Here we will provide you the 50+ MCQ Questions of Respiration in Plants for NEET-UG. Respiration in Plants is the 14th chapter in Class XI or Class 11 Biology NCERT Unit Respiration in Plants NEET (conducted by NTA) is based on the NCERT book.
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Respiration in Plants NEET MCQ
Which of the following is the first stage of respiration in plants?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer:A) Glycolysis
In which of the following stages of respiration is carbon dioxide produced as a waste product?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer:B) Krebs cycle
Which of the following is a molecule that is used to transport electrons during the electron transport chain of respiration?
A) Glucose
B) ATP
C) NADH
D) Pyruvate
Answer:C) NADH
Which of the following is a process that occurs during fermentation?
A) Production of ATP by oxidative phosphorylation
B) Production of lactic acid in animals
C) Production of carbon dioxide and ethanol in yeast
D) Use of oxygen as a final electron acceptor
Answer:C) Production of carbon dioxide and ethanol in yeast
In which of the following stages of respiration is the majority of ATP produced?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer:C) Electron transport chain
Which of the following is an enzyme that catalyzes the conversion of pyruvate into acetyl-CoA?
A) Pyruvate kinase
B) Pyruvate dehydrogenase
C) Acetyl-CoA synthase
D) Acetyl-CoA carboxylase
Answer:B) Pyruvate dehydrogenase
In which of the following stages of respiration is oxygen used as a final electron acceptor?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer:C) Electron transport chain
Which of the following is a molecule that is regenerated during the Krebs cycle and used to generate more ATP?
A) Glucose
B) Pyruvate
C) NADH
D) FADH2
Answer:A) Glucose
Which of the following is a process that occurs during aerobic respiration but not during anaerobic respiration?
A) Use of an electron transport chain
B) Production of lactic acid
C) Production of ethanol
D) Use of an alternative final electron acceptor
Answer A) Use of an electron transport chain
Which of the following is a molecule that is produced during the electron transport chain and used to generate ATP?
A) Glucose
B) Pyruvate
C) NADH
D) FADH2
Answer:D) FADH2
In which of the following stages of respiration is carbon dioxide released as a byproduct?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer B) Krebs cycle
Which of the following is a molecule that is produced during glycolysis and used to generate ATP?
A) Glucose
B) Pyruvate
C) NADH
D) ATP
Answer:D) ATP
Which of the following is an enzyme that catalyzes the conversion of glucose into pyruvate during glycolysis?
A) Pyruvate kinase
B) Pyruvate dehydrogenase
C) Hexokinase
D) Phosphofructokinase
Answer:C) Hexokinase
Which of the following is a molecule that is produced during fermentation in animals and used to regenerate NAD+ for glycolysis to continue?
A) Lactic acid
B) Ethanol
C) Carbon dioxide
D) Acetyl-CoA
Answer:A) Lactic acid
In which of the following stages of respiration is FADH2 produced?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer B) Krebs cycle
Which of the following is a process that occurs during both aerobic and anaerobic respiration?
A) Use of an electron transport chain
B) Production of lactic acid
C) Production of ethanol
D) Use of oxygen as a final electron acceptor
Answer:C) Production of ethanol
In which of the following stages of respiration is ATP produced by substrate-level phosphorylation?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer:A) Glycolysis
Which of the following is an enzyme that catalyzes the conversion of succinate to fumarate during the Krebs cycle?
A) Succinate dehydrogenase
B) Fumarase
C) Citrate synthase
D) Isocitrate dehydrogenase
Answer:B) Fumarase
Which of the following is a molecule that is produced during the Krebs cycle and used to generate ATP during the electron transport chain?
A) Glucose
B) Pyruvate
C) NADH
D) FADH2
Answer:C) NADH
In which of the following stages of respiration is acetyl-CoA produced?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer B) Krebs cycle
Which of the following is a process that occurs during both aerobic and anaerobic respiration?
A) Use of an electron transport chain
B) Production of lactic acid
C) Production of carbon dioxide
D) Use of oxygen as a final electron acceptor
Answer:C) Production of carbon dioxide
Which of the following is a molecule that is produced during the Krebs cycle and used to generate ATP during the electron transport chain?
A) Glucose
B) Pyruvate
C) NADH
D) FADH2
Answer:D) FADH2
In which of the following stages of respiration is pyruvate produced as a byproduct?
A) Glycolysis
B) Krebs cycle
C) Electron transport chain
D) Fermentation
Answer:A) Glycolysis
Which of the following is an enzyme that catalyzes the conversion of malate to oxaloacetate during the Krebs cycle?
A) Malate dehydrogenase
B) Fumarase
C) Citrate synthase
D) Isocitrate dehydrogenase
Answer:A) Malate dehydrogenase
During respiration in plants, what is the ultimate electron acceptor in the electron transport chain?
A) NAD+
B) ATP
C) Oxygen
D) Glucose
Answer:C) Oxygen
In which organelle does aerobic respiration occur in plant cells?
A) Mitochondria
B) Chloroplasts
C) Nucleus
D) Ribosomes
Answer:A) Mitochondria
Which of the following is not a product of the Krebs cycle?
A) ATP
B) CO2
C) NADH
D) FADH2
Answer:A) ATP
Which of the following processes in plants does not require oxygen?
A) Photosynthesis
B) Fermentation
C) Glycolysis
D) Electron transport chain
Answer:B) Fermentation
During respiration in plants, which molecule is oxidized to produce energy?
A) CO2
B) Glucose
C) Water
D) Oxygen
Answer:B) Glucose
We hope there NEET MCQ of Class 11 Chapter 14 Respiration in Plants will help you to score an excellent rank in NEET-UG. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
