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PU M 2026 Gas Exchange Free Quiz 2
General
General 10 MCQs
11. Which part of the brain controls breathing rate?
12. What structures allow gas exchange in plant leaves?
13. Which cells control the opening and closing of stomata?
14. When do stomata open and close?
15. When do stomata open for gas exchange?
16. How does gas exchange occur in aquatic plants?
17. Which respiratory disorder involves inflammation and narrowing of airways?
18. Which respiratory disorder damages the alveoli?
19. Which respiratory disorder involves inflammation of the bronchi?
20. Which respiratory disorder is an infection of the lungs?

📋 PU M - Test Online Practice Quizzes

Punjab University Entry Test PU-M

Conducting Body: University of The Punjab (PU)
Frequency: Bi-Annual | Time: 80 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 100 MCQs):

Merit Formula: Merit Formula: Intermediat 50% Matric 25% PU M Entry Test 25%