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Biology Past Questions and Answers

Jamb 2009 Biology Questions

Question 16:
The reproductive system of a male mammal is made up of
  • A Claspers, prostrate, gland, sperm duct and vas deferens
  • B Testis, prostrate gland, sperm duct and vas deferens
  • C Oviduct, urethra, testis and sperm duct
  • D Testis, uterus, prostrate gland and sperm duct
View Answer & Explanation
Question 17:
In a bean seed, absorption of water at the beginning of germination is through the
  • A Hilium
  • B Micropyle
  • C Testa
  • D Plumule
View Answer & Explanation
Question 18:
The most important ecological factor in a terrestrial environment is
  • A Rainfall
  • B Humidity
  • C Wind
  • D Soil
View Answer & Explanation
Question 19:
The association between bacteria residing in the caecum and the ruminant is
  • A Parastitism
  • B Predation
  • C Saprophytism
  • D Mutualism
View Answer & Explanation
Question 20:
A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is
  • A Isotonic to sea water
  • B Hypotonic to sea water
  • C Hypertonic to sea water
  • D Impervious to sea water
View Answer & Explanation