Biology chapters

Choose a chapter to see every previous-year question, filter it by year, marks, difficulty and type, and understand how frequently each concept has appeared.

16 chapters

Absorption by Roots – The Processes Involved

37 questions43 marks 11 diagrams

Appeared in 10 of the 11 available papers.

Cell – The Structural and Functional Unit of Life

4 questions4 marks 1 diagrams

Appeared in 3 of the 11 available papers.

Chemical Coordination in Plants

28 questions28 marks 9 diagrams

Appeared in 6 of the 11 available papers.

Genetics – Some Basic Fundamentals

62 questions62 marks 5 diagrams

Appeared in 10 of the 11 available papers.

Human Evolution

19 questions26 marks 5 diagrams

Appeared in 5 of the 11 available papers.

Photosynthesis

66 questions78 marks 34 diagrams

Appeared in 10 of the 11 available papers.

Pollution – A Rising Environmental Problem

68 questions78 marks 18 diagrams

Appeared in 9 of the 11 available papers.

Population – The Increasing Numbers and Rising Problems

20 questions23 marks

Appeared in 9 of the 11 available papers.

Sense Organs

87 questions95 marks 18 diagrams

Appeared in 10 of the 11 available papers.

Structure of Chromosomes, Cell Cycle and Cell Division

70 questions78 marks 23 diagrams

Appeared in 10 of the 11 available papers.

The Circulatory System

87 questions96 marks 19 diagrams

Appeared in 10 of the 11 available papers.

The Endocrine System

65 questions97 marks 19 diagrams

Appeared in 10 of the 11 available papers.

The Excretory System

49 questions62 marks 16 diagrams

Appeared in 10 of the 11 available papers.

The Nervous System

64 questions79 marks 16 diagrams

Appeared in 10 of the 11 available papers.

The Reproductive System

82 questions88 marks 29 diagrams

Appeared in 9 of the 11 available papers.

Transpiration

60 questions65 marks 26 diagrams

Appeared in 10 of the 11 available papers.