Questions

Air ___________________ are the substances which contaminate the air.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

One who walks in sleep

Which of the following plays an important role in photosynthesis?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

By the time government
X-offices or educational institutions
Y-open, many daylight
Z-hours are already lost

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

Reporters and city officials gathered at a Chicago railroad station one afternoon in 1953. The person they were meeting was the 1952 Nobel Peace Prize winner. A few minutes after the train came to a stop, a giant of a man - six feet four inches - with bushy hair and a large moustache stepped out from the train. Cameras flashed. City officials approached him with hands outstretched. Various people began telling him how honoured they were to meet him.

The man politely thanked them and then, looking over their heads, asked if he could be excused for a moment. He quickly walked through the crowd until he reached the side of an elderly black woman who was struggling with two large suitcases. He picked up the bags with a smile, escorted the woman to a bus. After helping her aboard, he wished her a safe journey. As he returned to the greeting party he apologized, "Sorry to have kept you waiting." Not many whites would have done what he did.

The man was Dr. Albert Schweitzer, the famous missionary doctor who had spent his life helping the poor in Africa. In response to Dr. Schweitzer's action, one member of the reception committee said with great admiration to the reporter standing next to him, "That's the first time I ever saw a sermon walking."

Dr. Albert was _____ person.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

unable to be destroyed or removed.

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

The exchange of materials between blood and interstitial fluid occurs only at the _____.