Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
The outermost layer of the root is called:
Which cells control the opening and closing of stomata?
The main vein in the middle of a leaf is called:
What happens to the rate of transpiration in dry air?
Which part of the plant absorbs water and minerals from the soil?
The process that releases energy from food is called:
Which of the following is NOT a product of photosynthesis?
What is the function of the root cap?
Which tissue provides mechanical support to the plant?
The process of water movement through xylem due to evaporation is called:
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Practice Makes Perfect
Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.
Active Recall
MCQs engage active recall, which is 50% more effective for long-term memory than passive reading.