Biology

Biology hub — concept guides, formula sheets, chapter notes, problem-solving methods, PYQs and tests across JEE, NEET, BITSAT, IAT and boards.

How this chapter is taught

Overview

Core concepts

Formula / reaction sheet

NCERT connections

Important questions

Previous year questions

MCQ practice

Common mistakes

Quick revision

Chapter test

FAQs

Related chapters

Recommended next: tests, PYQs, notes & courses

Hand-picked from everything Prepkunj already publishes for Biology — free resources first, guided programs last.

Free tests to attempt next

Practise this topic immediately — every test is graded instantly with solutions.

Build a custom practice setFilter the question bank by exam, subject, chapter, topic and difficulty, then practise a set built for this topic.Question bank

Previous year questions

PYQs show exactly how this topic is asked — start with the most recent papers.

All previous year papersYear-wise question papers and answer keys for NEET, JEE, BITSAT, IISER IAT and the SAT.PYQ library

Notes and study material

Read the concept first, then attempt the test — notes are written for exam recall.

SUBJECTS exam informationPattern, syllabus, marking scheme, important dates and cutoff trends in one place.Exam info Best books for this examCurated NCERT-first book list with what to use each book for and what to skip.Resource Preparation guideTimetables, revision cycles and test-analysis routines used by Prepkunj mentors.Guide

Guided courses for this topic

Want a mentor to drive the plan? These programs cover this topic with live teaching and tests.

1-on-1 Premium classesFully personalised live mentoring at $15/hour with a plan built around your weak topics.$15 / hour Book a free demo classSit in a live class, meet the faculty and get a study plan — no payment needed.Free

Resources in this hub

Detailed guides for Biology are being written and academically reviewed by the Prepkunj faculty panel. Meanwhile, use the free notes, chapter tests and previous year papers linked above — or ask a mentor for a plan built around this topic.

Get a personalised study plan