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Biology Past Questions and Answers

Jamb Biology Questions

Question 21:
JAMB 1995
When a healthy shoot of a flowering plant is illuminated from one side, auxins, accumulate on the
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  • A Non-illuminated side of the shoot
  • B Illuminated side of the shoot
  • C Upper side of the shoot
  • D Lower side of the shoot
View Answer & Explanation
Question 22:
JAMB 1995
The type of placentaion shown is
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  • A Axial
  • B Marginal
  • C Parietal
  • D Central
View Answer & Explanation
Question 23:
JAMB 1995
An example of a plant having the placentation shown is
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  • A Allamander
  • B Hibiscus
  • C Water lily
  • D Pride of Barbados
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Question 24:
JAMB 1995
The term caryopsis is used to describe a fruit in which the
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  • A Testa and pericarp are separate
  • B Seed and endocarp are fused
  • C Testa and pericarp are fused
  • D Seed coat and fruit wall are impermeable
View Answer & Explanation
Question 25:
JAMB 1995
The sex of a foetus is determined during
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  • A Meiosis
  • B Copulation
  • C Fertilization
  • D Placentation
View Answer & Explanation

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