Question

The stimulant present in tea, cocoa and cola drinks is
1. caffeine
2. astringent
3. Aspirin
4. cocaine

Answer 1

Correct Answer - Option 1 : caffeine

Concept:

• A stimulant is a drug that raises the level of physiological or nervous activity in the body.
• They basically speed up the message between brain and body
• Examples of stimulant are caffeine, nicotine, cocaine, amphetamines etc.

Explanation:

• Tea, cocoa, coffee and cola drinks contain caffeine.
• It is the mildest stimulant available and is popularly used across the world.
• Caffeine is popularly used because they lift the mood as they act on the nervous system.
• Cocaine is powerful stimulants that are very addictive.
• Astringent are chemicals that shrink muscles and can be used to tighten pores and remove oils.
• Tannins are commonly found in the bark of trees, wood, leaves etc and are used for their protection.

∴ The stimulant present in tea, cocoa, and cola drinks is caffeine.

• Astringents are commonly used as cosmetics.
• Cocaine is abused as drugs.
• Tannins protect plants from being infected by bacteria and fungi.