1st Year Biology Notes

Practice104 MCQs & 69 exam questions with answers & mark schemes →

Every chapter of the biology syllabus for 1st Year under the Punjab Board, in the order the book takes them. 13 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 11th Class, FSc Part 1, ICS Part 1, HSSC Part 1.

01

Introduction to Biology and the Biological Method

▸The Science of BiologyWhat biology studies, how it is organised, and how biologists work · 16 min · 8 questions→

02

Biological Molecules

▸BiomoleculesThe carbohydrates, proteins, lipids and nucleic acids that build life · 20 min · 8 questions→

03

Enzymes

▸EnzymesBiological catalysts, how they work, and what changes their rate · 18 min · 8 questions→

04

The Cell

▸The CellThe unit of life, its parts, and how substances cross the membrane · 20 min · 8 questions→

05

Variety of Life

▸Biodiversity & ClassificationThe variety of life, and the system used to name and group it · 16 min · 8 questions→

06

Kingdom Prokaryotae and Protista

▸Prokaryotes, Protista & VirusesBacteria, single-celled eukaryotes, and the viruses on the edge of life · 18 min · 8 questions→

07

Kingdom Fungi and Plantae

▸Kingdom Fungi & PlantaeThe fungi that absorb their food, and the plant kingdom · 16 min · 8 questions→

08

Kingdom Animalia

▸Kingdom AnimaliaThe major animal groups, from invertebrates to vertebrates · 16 min · 8 questions→

09

Bioenergetics

▸BioenergeticsPhotosynthesis and respiration — how life captures and releases energy · 20 min · 8 questions→

10

Nutrition

▸NutritionHow organisms feed — from photosynthesis to human digestion · 18 min · 8 questions→

11

Gaseous Exchange

▸Gaseous ExchangeHow organisms take in oxygen and remove carbon dioxide · 16 min · 8 questions→

12

Transport

▸Transport in AnimalsBlood, the heart and the circulatory system · 18 min · 8 questions→▸Plant PhysiologyHow plants take up, transport and lose water and nutrients · 18 min · 8 questions→

Frequently asked questions

What does 1st Year Biology cover?

All 12 chapters — Introduction to Biology and the Biological Method, Biological Molecules, Enzymes, 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 1st Year Biology syllabus (1st Year, 11th Class, FSc Part 1) under the Punjab Board, chapter by chapter, in the order the textbook takes them.

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

Yes — 104 multiple-choice questions and 69 exam-style questions with mark schemes, all with answers, on the 1st Year Biology practice page.

Are the 1st 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.