the correct spelling.

A current I flows through a resistor. A source maintains a potential difference of V across the resistor. The energy supplied by the source in time t is 

What does BOD5 refer to?

Ultraviolet radiation in the stratosphere is absorbed by