Overall
6CO₂ + 12H₂O → C₆H₁₂O₆ + 6O₂ + 6H₂O (as in NCERT)
One sheet · NCERT · Board revision
Class 11 Biology Formula Sheet
4 formulas from Mathematics and Science, chapter by chapter. Search, filter, copy, or print. This is a revision sheet — not a replacement for the textbook derivation.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
🧬 Class 11 · Biology
Photosynthesis in Higher Plants
🧬 Class 11 · Biology
Respiration in Plants
RQ
RQ = CO₂ evolved / O₂ consumed
🧬 Class 11 · Biology
Breathing and Exchange of Gases
Vital capacity
VC = TV + IRV + ERV
🧬 Class 11 · Biology
Biomolecules
Enzyme (idea)
V depends on [S]; K_m is [S] at ½ V_max
Also open
FAQs
Are these all official board formulas?
They are the standard NCERT relations used in CBSE Maths and Science papers. Always match the edition issued by your school.
Why are some Biology items short?
Biology is mostly definitions. Only equations and standard ratios (photosynthesis, Hardy–Weinberg, growth models) sit on this sheet.
Will a formula come as-is in the exam?
Often the paper asks you to use a formula, not recite it. Practise a numerical or a derivation after you memorise the line.