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Friday, 16 October 2026
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Biology Past Questions and Answers

Jamb 2007 Biology Questions

Question 16:
The photosynthetic pigments include
  • A Chlorophll and carotenoids
  • B Chloroplasts and cytochromes
  • C Melanin and haemoglobin
  • D Carotenoids and haemoglobin
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Question 17:
Monocot stem differ from dicot stems in that monocot have
  • A No cambium
  • B No pith
  • C Fewer vascular bundles
  • D Phloems with parenchyma
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Question 18:
The opening and closing of the stoma are regulated by
  • A Transpiration
  • B Respiration
  • C Diffusion
  • D Osmosis
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Question 19:
Stunted growth and poor root development are a result of a deficiency in
  • A Sulpur
  • B Phosphorus
  • C Calcium
  • D Iron
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Question 20:
The pancreas secretes enzymes for the digestion of
  • A Fats, proteins and carbohydrates
  • B Fats, vitamins and cellulose
  • C Fats, carbohydrates and vitamins
  • D Protein, cellulos and minerals
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