Reading Comprehension – And that has to do with the question of uncertainty


XAT 2021 Exam Paper – Reading Comprehension – And that has to do with the question of uncertainty


Read the following passage and answer the two questions that follow.

And that has to do with the question of uncertainty and doubt. A scientist is never certain. We all know that. We know that all our statements are approximate statements with different degrees of certainty; that when a statement is made, the question is not whether it is true or false but rather how likely it is to be true or false. We must discuss each question within the uncertainties that are allowed. And as evidence grows it increases the probability perhaps that some idea is right or decreases it. But it never makes absolutely certain one way or the other. Now, we have found that this is of paramount importance in order to progress. We absolutely must leave room for doubt or there is no progress and there is no learning. There is no learning without having to pose a question. And a question requires doubt. People search for certainty. But there is no certainty. People are terrified- how can you live and not know? It is not odd at all. You only think you know as a matter of fact. And most of your actions are based on incomplete knowledge and you really don’t know what it is all about or what the purpose of the world is or know a great deal of other things. It is possible to live and not know.

Q.1 What does the author BEST mean when he says, “We must discuss each question within the uncertainties that are allowed?”

A. The uncertainties are limited by the nature of the answers sought.
B. There is a finite set of uncertainties for any question.
C. The question decides the amount of uncertainties that are allowed.
D. The uncertainties should be relevant to the question.
E. We must be prepared to accept errors in the answers we seek.

Q.2 Which of the following BEST describes the essence of the passage?

A. Reasonable scepticism is the characteristic of a scientific mind.
B. Doubting the established world order is the purpose of science.
C. Science can never give a conclusive answer to a question.
D. Progress involves questioning accepted truths.
E. Reasonable discomfort with certainty is the path for progress.

Solution:
Q. 1 E
Q. 2 A


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