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Thursday, 02 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 16:
Which of these statement below is not a characteristic of wind pollinated flower?
  • A Stigmas are usually large and feathery
  • B Nectar is usually absent
  • C The pollen grains have rough spiny surfaces
  • D The flowers are not scented
  • E The pollen is light and smooth
View Answer & Explanation
Question 17:
Which of the following is not an excretory organ in animals?
  • A Lungs
  • B Kidney
  • C Leaf
  • D Large intestine
  • E Skin
View Answer & Explanation
Question 18:
When the ciliary muscles of the eye contract, the eye lens
  • A Bulge
  • B Contracts
  • C Rotates
  • D Flattens
  • E Is rounded
View Answer & Explanation
Question 19:
which of these diseases cannot be controlled by killing the vector?
  • A River blindness
  • B Malaria
  • C Polio
  • D Cholera
  • E Bilharzia (shistosoma)
View Answer & Explanation
Question 20:
In which of these association is much harm done to one of the partners?
  • A Symbiosis
  • B Epiphytism
  • C Commensalism
  • D Parasitism
  • E Mutualism
View Answer & Explanation