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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) Photosynthesis
B) Glycolysis
C) Respiration
D) Transpiration
  • 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) Mitochondrion
B) Chloroplast
C) Endoplasmic reticulum
D) Vacuole
  • 4. Which metabolic pathway converts glucose into pyruvate?
A) Electron transport chain
B) Calvin cycle
C) Krebs cycle
D) Glycolysis
  • 5. What is the first step in the process of glycolysis?
A) NADH production
B) Glucose phosphorylation
C) Pyruvate formation
D) ATP hydrolysis
  • 6. What is the primary role of the pentose phosphate pathway in plant metabolism?
A) To store glucose as starch
B) To convert pyruvate to acetyl-CoA
C) To break down fatty acids for energy
D) To produce NADPH and ribose-5-phosphate
  • 7. Which process involves the transfer of electrons along the electron transport chain in mitochondria?
A) Substrate-level phosphorylation
B) Photosystem II
C) Photophosphorylation
D) Oxidative phosphorylation
  • 8. What metabolic pathway is responsible for the degradation of fatty acids to generate acetyl-CoA?
A) Glycolysis
B) Calvin cycle
C) Beta-oxidation
D) TCA cycle
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