Explanation

• A barometer measures atmospheric (air) pressure.
• It helps in weather forecasting, detecting storms, and studying climate changes.
• Two common types of barometers: mercury barometer and aneroid barometer.

Last verified on 13-03-2026

Explanation

• Amylase is an enzyme that catalyzes the hydrolysis of starch into sugars.
• All amylases are glycoside hydrolases.
• It is used in breadmaking.

Additional information:

Protease:

• It is an enzyme that catalyzes proteolysis.

Lipase:

• It is an enzyme that catalyzes the hydrolysis of fats.

Peptidase:

• It is an enzyme that breaks down peptides into amino acids.

Last verified on 13-11-2026

Explanation

• Carbohydrates are the fastest and main source of energy.
• They are quickly converted into glucose in the body.
• Glucose is used immediately for energy production.
• They provide instant fuel for brain and muscles.

Last verified on 14-05-2026

Explanation

• The loss of electrons and protons (H+ ions) is called oxidation.

Additional information:

• Reduction is the gain of electrons.
• Both processes occur together in redox reactions.

Explanation

• - The cornea is the transparent front part of the eye.
• - Donated corneas can restore sight in people with corneal blindness.
• - The procedure is called corneal transplantation.

 Last updated on 12 NOV 2026