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Standard XII

Biology

What Are Homeotherms and Poikilotherms?

Statements: 1...

Question

Statements: 1. All dogs are reptiles.
2. Some cats are reptiles.
Conclusions: I. Some dogs are cats.
II. Some cats are not reptiles

Only conclusion I follows

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Only conclusion 11 follows

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Both I and II follow

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Neither I nor II follows

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Solution

The correct option is D Neither I nor II follows
Statements: 1. All dogs are reptiles.
2. Some cats are reptiles.
Conclusions: I. Some dogs are cats.
II. Some cats are not reptiles
From the two statements given, we cannot conclude that some dogs are cats as they can be two disjoint sets too. And the second statement cannot be concluded as there is no information on the cats other than reptiles.
Answer is Option D

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Similar questions

Q. Statements: 1. All dogs are reptiles.
2. Some cats are reptiles.
Conclusions: I. Some dogs are cats.
II. Some cats are not reptiles.

Choose the correct option about conclusion drawn from the statements given below

Statements :

(1) All dogs are reptiles.

(2) Some cats are reptiles.

Conclusions :

I. Some dogs are cats.

II. Some cats are not reptiles.

Statements

Some horses are tigers.

All tigers are goats.

All goats are dogs.

Some dogs are cats.

Conclusions

I. Some cats are horses.

II. Some dogs are tigers.

III. Some goats are horses.

IV. Some cats are tigers.

Statements:

Some horses are tigers.

All tigers are goats.

All goats are dogs.

Some dogs are cats.

Conclusions:

I. Some cats are horses.

II. Some dogs are tigers.

III. Some goats are horses.

IV. Some cats are tigers.

Q. In the following question, two statements are given followed by four conclusions I, II, III and IV. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions if any follow from the given statements.

Statements
Some cats are dogs.
No dog is a toy.

Conclusions
I. Some dogs are cats.
II. Some toys are cats.
III. Some cats are not toys.
IV. All toys are cats.

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Statements: 1. All dogs are reptiles.2. Some cats are reptiles.Conclusions: I. Some dogs are cats.II. Some cats are not reptiles

Statements: 1. All dogs are reptiles.
2. Some cats are reptiles.
Conclusions: I. Some dogs are cats.
II. Some cats are not reptiles