Statements

Some leaves are flowers.
No flower is fruit.
Some fruits are branches.
Some branches are stems.

Conclusions

I. Some leaves are stems.
II. All leaves are either stems or fruits.
III. All stems are either branches or fruits.

Assertion (A): To communicate well in the classroom is a natural ability.

Reason (R): Effective teaching in the classroom demands knowledge of the communication process.

Statements

Some caps are umbrellas.
Some umbrellas are raincoats.
All raincoats are trousers.
All trousers are jackets.

Conclusions

I. Some raincoats are caps.
II. Some trousers are umbrellas.
III. All raincoats are jackets.

Statements

Some fans are coolers.
Some coolers are machines.
Some machines are computers.
All computers are televisions.

Conclusions

I. Some televisions are machines
II. Some machines are fans.
III. No machine is a fan.

Statements

All keys are staplers.
All staplers are blades.
Some blades are erasers.
Some erasers are sharpeners.

Conclusions

I. Some sharpeners are keys.
II. All keys are blades.
III. Some erasers are keys.

Statements

All Pens are cats.
All cats are rats.
All rats are snakes.
All snakes are foxes.

Conclusions

I. Some snakes are cats.
II. All snakes are rats.
III. Some cats are pens.

Assertion (A): Indoor air pollution is a serious health hazard.

Reason (R): The dispersal of air pollutants is rather limited in an indoor environment.

Choose the correct answer from the code given below:

Assertion (A): In urban areas, smog episodes occur frequently in winters.

Reason (R): In winters, a lot of biomass is burnt by people for heating purpose or to keep themselves warm.

Choose the correct answer from the code given below: