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Thursday, 02 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 1:
Root hairs are developed from the
  • A Root apex
  • B Epidermis of root
  • C Vascular bundles
  • D Endodermis
  • E Pericycle
View Answer & Explanation
Question 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
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Question 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 & Explanation
Question 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
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Question 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 & Explanation