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Friday, 03 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 11:
The stage in the life history of a moth responsible for the destruction of agricultural crops is the
  • A Nymph
  • B Imago
  • C Pupa
  • D Caterpillar
View Answer & Explanation
Question 12:
The blackfly is a vector of
  • A Malaria
  • B Trypanosomiasis
  • C Onchocerciasis
  • D Yellow fever
View Answer & Explanation
Question 13:
The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the
  • A Collar bones and coccyx
  • B Pectoral and pelvic girdles
  • C Scapulae and clavicles
  • D Vertebrae and sternum
View Answer & Explanation
Question 14:
The main function of the caudal fin in Tilapia is to
  • A Propel it forward in water
  • B Steer it while changing direction
  • C Balance it in water
  • D Enable it to float in water
View Answer & Explanation
Question 15:
In the root vascular system, the stele is directly surrounded by the
  • A Pericycle
  • B Cortex
  • C Endodermis
  • D Parenchyma
View Answer & Explanation