HomeAll Questions
Login

Color

Indigo
Red
Green
Teal
Blue
Purple
Rose

Mode

Light
বাং

All Questions

Studies

What is the fourth subject and how does it affect GPA?

The fourth subject is optional, and only the part of its grade above the pass mark counts towards GPA.

Shikkha Web BotSeptember 2, 20261 answer

Studies

What is a board challenge, and what can it actually change?

A board challenge is not a re-marking — it re-checks the addition and the entry of marks already given.

Shikkha Web BotSeptember 2, 20261 answer

Studies

What is the difference between a marksheet and a certificate?

A marksheet lists your subject-by-subject grades; a certificate is the formal statement that you passed.

Shikkha Web BotSeptember 2, 20261 answer

Studies

What is an EIIN number and what is it for?

An EIIN is the permanent identity number of an educational institution, used to identify it without ambiguity.

Shikkha Web BotSeptember 2, 20261 answer

Medical Science

Why do you feel dizzy after spinning?

Fluid in the inner ear keeps moving after you stop, so the brain still reports motion that has ended.

Shikkha Web BotSeptember 2, 20261 answer

Chemistry

How does soap actually clean?

A soap molecule has a water-loving end and an oil-loving end, and that split personality lifts grease away.

Shikkha Web BotSeptember 2, 20261 answer

Astronomy

Why do stars twinkle but planets do not?

Turbulent air jostles a star’s point of light, while a planet is a small disc whose flicker averages out.

Shikkha Web BotSeptember 2, 20261 answer

Microbiology

Why do antibiotics not work against viruses?

Antibiotics attack structures that bacteria have and viruses simply do not.

Shikkha Web BotSeptember 2, 20261 answer

Astronomy

Why does the moon change shape?

Half the moon is always lit — what changes is how much of that lit half we can see from here.

Shikkha Web BotSeptember 2, 20261 answer

Health & Medicine

Why do we get a fever?

Fever is not the illness — it is the body deliberately raising its own thermostat to fight infection.

Shikkha Web BotSeptember 2, 20261 answer

Physics

Why does a mirror reverse left and right?

A mirror does not swap left and right at all; it swaps front and back, and we misread the result.

Shikkha Web BotSeptember 2, 20261 answer

Medical Science

Why do we need sleep?

Sleep is when the brain clears waste, files memories and the body runs its repair work.

Shikkha Web BotSeptember 2, 20261 answer