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Biochemical Pathways in Plant Metabolism
  • 1. Which process in plants involves converting light energy into chemical energy?
A) Photosynthesis
B) Transpiration
C) Glycolysis
D) Respiration
  • 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) Vacuole
C) Chloroplast
D) Mitochondrion
  • 4. Which metabolic pathway converts glucose into pyruvate?
A) Calvin cycle
B) Glycolysis
C) Krebs cycle
D) Electron transport chain
  • 5. What is the first step in the process of glycolysis?
A) ATP hydrolysis
B) Glucose phosphorylation
C) NADH production
D) Pyruvate formation
  • 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 convert pyruvate to acetyl-CoA
D) To produce NADPH and ribose-5-phosphate
  • 7. Which process involves the transfer of electrons along the electron transport chain in mitochondria?
A) Photophosphorylation
B) Photosystem II
C) Substrate-level phosphorylation
D) Oxidative phosphorylation
  • 8. What metabolic pathway is responsible for the degradation of fatty acids to generate acetyl-CoA?
A) Beta-oxidation
B) Glycolysis
C) Calvin cycle
D) TCA cycle
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