Explanation

• Bauxite is the principal ore of aluminium.
• Aluminium is extracted from bauxite through the Bayer process and Hall–Héroult process.
• Bauxite mainly contains hydrated aluminium oxides.
• Aluminium is widely used in aircraft, vehicles, electrical cables, and packaging.

Last verified on 13-11-2026

Explanation

• The Tyndall Effect is the scattering of light by colloidal particles.
• It makes the path of a light beam visible when it passes through a colloidal solution.
• Example: A beam of sunlight becomes visible in a dusty room.

Last verified on 13-11-2026

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

• Battery is a device that converts chemical energy into electrical energy.
• Batteries work by using a galvanic cell.
• It is an electrochemical device made up of two electrodes and an electrolyte solution.

Last verified on 16-03-2026

Explanation

Tiger, (Panthera tigris), the largest member of the cat family (Felidae)

while

The rusty-spotted cat (Prionailurus rubiginosus) is one of the cat family's smallest members

 Last updated on 12 NOV 2026