Biology Classes 9-10 (English Version) - National Curriculum and Textbook Board of Bangladesh

Biology Classes 9–10 (English Version) is the official secondary school biology textbook prescribed for students in classes 9 and 10 under the National Curriculum and Textbook Board (NCTB), Government of Bangladesh.

Background & Language Version

This is the English‑language version of the bilingual NCTB curriculum commonly used in government and many private schools in Bangladesh.

It is precisely translated and adapted from the Bangla version, ensuring consistency in content while supporting English medium instruction under the national curriculum.

Authors & Publication

The latest edition was coordinated and published by the National Curriculum and Textbook Board, featuring contributions from national educators and illustrators.

It is printed for free distribution by the government, intended for SSC (Secondary School Certificate) students following the English version curriculum.

Content & Scope

Covers foundational biological concepts including:

Definition and branches of biology (e.g. botany, zoology, genetics, ecology).

Structure and function of living organisms.

Human physiology, reproduction, health, inheritance, evolution, and ecosystem dynamics.

Organized into chapters that align with the NCTB’s competency‑based SSC curriculum, with clear illustrations and scientific terminology supported in English.