Search SchoolNGR

Saturday, 04 April 2026
Register . Login

Biology Past Questions and Answers

Waec Biology Questions

Question 491:
In which of the underlisted blood groupings is agglutination likely to occur during transfusion?
  • A I
  • B II
  • C III
  • D IV
  • E V
View Answer & Explanation
Question 492:
Which of the following is not a morphological variation
  • A Shape of nose
  • B Colour of skin
  • C Colour of eyes
  • D Ear lobe
  • E Tongue rolling
View Answer & Explanation
Question 493:
In man haemophilia is recessive and sex linked, The
probability of carrier mother and a normal father having a haemophilic male is
  • A 1/4
  • B 1/8
  • C 2/3
  • D 1/2
  • E 1
View Answer & Explanation
Question 494:
In which of the following is the knowledge of genetics not applicable?
  • A Development of high-yielding varieties
  • B Preservation of seeds
  • C Development of early maturing varieties
  • D Development of early maturing seed
View Answer & Explanation
Question 495:
In an inter-species competition, the less successful species usually
  • A Reproduce faster
  • B Become more active
  • C Become domant
  • D Occupy more space
  • E Become eliminated
View Answer & Explanation