Search SchoolNGR

Sunday, 05 April 2026
Register . Login

Biology Past Questions and Answers

Biology Questions

Question 281:
Which of these parts of the mammalian ears is directly concerned with the sense of balance?
  • A Cochlea
  • B Eustachian tube
  • C Ear-drum
  • D Pinna
  • E Semicircular canals
View Answer & Explanation
Question 282:
When freshly tapped palm wine was kept overnight it was found to be more alcoholic. This effect must have been due to
  • A The addition of saccharin
  • B The addition of sugar
  • C The addition of whisky or local gin
  • D Some complex hydrolytic reaction
  • E Anaerobic respiration of an organism
View Answer & Explanation
Question 283:
If a farmer left his land uncultivated for five years before returning to it, he must be practising
  • A Modern agriculture
  • B Strip cropping
  • C Contour ridging
  • D Crop rotation
  • E The bush fallow system
View Answer & Explanation
Question 284:
A pyramid of numbers can be defined as
  • A The number of plants and animals in an ecosystem
  • B An arrangement of organism according to their habitat
  • C The numerical relationships of a food chain
  • D The number of plants and animals in a population
  • E The total number of species and general in a community
View Answer & Explanation
Question 285:
In man, spermatozoa are never found in the
  • A Testis
  • B Urethra
  • C Epididymis
  • D Prostrate glands
  • E Vas deferens
View Answer & Explanation