Prep Africa
Menu

Exams

JAMBKCSENECTANSCWAEC

Resources

InteractiveSearchTimetables 2026Syllabus 2026About

NECTA Biology 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 231

Which process results in the formation of gametes with half the chromosome number of the parent?
ReproductionCell division and reproductionmedium

Select one option to submit your answer.

Question 232

In inheritance, an organism with genotype Aa shows the dominant trait. What can be inferred about the allele 'a'?
GeneticsMendelian inheritancemedium

Select one option to submit your answer.

Question 233

Which statement best describes anaerobic respiration in human muscles?
Respiration and photosynthesisRespirationmedium

Select one option to submit your answer.

Question 234

During photosynthesis, which gas is absorbed by the plant leaves?
Respiration and photosynthesisPhotosynthesis processeasy

Select one option to submit your answer.

Question 235

Which process in human respiration involves the exchange of gases between the blood and the lungs?
Respiration and photosynthesisHuman respiratory systemmedium

Select one option to submit your answer.

Question 236

In sexual reproduction, what is the role of meiosis?
ReproductionCell division and reproductionmedium

Select one option to submit your answer.

Question 237

If brown eye color (B) is dominant over blue (b), what is the genotype of a heterozygous brown-eyed individual?
GeneticsMendelian inheritanceeasy

Select one option to submit your answer.

Question 238

Which of the following best describes a climax community in ecology?
EcologyEcological successionmedium

Select one option to submit your answer.

Question 239

Which of the following best explains why some plants perform C4 photosynthesis?
Respiration and photosynthesisPhotosynthesis adaptationshard

Select one option to submit your answer.

Question 240

Which organelle is primarily responsible for energy production in the cell?
Cell biologyCell structure and functioneasy

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.