Prepare for NEET Biology Respiration in Plants with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert explanations of glycolysis, Krebs cycle, and more.
All of the following occur within the mitochondria EXCEPT:
Glycolysis
Krebs cycle
Electron transport chain
ATP synthesis
The conversion of glucose to glucose-6-phosphate, marking the first irreversible step in glycolysis, is catalyzed by which enzyme?
Hexokinase
Phosphoglucose isomerase
Phosphofructokinase
Aldolase
Which of the following enzymes is responsible for the irreversible phosphorylation of glucose in the initial stage of glycolysis?
Hexokinase
Glucose-6-phosphatase
Phosphorylase
Aldolase
In the liver, the enzyme primarily responsible for converting glucose to glucose-6-phosphate is:
Glucokinase
Hexokinase
Phosphofructokinase-1
Pyruvate kinase
Oxidative phosphorylation primarily occurs in which cellular component?
Cytoplasm
Nucleus
Inner mitochondrial membrane
Golgi apparatus
Which of the following is NOT a key component of oxidative phosphorylation?
Electron transport chain
Chemiosmosis
ATP synthase
Substrate-level phosphorylation
The final electron acceptor in the electron transport chain of oxidative phosphorylation is:
Carbon dioxide
Water
Oxygen
NAD+
The Krebs cycle plays a crucial role in cellular respiration. Which of the following is NOT a direct product of this cycle?
NADH
FADH2
ATP
Where within the mitochondria does the Krebs cycle take place?
Outer mitochondrial membrane
Inner mitochondrial membrane
Intermembrane space
Mitochondrial matrix
Which of these molecules enters the Krebs cycle?
Pyruvate
Glucose
Acetyl-CoA
Citrate
