Prep Africa

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 51

What is the primary function of the mitochondria in a cell?
Cell biologyCell structure and functioneasy

Select one option to submit your answer.

Question 52

During photosynthesis, which gas is taken in by plants?
Respiration and photosynthesisPhotosynthesiseasy

Select one option to submit your answer.

Question 53

If a tall plant (T) is crossed with a short plant (t) and all offspring are tall, what does this suggest about the tall trait?
GeneticsMendelian geneticsmedium

Select one option to submit your answer.

Question 54

Which hormone regulates blood sugar levels by lowering glucose concentration in the blood?
Human physiologyHormonal regulationmedium

Select one option to submit your answer.

Question 55

In an ecosystem, which trophic level do herbivores belong to?
EcologyFood chains and webseasy

Select one option to submit your answer.

Question 56

Which organelle is primarily responsible for energy production in a eukaryotic cell?
Cell biologyCell structure and functionseasy

Select one option to submit your answer.

Question 57

During photosynthesis, which gas is released as a byproduct?
Respiration and photosynthesisPhotosynthesis processeasy

Select one option to submit your answer.

Question 58

In genetics, what does the term 'heterozygous' mean?
GeneticsGenetic terminologymedium

Select one option to submit your answer.

Question 59

What is the primary function of the human kidneys?
Human physiologyExcretory systemeasy

Select one option to submit your answer.

Question 60

Which phase of respiration produces the greatest amount of ATP?
Respiration and photosynthesisCellular respirationhard

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.