Cellular Processes — Important Questions
CBSE · Class 11 · Biotechnology
58 important questions from Cellular Processes for CBSE Class 11 Biotechnology, with answers. Part of the CBSE Class 11 Biotechnology syllabus.
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Important Questions from Cellular Processes
Where does glycolysis occur in the cell?
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Cytosol
All the enzymes of glycolysis are present in the cytosol.
Which enzyme starts glycolysis by phosphorylating glucose?
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Hexokinase
Hexokinase catalyses the phosphorylation of glucose to glucose-6-phosphate in the first step of glycolysis.
Which step of glycolysis is an example of substrate-level phosphorylation?
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Phosphate transfer from 1,3-bisphosphoglycerate to ADP forming ATP
Substrate-level phosphorylation is the direct formation of ATP by transfer of phosphate to ADP.
How many ATP molecules are generated in glycolysis from one glucose molecule before subtracting ATP used?
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4
Four ATP are generated during conversion of glucose to two pyruvate molecules, but two ATP are used up, giving a net of two.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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