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Biochemical Pathways in Plant Metabolism
Contributed by: Squires
  • 1. Which process in plants involves converting light energy into chemical energy?
A) Glycolysis
B) Respiration
C) Transpiration
D) Photosynthesis
  • 2. Which molecule is the primary energy carrier in plant cells?
A) Ferredoxin
B) Adenosine diphosphate (ADP)
C) Nicotinamide adenine dinucleotide (NAD+)
D) Adenosine triphosphate (ATP)
  • 3. In which cellular organelle does photosynthesis take place?
A) Endoplasmic reticulum
B) Mitochondrion
C) Vacuole
D) Chloroplast
  • 4. What is the first step in the process of glycolysis?
A) Glucose phosphorylation
B) Pyruvate formation
C) ATP hydrolysis
D) NADH production
  • 5. Which metabolic pathway converts glucose into pyruvate?
A) Calvin cycle
B) Krebs cycle
C) Electron transport chain
D) Glycolysis
  • 6. What is the primary role of the pentose phosphate pathway in plant metabolism?
A) To break down fatty acids for energy
B) To store glucose as starch
C) To produce NADPH and ribose-5-phosphate
D) To convert pyruvate to acetyl-CoA
  • 7. Which process involves the transfer of electrons along the electron transport chain in mitochondria?
A) Oxidative phosphorylation
B) Photosystem II
C) Photophosphorylation
D) Substrate-level phosphorylation
  • 8. What metabolic pathway is responsible for the degradation of fatty acids to generate acetyl-CoA?
A) TCA cycle
B) Beta-oxidation
C) Calvin cycle
D) Glycolysis
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