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Botany MCQS[NEET-2021 to 2022]-Plant respiration

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1. The process of respiration in green plants occurs




2. Respiratory enzymes are located in




3. The site of glycolysis in a cell is




4. Respiration is




5. The annual plant exchange of gases takes place mainly through




6. Krebs cycle take place in




7. Common immediate source of energy in cellular activity




8. Photorespiration involves




9. In succulent xerophytes the R.Q is




10. R.Q. of fatty substances is generally




11. Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes




12. During respiration yeast converts glucose to




13. The net gain of ATP produced during the oxidation of one glucose molecule in a plant cell




14. The final acceptor of electrons in the electron transport chain is




15. In plant cell, digestion of fats occurs with the help of




16. The ultimate respiratory substrate, yielding maximum number of ATP molecules, is




17. End product of citric acid/ Krebs cycle is




18. The first phase in the breakdown of glucose, in animal cell, is




19. End product of fermentation are




20. Out of 36 ATP molecules produced per glucose molecule during respiration




21. Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as




22. When one glucose molecule is completely oxidised, it changes




23. Link between glycolysis, Krebs cycle and β oxidation of fatty acid or carbohydrate and fat metabolism is




24. Terminal cytochrome of respiratory chain which donates electrons to oxygen is




25. R. Q is ratio of




26. Dormancy is the




27. Which of the following statement is true regarding dormancy?




28. Which of the following is a natural germination inhibitor that induces dormancy?




29. Some seeds enter dormancy when exposed to unfavourable condition for some time. Such dormancy is called




30. Which of the following plant exhibit dormancy due to immature embryo




31. The process of weakening the seed coat to break dormancy is called




32. Photoblastic seeds are seeds




33. Which is the pigment is involved in the germination of photoblastic seeds




34. Which of the following hormone is a dormancy inducer?




35. Which of the following is the structure in the seed coat that prevents water and O2 entry into seed thereby inducing dormancy




36. Conversion of pyruvic acid into lactic acid depends upon




37. The rate of glycolysis increases during anaerobic conditions is known as




38. The process of fermentation is discovered by




39. Which of the following process may be toxic to plants




40. A brewery subjects about 1 tonne of purified jaggary to fermentation under ideal conditions. If it has produced 0.3 tonne of alcohol, what quantity of CO2 it has expelled to its atmosphere




41. In anaerobic condition, The incomplete breakdown of sugars results in the formation of




42. Which among the following plant is widely accepted to respire in absence of oxygen ?




43. Alcohol is produced during which process ?




44. When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is




45. The end products of fermentation when sugars are used as raw material




46. Fermentation is




47. Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes




48. During anaerobic respiration in yeast




49. Fermentation is represented by the equation




50. Anaerobic respiration takes place in the