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Biology 2007 JAMB Past Questions

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16

The photosynthetic pigments include

  • A. chlorophyll and carotenoids
  • B. chloroplasts and cytochromes
  • C. melanin and haemoglobin
  • D. carotenoids and haemoglobin
View Answer & Discuss (4) JAMB 2007
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
View Answer & Discuss (8) JAMB 2007
18

The opening and closing of the stoma are regulated by

  • A. transpiration
  • B. respiration
  • C. diffusion
  • D. osmosis
View Answer & Discuss (10) JAMB 2007
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19

Stunted growth and poor root development are a result of a deficiency in

  • A. sulpur
  • B. phosphorus
  • C. calcium
  • D. iron
View Answer & Discuss (11) JAMB 2007
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
View Answer & Discuss JAMB 2007
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