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Biology 2012 WAEC Past Questions

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21
When fertilization occurs that leads to formation of a zygote, which of the following processes takes place?
  • A. The tail of the sperm fuses with the egg cell
  • B. Both tail and head of the sperm fuse with the egg cell
  • C. The nucleus of the sperm fuses with the egg cell
  • D. The egg cell develops on its own without the sperm
View Answer & Discuss WAEC 2012
22
Which of the following structures in a flower develops into the seed?
  • A. Testa
  • B. lntegument
  • C. Ovule
  • D. Ovary
View Answer & Discuss WAEC 2012
23
An illustration of a human male reproductive system is shown above. Which
of the labelled parts can be cut to-ensure permanent sterility?
  • A. I
  • B. II
  • C. III
  • D. IV
View Answer & Discuss (2) WAEC 2012
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24

The brightly coloured petals in some plants is an adaptive colouration for

  • A. feeding
  • B. pollination
  • C. dispersal
  • D. shedding
View Answer & Discuss (3) WAEC 2012
25
Squirrels easily kill some trees because
  • A. they inject poisonous substances into the trees.
  • B. most trees are susceptible to squirrel bites
  • C. they feed voraciously on the roots
  • D. they gnaw the bark and destroy
View Answer & Discuss (1) WAEC 2012
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