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Biology Past Questions and Answers

Waec Biology Questions

Question 536:
WAEC 1998
The role of bacteria in the nitrogen cycle includes the following except
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  • A Fixing atmospheric nitrogen
  • B Converting ammonia to nitrites
  • C Converting nitrites to nitrates
  • D Converting carbohydrates to carbondioxide
  • E Causing the decay of dead organisms
View Answer & Explanation
Question 537:
WAEC 1998
The mode of nutrition which describes feeding habit in animals is
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  • A Autotrophic
  • B Holozoic
  • C Holophytic
  • D Saprophytic
  • E Photosynthetic
View Answer & Explanation
Question 538:
WAEC 1998
Which of the following organisms has homodont dentition?
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  • A Rabbit
  • B Man
  • C Sheep
  • D Cat
  • E Lizard
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Question 539:
WAEC 1998
The pancreatic duct opens into the
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  • A Caecum
  • B Colon
  • C Ileum
  • D Duodenum
  • E Oesophagus
View Answer & Explanation
Question 540:
WAEC 1998
The enzyme that acts on milk in the stomach is
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  • A Invertase
  • B Trypsin
  • C Diastase
  • D Renin
  • E Ptyalin
View Answer & Explanation

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