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Saturday, 04 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 21:
The lumbar vertebra when compared with a thoracic vertebra has a
  • A Longer neural spines
  • B Wider neural canal
  • C Thicker centrum
  • D Shorter transverse process
View Answer & Explanation
Question 22:
Wind pollinated flowers usually have
  • A Rough pollen grains
  • B Sticky stigmas
  • C Small and short stigmas
  • D Long styles
View Answer & Explanation
Question 23:
The components of castor oil seed and the maize grain are similar EXCEPT for the
  • A Number of cotyledons
  • B Location of the embryo
  • C Number of radicles
  • D Number of plumules
View Answer & Explanation
Question 24:
A corn differs from a bulb in that
  • A Its stem is the main food storage organ
  • B It has a flattened discshaped stem
  • C Buds are absent in the axils of the leaves
  • D Adventitious roots are present
View Answer & Explanation
Question 25:
Exponential increase in the population of an organism is a characteristic feature off
  • A Binary fission
  • B Sexual reproduction
  • C Budding
  • D Vegetative propagation
View Answer & Explanation