Past Questions and Answers

Biology Waec Past Questions And Answers (Objective and Theory)

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Biology Waec Past Questions And Answers (Objective and Theory)

Here’s a set of 20 WAEC Biology questions, including a theory section with 5 questions. Each question comes with multiple-choice options, and the correct answers are indicated.


Multiple Choice Section:

Which of the following is not a characteristic of living organisms?


A) Growth

B) Reproduction

C) Movement

D) Magnetism

Answer: D) Magnetism


What is the primary function of the mitochondria in a cell?


A) Photosynthesis

B) Cellular respiration

C) Protein synthesis

D) DNA replication

Answer: B) Cellular respiration


Which organelle is responsible for packaging and transporting proteins within the cell?


A) Golgi apparatus

B) Endoplasmic reticulum

C) Nucleus

D) Mitochondria

Answer: A) Golgi apparatus


In a food chain, which trophic level represents the primary consumers?


A) Producers

B) Herbivores

C) Carnivores

D) Decomposers

Answer: B) Herbivores


What is the main function of red blood cells in the human body?


A) Transporting oxygen

B) Fighting infections

C) Producing hormones

D) Storing nutrients

Answer: A) Transporting oxygen


Which process is responsible for the formation of gametes?


A) Mitosis

B) Meiosis

C) Fertilization

D) Binary fission

Answer: B) Meiosis


What is the role of the chloroplast in plant cells?


A) Cellular respiration

B) Photosynthesis

C) DNA replication

D) Protein synthesis

Answer: B) Photosynthesis


Which of the following is an example of a renewable resource?


A) Coal

B) Natural gas

C) Solar energy

D) Petroleum

Answer: C) Solar energy


What is the function of the ribosomes in a cell?


A) Energy production

B) Protein synthesis

C) Lipid storage

D) Waste elimination

Answer: B) Protein synthesis


Which of the following is a biotic factor in an ecosystem?


A) Sunlight

B) Soil

C) Plants

D) Water

Answer: C) Plants


Theory Section:

Explain the process of osmosis in plant cells. (5 marks)


Describe the structure and function of the human respiratory system. (5 marks)


Discuss the importance of biodiversity in maintaining ecological balance. (5 marks)


Explain the differences between mitosis and meiosis. (5 marks)


Describe the stages of the water cycle and its significance in the environment. (5 marks).

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