Prep Africa
Menu

Exams

JAMBKCSENECTANSCWAEC

Resources

InteractiveSearchTimetables 2026Syllabus 2026About

NSC Life Sciences AI Practice

Train with AI-generated exam-style questions. Get instant explanations and coaching on every weak area.

Note: Diagram-based questions are coming soon. WAEC Biology Paper includes ~5 diagram questions.

Interactive mode
300 questions available

Practice mode

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

Progress: 0/10 correct (0 answered)

Question 151

In environmental studies, which human activity is the primary cause of increased carbon dioxide levels leading to global warming?
Environmental studiesEnvironmental Studies - Human Impact on Environmentmedium

Select one option to submit your answer.

Question 152

Which structure in the human reproductive system is responsible for producing sperm?
ReproductionReproduction - Human Reproductive Systemeasy

Select one option to submit your answer.

Question 153

Which of the following best describes the relationship between genotype and phenotype?
DNA and geneticsDNA and Genetics - Genotype and Phenotypehard

Select one option to submit your answer.

Question 154

Which of the following best represents the process of natural selection?
EvolutionEvolutionary mechanismseasy

Select one option to submit your answer.

Question 155

Which organ system is primarily responsible for transporting oxygen to body tissues?
Human physiologyHuman body systemseasy

Select one option to submit your answer.

Question 156

In an ecosystem, what is the role of a decomposer?
EcologyEcosystem interactionsmedium

Select one option to submit your answer.

Question 157

Which hormone regulates the menstrual cycle and is primarily produced by the ovaries?
ReproductionHuman reproduction and hormonesmedium

Select one option to submit your answer.

Question 158

Which of the following best explains why antibiotics are ineffective against viruses?
Human physiologyImmune system and diseasemedium

Select one option to submit your answer.

Question 159

Which process leads to an increase in genetic variation within a population?
DNA and geneticsGenetic variation and meiosishard

Select one option to submit your answer.

Question 160

Which human body system works with the skeletal system to enable movement?
Human physiologyMusculoskeletal systemeasy

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.