eVidyarthi

MCQ Chapter 13 Biology Class 11 Maharashtra Board

Respiration and Energy Transfer

1. Which cells rely solely on glycolysis for energy production?

Question 1 of 20

2. Why do red muscle fibers sustain prolonged work?

Question 2 of 20

3. What causes muscle fatigue after vigorous exercise?

Question 3 of 20

4. Which enzyme is involved in the oxidation of succinate in the Krebs cycle?

Question 4 of 20

5. What is the role of magnesium ions (Mg²⁺) in glycolysis?

Question 5 of 20

6. Why is the Krebs cycle considered an amphibolic pathway?

Question 6 of 20

7. Which molecule is used as a precursor for fatty acid synthesis in the Krebs cycle?

Question 7 of 20

8. What happens to NADH+H⁺ produced in glycolysis in muscles during anaerobic conditions?

Question 8 of 20

9. What indicates the production of CO₂ in the yeast fermentation experiment?

Question 9 of 20

10. Why does the level of lime water not rise in the yeast fermentation experiment?

Question 10 of 20

11. What gas is absorbed by potassium hydroxide in the seed germination experiment?

Question 11 of 20

12. Which step of aerobic respiration is omitted when fatty acids are used as a substrate?

Question 12 of 20

13. What is the significance of respiration in maintaining atmospheric balance?

Question 13 of 20

14. Which enzyme catalyzes the formation of 2-phosphoenolpyruvate in glycolysis?

Question 14 of 20

15. What is the overall reaction product of glycolysis besides pyruvate?

Question 15 of 20

16. Which factor does NOT control the rate of glycolysis?

Question 16 of 20

17. What is the role of complex V in the ETS?

Question 17 of 20

18. Why are some reactions in glycolysis irreversible?

Question 18 of 20

19. Which tissue depends heavily on glycolysis for energy?

Question 19 of 20

20. What is the significance of myoglobin in red muscle fibers?

Question 20 of 20


 

MCQ
Quiz

Leave a Reply

Your email address will not be published. Required fields are marked *

CBSE Board English Medium

ગુજરાત બોર્ડ

PSC Exam Preparation