Logical Reasoning - Statement and Conclusion - Discussion

In each question below is given a statement followed by two conclusions numbered I and II. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Give answer:

  • (A) If only conclusion I follows
  • (B) If only conclusion II follows
  • (C) If either I or II follows
  • (D) If neither I nor II follows and
  • (E) If both I and II follow.

34. 

Statements: About 50 per cent of the animal by-products - hair, skin, horns etc. is edible protein. American chemists have developed a method of isolating 45 per cent of this protein. They used an enzyme developed in Japan to break down soya protein.

Conclusions:

  1. Americans have not been able to develop enzymes.
  2. Animal by-products protein has the same composition as soya protein.

[A]. Only conclusion I follows
[B]. Only conclusion II follows
[C]. Either I or II follows
[D]. Neither I nor II follows
[E]. Both I and II follow

Answer: Option D

Explanation:

That the American chemists used an enzyme developed in Japan, does not mean that Americans have not been able to develop enzymes. So, I does not follow. Also, nothing about the compositions of animal by products protein and soya protein is mentioned in the statement. So, II also does not follow.

Dipinn said: (Dec 29, 2011)  
As Same enzyme is used to break down the Soya and Animal Protien, this may be because of the similar composition.

Mohamed said: (Aug 25, 2012)  
I agree with dipinn and my answer was choosing choice A.

Shilpi said: (Oct 27, 2013)  
Enzymes are substrate specific, hence composition should be same.

Soham said: (Nov 5, 2014)  
If Americans could develop their own enzymes. Why would they use one made by Japan?

Sridhar said: (Apr 11, 2015)  
There is no need for reinventing the wheel. @Soham.

Prabhanshu said: (Apr 4, 2016)  
The Same enzyme is being used. So the protein must also same.

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