HighMarks

Respiration: anaerobic respiration — KCSE Biology

KCSE Biology · 61 practice questions · 3 syllabus objectives

27 easy29 medium5 hard

What You'll Learn

Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.

Write the equation for anaerobic respiration in plants and animals

Compare aerobic and anaerobic respiration

Respiration: anaerobic respiration

Sample Questions

Try 3 questions free. Sign up to access all 61 questions with full marking schemes.

1
easySHORT ANSWER2 marks

Name two end products of anaerobic respiration in yeast. (2 marks)

View Marking Scheme
Part (a) — 2 marks
Ethanol / alcohol (1 mk)
Carbon dioxide (1 mk)
2
easySHORT ANSWER4 marks

Write the equation for anaerobic respiration in (a) yeast and (b) human muscle cells.

View Marking Scheme
Part (a) — 4 marks
Yeast (alcoholic fermentation): C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂ + small amount of energy (ATP). (2 marks for fully correct; 1 mark for correct reactant and products but missing/wrong energy) (2 mks)
3
easySHORT ANSWER4 marks

Write the equation for anaerobic respiration in (a) yeast and (b) human muscle cells.

View Marking Scheme
Part (a) — 4 marks
Yeast (alcoholic fermentation): C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂ + small amount of energy (ATP). (2 marks for fully correct; 1 mark for correct reactant and products but missing/wrong energy) (2 mks)
4

Write the equation for anaerobic respiration in (a) yeast and (b) human muscle cells.

+58 More Questions

Sign up free to access all 61 questions with marking schemes, track your progress, and get personalised recommendations.

Why Practise Respiration: anaerobic respiration?

KNEC Aligned

Questions match the KCSE syllabus objectives and exam format exactly.

Detailed Marking Schemes

Every answer shows exactly what examiners award marks for.

Track Your Mastery

See your score improve as you practise and identify remaining gaps.

Master Respiration: anaerobic respiration for KCSE

Sign up free to unlock all 61 questions, track your progress, and get a personalised study plan for Biology.