Prep Africa
Menu

Exams

JAMBKCSENECTANSCWAEC

Resources

InteractiveSearchTimetables 2026Syllabus 2026About

WAEC Biology – Sierra Leone

AI-generated exam-style practice tailored for Sierra Leone students.

Interactive mode

Practice mode

Answer immediately. If you miss, we show exactly why your selected option is wrong.

Progress: 0/10 correct (0 answered)

Question 181

Which level of biological organization correctly sequences from simplest to most complex?
Levels of organizationLevels of organizationmedium

Select one option to submit your answer.

Question 182

In photosynthesis, which molecule is the primary electron donor during the light-dependent reactions?
Photosynthesis and respirationPhotosynthesis and respirationhard

Select one option to submit your answer.

Question 183

Which type of nutrition involves the organism synthesizing its own food from inorganic substances?
NutritionNutritioneasy

Select one option to submit your answer.

Question 184

Which of the following is an example of an excretory product in humans?
Excretion and osmoregulationExcretion and osmoregulationeasy

Select one option to submit your answer.

Question 185

Which hormone primarily regulates the human menstrual cycle?
Coordination and responsivenessCoordination and responsivenessmedium

Select one option to submit your answer.

Question 186

Which mechanism best explains the survival of giraffes with longer necks over many generations?
Adaptation and natural selectionAdaptation and natural selectionhard

Select one option to submit your answer.

Question 187

Which tissue type is specialized for rapid conduction of electrical impulses in animals?
Cell specializationCell specialization and tissue typesmedium

Select one option to submit your answer.

Question 188

In the hierarchy of biological organization, which level comes immediately after organ?
Levels of organizationBiological organization levelseasy

Select one option to submit your answer.

Question 189

In photosynthesis, which molecule acts as the final electron acceptor in the light-dependent reactions?
Photosynthesis and respirationPhotosynthesis processmedium

Select one option to submit your answer.

Question 190

Which organ in humans plays a major role in osmoregulation by controlling water balance?
Excretion and osmoregulationOsmoregulation in humansmedium

Select one option to submit your answer.

We use cookies and similar technologies for analytics and advertising. You can accept or reject non-essential cookies.