2. Square of Opposition ll Important Mcq Questions in Hindi



  1. If two propositions having the same subject and predicate terms are such that one is the denial of the other, the relationship  between them is called

(A) Contradictory

(B) Contrary

(C) Sub-contrary

(D) Sub-alteration

Answer: (A)
  1. If two propositions cannot both be false but may both be true, what is the relation between the two propositions ?

(A) Contrary

(B) Sub-contrary

(C) Sub-alternation

(D) Contradictory

Answer: (B)
  1. If two propositions having the same subject and predicate terms can both be true but can not both be false, the relation between those two propositions is called

(A) contradictory

(B) contrary

(C) subcontrary

(D) subaltern

Answer: (C)
  1. If two propositions are connected in such a way that they cannot both be false although they may both be true, then their relationship is called

(1) Contrary

(2) Subcontrary

(3) Contradictory 

(4) Subalternation

Answer: (2)
  1. If two standard form categorical propositions with the same subject and predicate are related in such a manner that if one is undetermined the other must be undetermined, what is their relation?

(1) Contrary (2) Subcontrary

(3) Contradictory (4) Sub-altern

Answer: (3)
  1. Identify the reasoning in the following argument :

‘Writing on paper is similar to writing on the board’.

(1) Deductive (2) Hypothetical

(3) Analogical (4) Inductive

Ans: 3
  1. ‘All republics are grateful’ and ‘Some republics are not grateful’ cannot both be true, and they cannot both be false. This is called as

(1) contraries 

(2) contradictories

(3) subaltern

 (4) super altern

Ans: 2
  1. When subject and predicate of both the premises is same but they differ in quality as well as quantity, it is known as

(1) Superaltern 

(2) Contraries

(3) Contradictories 

(4) Subaltern

Ans: 3

(9). “All students cleared their examination” and “Few students did not clear their examination” This is an instance of ___________________

  1. Contraries
  2. Superaltern
  3. Subaltran
  4. Contradictories
Ans: 1

(10).  “Some students are sincere is an example of which preposition?

  1. Universal Affirmative
  2. Universal Negation
  3. Particular Affirmative
  4. Particular Negation
Ans: 3

(11). “All tigers are animals”. This is an example of which type of proposition 

  1. Particular Negative
  2. Universal Negative
  3. Particular affirmation
  4. Universal affirmation
Ans: 4

(12). In which of the following propositions, both can be true simultaneously but cannot be false simultaneously?

  1. Contrary 2. Contradiction
  2. Sub contrary 4. Subaltern
Ans: 3
  1. According to traditional square of opposition if two propositions are so related that they cannot both be false, although they may both be true is called:
  1. Sub altern
  2. Sub contraries
  3. Contradictory
  4. Contrary
Ans. 2
  1. Consider the following argument:

Statements: Some chairs are curtains.

All curtains are bedsheets.

Conclusion: Some chairs are bedsheets.

What is the Mood of the above proposition?

  1. IAI
  2. IAA
  3. IIA
  4. AII
Ans. 1

(15).  As per the classical square of opposition, if A’ proposition is given as true, then which one of the following is correct?

  1. “E” proposition is false, “T” proposition is true and “O” proposition is false 
  2. “E” proposition is true, “T” proposition is true and “O” proposition is true
  3. “E” proposition is false, “T” proposition is false and “O” proposition is true 
  4. “E” proposition is true, “T” proposition is false and “0” proposition is false
Ans: 1

(16). If two propositions are related in such a way that they cannot both be true together, although both may be false together, then such a relation is considered to be

  1. Contrary
  2. Contradictory
  3. Subaltern
  4. Sub-contrary
Ans: 1

Q.17 Which sentence cannot fit into the AEIO framework?

  1. No salt has iodine
  2. The salt on the table has iodine 
  3. All salt has iodine 
  4. Saome salt has iodine 

Q.18 ‘Some teachers are not sincere’ is an example of  which category of proposition ?

  1. Universal negative 
  2. Universal affirmative 
  3. Particular affirmative 
  4. Particular negative 

Q.19 The proportions “all indians eat rice” and “some indians eat rice” are an example of 

  1. Subalternation 
  2. Contraries 
  3. Contradictions 
  4. Sub contraries 

Q.20 Consider the following argument: 

Major premise : no squares are rectangles 

Minor premise : all rectangle are circles 

Conclusion : some circles are not squares 

What is the mood of the above proposition? 

  1. A I E 
  2. A E O 
  3. E A O 
  4. E A I 

Q.21 ‘Some animals are not harmful’ is an example of which of the following types of propositions? 

  1. Particular affirmative 
  2. Particular negative 
  3. Universal negative 
  4. Universal affirmative 

Q.22 Consider the following propositions: 

  1. No television is a computer 
  2. Some televisions are not computer.

According to the square of opposition: the above opposition is called as 

  1. Subalternation 
  2. Subcontrary 
  3. Contradiction 
  4. Country 
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