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Friday, 03 April 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 156:
If a germinating seed is attached horizontally on a revolving klinostat, what will be the effect of the seedling after three days? The
  • A Plumule will curve vertically upward while the radicle will curve towards the ground
  • B Plumule and radicle will not show any curvature
  • C Radicle will curve towards the ground while the plumule will not show any curvature
  • D Plumule will curve vertically upward while the radicle will not show any curvature
  • E Plumule and radicle will curve towards the ground
View Answer & Explanation
Question 157:
The human skin is regarded as a sense organ because it
  • A Separates the body from the outside world
  • B Protects the body from cold and heat
  • C Regulates the water content of the body
  • D Has an outer layer of dead cells
  • E Has nerve endings
View Answer & Explanation
Question 158:
The part of the brain responsible for the control the controls of voluntary movement and interpretation of sensation is the
  • A Cerebrum
  • B Cerebellum
  • C Optic lobe
  • D Medulla oblongata
  • E Olfactory lobe
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Question 159:
Which part of the ear is responsible for the maintenance of balance?
  • A Ossicles
  • B Tympanic membrane
  • C Eustachian tube
  • D Semicircular canals
  • E Cochlea
View Answer & Explanation
Question 160:
Which of the following is not part of the female reproductive system?
  • A Ovary
  • B Seminal vessicles
  • C Uterus
  • D Vagina
  • E Fallopian tube
View Answer & Explanation