Prepare for NEET Biology Respiration in Plants (Glycolysis) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights into the breakdown of glucose to pyruvate and ATP generation.
NEET Questions / Botany / Respiration in Plants / Glycolysis
Is oxygen required for glycolysis to occur?
Yes
No
Only in the initial steps
Only in the final steps
During glycolysis, the enzyme phosphofructokinase is allosterically inhibited by:
ATP
ADP
AMP
Glucose-6-phosphate
Which of the following is NOT a direct product of glycolysis?
Acetyl-CoA
Pyruvate
ATP
NADH
In glycolysis, how many ATP molecules are consumed before the production phase begins?
1
2
3
4
The isomerization of glucose-6-phosphate to fructose-6-phosphate in glycolysis is catalyzed by:
Hexokinase
Phosphoglucose isomerase
Phosphofructokinase
Aldolase
Which compound is directly phosphorylated by ATP during the energy investment phase of glycolysis?
Glucose
Fructose-6-phosphate
Both glucose and fructose-6-phosphate
Glyceraldehyde-3-phosphate
Under anaerobic conditions, the primary fate of pyruvate produced in glycolysis is:
Entry into the Krebs cycle
Conversion to lactate or ethanol
Oxidation to CO2 and H2O
Conversion to Acetyl-CoA
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
