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Thursday, 13 August 2026
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Biology Past Questions and Answers

Post Utme Biology Questions

Question 316:
The organelle where photosynthesis occurs is the:
  • A Ribosome organelle
  • B Mitochondrion organelle
  • C Chloroplast organelle
  • D Lysosome organelle
View Answer & Explanation
Question 317:
Carbon dioxide enters leaves mainly through the:
  • A Phloem vessels
  • B Xylem vessels
  • C Lenticel pores
  • D Stomatal pores
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Question 318:
Water used during photosynthesis is absorbed mainly through the:
  • A Flower tissues
  • B Leaf surfaces
  • C Stem tissues
  • D Root hairs
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Question 319:
The green pigment involved in photosynthesis is:
  • A Chlorophyll pigment
  • B Hemoglobin pigment
  • C Carotene pigment
  • D Melanin pigment
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Question 320:
Excess glucose produced by plants is stored mainly as:
  • A Glycogen substance
  • B Cellulose substance
  • C Protein substance
  • D Starch substance
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