Board Boosters — 800 most-asked Class 11 & 12 (+1/+2) board questions

Board Boosters

The questions your board exam loves to ask

800 most-asked Class 11 & 12 (+1 / +2) questions across Physics, Chemistry, Maths and Biology — each with a model answer and the exact marking-scheme points examiners reward. Revise smart, walk in calm.

800 board questions•Model answers•Marking-scheme points•Every chapter•CBSE · ISC · State boards

Jump straight to your paper

Class 11 Physics · +1 Class 11 Chemistry · +1 Class 11 Maths · +1 Class 11 Biology · +1 Class 12 Physics · +2 Class 12 Chemistry · +2 Class 12 Maths · +2 Class 12 Biology · +2

ClassBoth 11 · +1 (400)12 · +2 (400)

SubjectAll (800)Physics (200)Chemistry (200)Maths (200)Biology (200)

MarksAny 1-mark 2-mark 3-mark 5-mark

1 question · clear filters

PhysicsClass 111 markeasy

Units and Measurements

How many significant figures are there in the measurement 0.00420 m?

Reveal model answer + marking points▾

Three significant figures (4, 2 and the trailing 0). Leading zeros are not significant; a trailing zero after the decimal point is significant.

Marking-scheme points

✓Leading zeros: not significant
✓Trailing zero after decimal: significant
✓Answer = 3

Still unsure? Ask the AI tutor →

You are more ready than you feel.

One question at a time is how every topper started. Bookmark this, revise a few each day, and watch the fear shrink. And if a friend is stressing about boards — send this their way. You both win.

Share with a friend Ask the AI tutor