GATE CSE 2021 Set 1 | GA Question: 9

Question

Given below are two statements $1$ and $2$, and two conclusions $\text{I}$ and $\text{II}$

• $\text{Statement 1:}$ All bacteria are microorganisms.
• $\text{Statement 2:}$ All pathogens are microorganisms.

• $\text{Conclusion I:}$ Some pathogens are bacteria.
• $\text{Conclusion II:}$ All pathogens are not bacteria.

Based on the above statements and conclusions, which one of the following options is logically $\text{CORRECT}$?

• A. Only conclusion $\text{I}$ is correct
• B. Only conclusion $\text{II}$ is correct
• C. Either conclusion $\text{I}$ or $\text{II}$ is correct
• D. Neither conclusion $\text{I}$ nor $\text{II}$ is correct

Comments

Someone  plzz challenge this question...

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I think answer should be D: neither 1 nor 2
EXPLAINATION
Either-OR is similar to XOR gate which means both conclusions can't be true at the same time.
But in the question both conclusions can be true at same time.
So, option D): neither 1 nor 2 is correct seems most logical answer.

NOTE
conclusion 2 means :- Not every Pathogen is Bacteria. which means some pathogens can be bacteria.

Hope You Understand.

But i think marks should be awarded to all as the conclusion 2 could have different meanings.
but still option D is necessarily true.

 

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Congratulations Guys. Both answers are correct as per final answer key..

WE WON!!!

Answer 1

D is the only correct choice .…

Think conclusion I and II Independently..

Can statement 1 and 2 implies conclusion I and II independently... In that basis both conclusion are not always true so D is right choice