Bioenergetics| NTS Sindh Mdcat Past Paper MCQs | mosaicbro.com

Bioenergetics| NTS Sindh Mdcat Past Paper MCQs

5 of 47 questions (Page 7 of 7)

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43 Common to the Krebs cycle and glycolysis in eukaryotes is:
Correct Answer: D
Explanation: Both pathways include substrate-level phosphorylation (ATP direct synthesis).
44 The photosynthetic pigments can be separated by a process called:
Correct Answer: C
Explanation: Chromatography separates pigments based on solubility/mobility.
45 During regeneration phase of Calvin cycle, one molecule of 3C (triose phosphate) is produced, which can: I. Re-enter the cycle II. Be used for starch synthesis III. Be exported for sucrose synthesis
Correct Answer: D
Explanation: Triose phosphates can form starch (in chloroplast) or sucrose (exported).
46 Which of the following is a stage in the light-independent reactions (Calvin cycle)?
Correct Answer: A
Explanation: Carbon fixation (RuBP + CO₂ → PGA) initiates the Calvin cycle.
47 Transport of three protons through the ATPase complex are required for the production of one ______.
Correct Answer: C
Explanation: ATP synthase generates 1 ATP per ~3 protons translocated.
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