2nd Year Biology Notes

Practice96 MCQs & 58 exam questions with answers & mark schemes →

Every chapter of the biology syllabus for 2nd Year under the Punjab Board, in the order the book takes them. 12 lessons are published so far — each with notes, worked examples, a graph you can move, flashcards and a quiz — and more are being written.

Also called 12th Class, FSc Part 2, ICS Part 2, HSSC Part 2.

13

Homeostasis

▸HomeostasisKeeping the internal environment steady — water, temperature and glucose · 18 min · 8 questions→

14

Support and Movement

▸Support & MovementThe skeleton, joints and muscles that hold us up and move us · 15 min · 8 questions→

15

Coordination and Control

▸Coordination & ControlThe nervous and hormonal systems that sense and respond · 18 min · 8 questions→

16

Behaviour

▸BehaviourInnate and learned behaviour, and why behaviour aids survival · 15 min · 8 questions→

17

Reproduction

▸ReproductionAsexual and sexual reproduction, and the human reproductive system · 18 min · 8 questions→

18

Growth and Development

▸Growth & DevelopmentHow organisms grow, develop and age — in animals and plants · 15 min · 8 questions→

19

Chromosomes and DNA

▸Chromosomes & DNAThe structure of DNA, how it copies itself, and how it codes for proteins · 20 min · 8 questions→

20

Cell Cycle

▸The Cell CycleHow cells grow and divide — mitosis, meiosis and their roles · 18 min · 8 questions→

21

Inheritance

▸InheritanceGenes, alleles and how characteristics pass to the next generation · 20 min · 8 questions→

22

Variation and Evolution

▸Variation & EvolutionWhere variation comes from, and how natural selection drives change · 18 min · 8 questions→

23

Biotechnology

▸BiotechnologyUsing living organisms and their processes — from fermentation to genetic engineering · 16 min · 8 questions→

24

Ecosystem and Man

▸Ecology & the EnvironmentEcosystems, feeding relationships, cycles and conservation · 20 min · 8 questions→

Frequently asked questions

What does 2nd Year Biology cover?

All 12 chapters — Homeostasis, Support and Movement, Coordination and Control, and more. The finished lessons carry notes, worked examples, an interactive diagram and a quiz; the remaining topics are mapped and being written.

Do these notes follow the Punjab Board syllabus?

Yes. They follow the 2nd Year Biology syllabus (2nd Year, 12th Class, FSc Part 2) under the Punjab Board, chapter by chapter, in the order the textbook takes them.

Are there practice questions or past-paper-style questions?

Yes — 96 multiple-choice questions and 58 exam-style questions with mark schemes, all with answers, on the 2nd Year Biology practice page.

Are the 2nd Year Biology notes free?

Yes — completely free, with no sign-up or login. Every topic has notes, worked examples, an interactive diagram you can change, flashcards and a quiz that explains each answer.