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Biology 1983 JAMB Past Questions

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1
Root hairs are developed from the
  • A. root apex
  • B. epidermis of root
  • C. vascular bundles
  • D. endodermis
  • E. pericycle
View Answer & Discuss (6) JAMB 1983
2
In a dicot leaf, guard cells differ from other epidermal cells because they
  • A. have no definite shape
  • B. lack nuclei
  • C. are smaller
  • D. contain chloroplast
  • E. lack vacuole
View Answer & Discuss (2) JAMB 1983
3
Which of the following structure is NOT found in the female agama lizard?
  • A. Pre-anal pads
  • B. Eardrum
  • C. Gular fold
  • D. Nasal scale
  • E. Nuchal crest
View Answer & Discuss (25) JAMB 1983
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4
Herbs differ from shrubs because they
  • A. do not produce fruit
  • B. are useful to herbalist
  • C. do not become woody
  • D. are only annual
  • E. are only perennials
View Answer & Discuss (3) JAMB 1983
5
If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be
  • A. a protein
  • B. a cabohydrate
  • C. a fat
  • D. a fatty acid and glycerol
  • E. an amino acid
View Answer & Discuss (10) JAMB 1983
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