KCSE Biology Revision

50 topics · 1137+ practice questions · Detailed marking schemes aligned to the KNEC syllabus

All Biology Topics

Introduction to biology and branches

11 questions3 objectives

Characteristics of living organisms

18 questions3 objectives

Classification of organisms

21 questions3 objectives

Binomial nomenclature

30 questions3 objectives

Major groups of plants

18 questions3 objectives

Major groups of animals

19 questions3 objectives

Cell structure (plant cells)

35 questions3 objectives

Cell structure (animal cells)

18 questions3 objectives

Functions of cell organelles

12 questions3 objectives

Cell physiology: diffusion

37 questions3 objectives

Cell physiology: osmosis

25 questions4 objectives

Cell physiology: active transport

17 questions3 objectives

Nutrition: modes of nutrition

40 questions3 objectives

Photosynthesis (process and factors)

38 questions4 objectives

Mineral nutrition in plants

30 questions3 objectives

Human digestive system

11 questions3 objectives

Digestive enzymes and their functions

18 questions3 objectives

Absorption, assimilation and egestion

32 questions3 objectives

Transport in plants (xylem and phloem)

22 questions3 objectives

Transpiration and translocation

13 questions3 objectives

Transport in animals (blood, heart, vessels)

15 questions4 objectives

Respiration: aerobic respiration

28 questions3 objectives

Respiration: anaerobic respiration

12 questions3 objectives

Gaseous exchange in plants

20 questions3 objectives

Gaseous exchange in humans

13 questions3 objectives

Excretion in plants

17 questions2 objectives

Excretion in humans (kidneys and skin)

35 questions4 objectives

Homeostasis: temperature regulation

19 questions3 objectives

Homeostasis: osmoregulation

35 questions3 objectives

Coordination and response: nervous system

28 questions4 objectives

Coordination and response: sense organs

18 questions3 objectives

Coordination and response: endocrine system

19 questions3 objectives

Support in plants

22 questions2 objectives

Support and movement in animals

20 questions3 objectives

Reproduction in flowering plants

29 questions3 objectives

Reproduction in humans

34 questions3 objectives

Growth and development in plants

20 questions3 objectives

Growth and development in animals

21 questions3 objectives

Genetics: chromosomes, genes and DNA

21 questions3 objectives

Genetics: Mendelian inheritance

38 questions4 objectives

Variation in organisms

30 questions3 objectives

Evolution by natural selection

11 questions3 objectives

Ecology: ecosystems and habitats

28 questions3 objectives

Ecology: food chains and food webs

18 questions3 objectives

Ecology: energy flow

32 questions3 objectives

Ecology: population dynamics

19 questions3 objectives

Ecology: nutrient cycles

30 questions3 objectives

Ecology: conservation of biodiversity

11 questions3 objectives

Ecology: pollution and its effects

12 questions3 objectives

Immunity

17 questions2 objectives

Types of immunity, body defence mechanisms, antibodies and vaccination

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