Biology Gaseous Exchange Online Test MCQS

Malik TahirLast Updated: October 14, 2025

Important Biology Gaseous Exchange Question and Answer

Total Questions: 25
Time Allowed: 15 Minutes
Total Marks: 25
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Biology Test
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Biology Gaseous Exchange Practice Test Online With Explanation

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1. The main source of exchange of gases in plants is ?

2. The cork tissue has special pores involved in gaseous exchange called ?

3. At all levels of activities in living organisms an uninterrupted supply of _______is required ?

4. Respiration is one of the most important metabolic activities of ?

5. Air spaces between mesophyll cells of a leaf comprise _______of total volume

6. Hydra respires through ?

7. Four to five pairs of gills in fish are placed in bronchial cavities and are covered by ?

8. Exchange of gases during organismic respiration is carried out only by ?

9. ATP is produced during ?

10. The heart of fish is ?

11. Respiration os one of the most important metabolic activities of ?

12. In cockroach the main tracheal trunk communicates with exterior by 10 pairs of paired apertures called  ?

13. Breathing is directly involved in the exchange of ?

14. Organismic respiration is also known as ?

15. In birds during respiration the flow of air is ?

16. Oxygen content of fresh air is about ?

17. Water is _______ times more viscous than air ?

18. In peroxisome the glycolate is converted in to ?

19. In frog respiration occurs through ?

20. In earthworm the exchange of gasses mainly occurs through ?

21. In fish the heart pumps blood directly to ?

22. Infact photorespiration is reverse of ?

23. Photoresptration take place in ?

24. Photorespiration in plants takes pace when ?

25. Parabronchi are thin walled ducts present in the respiratory system of ?


 

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Malik TahirLast Updated: October 14, 2025

Malik Tahir

Greetings, learners! I'm Tarry Malik, your guide to conquering the world of Exams prep and Online studies. Let's navigate the textbooks together, share study hacks, and make your educational journey a breeze.
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