Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
Which gas is absorbed by plants during photosynthesis?
What happens to stomata in bright light?
Which part of the leaf contains the most chloroplasts?
What is the main function of the phloem?
Which factor does NOT affect the rate of photosynthesis?
What is the primary function of the respiratory system?
Which structure prevents food from entering the trachea?
Where does gas exchange occur in the lungs?
What happens to the diaphragm during inhalation?
Which of the following is a product of aerobic respiration?
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Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.
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