Question of the Day

The principle of cleaning by soap is:

  1. Floatation
  2. Surface tension
  3. Viscosity
  4. Elasticity

QOTD Winners

[27 July 2026]

Nazim Ansari

Anjali Verma

BIOMEDICAL TECHNIQUES

HUMAN RESPIRATORY SYSTEM

DIGESTIVE GLANDS AND THEIR FUNCTIONS

EXTRACTION OF METALS