Ontario Secondary School Diploma (OSSD) · Science (Grades 11 and 12)
Biology
9 practice questions, each with the answer and an explanation.
Practise Biology now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 9 questions
- Which organelle contains the enzymes that digest worn-out cell parts?
- Which blood vessels carry blood away from the heart?
- What is the balanced word equation of photosynthesis?
- Which gas is absorbed by plants and contributes to the greenhouse effect?
- Which of these is a cause of genetic variation in sexual reproduction?
- Which process is an example of negative feedback?
- What is a keystone species?
- Which type of natural selection favours both extremes of a trait?
- Which statement is part of cell theory?
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