Select the option that can be used as a one-word substitute for the given group of words.

Something that is to your advantage but happened by chance

From among the words given in bold, select the INCORRECTLY spelt word in the following sentence.
 Small drops trickled down the red and yellow tassels of cannopies and dampened the heads of little boys.

Given below are four jumbled sentences. Pick the option that gives their correct order.

A: On a holiday they went walking into a forest, enjoying the beauty of nature.

B: Suddenly they saw a bear coming towards them.

C: They became frightened and Raju, who knew all about climbing trees, climbed up one quickly.

D: Vijay and Raju were friends.

Change from Interrogative to Assertive: Who can be expected to submit to injustice?

Select the most appropriate option to fill in the blank.

Himank's health has ______ ever since he has refused to get himself treated.

Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.

Jamnalal Bajaj was one of the few businessmen who incurred the wrath of the British for supporting the freedom movement.

Select the most appropriate synonym of the given word.

Modest

Read the following passage carefully and give the answer of following questions.

The problem of water pollution by pesticides can be understood only in context, as part of the whole to which it belongs – the pollution of the total environment of mankind. The pollution entering our waterways comes from many sources, radioactive wastes from reactors, laboratories and hospitals; fallout from nuclear explosions; domestic wastes from cities and towns; chemical wastes from factories. To these is a added a new kid of fallout - the chemical sprays applied to crop lands and gardens, forests and fields. Many of the chemical agents in this alarming melange initiate and augment the harmful effects of radiation, and within the groups of chemicals themselves there are sinister and little - understood interactions, transformations and summations of effect.

Ever since the chemists began to manufacture substances that nature never invented, the problem of water purification have become complex and the danger to users of water has increased. As we have seen, the production of these synthetic chemicals in large volume began in the 1940’s. It has now reached such proportion that an appalling deluge of chemical pollution is daily poured into the nation’s waterways. When inextricably mixed with domestic and other wastes discharged into the same water, these chemicals sometimes defy detection by the methods in ordinary use by purification plants. Most of them are so complex that they cannot be identified. In rivers, a really incredible variety of pollutants combine to produce deposits that sanitary engineers can only despairingly refer to as “gunk”.

The words  ‘gunk’ in the last line refers: