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Sunday, 16 August 2026
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Biology Past Questions and Answers

Topic: Reproduction in mammals

Jamb Biology Questions - Reproduction in mammals

Question 6:
In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called
  • A Sexual reproduction
  • B Cohesion
  • C Pregnancy
  • D Implantation
  • E Viviparity
View Answer & Explanation
Question 7:
Which of the following structure is NOT found in the female agama lizard?
  • A Pre-anal pads
  • B Eardrum
  • C Gular fold
  • D Nasal scale
  • E Nuchal crest
View Answer & Explanation
Question 8:
The seedlings in rice field were found to have thin lanky growth with reddish leaves and poor root development. This is because the soil lacks
  • A Sulphur
  • B Phosphorus
  • C Potassium
  • D Iron
View Answer & Explanation
Question 9:
In which of the following does external fertilization takes place?
  • A Toad
  • B Lizard
  • C Bird
  • D Cockcroach
View Answer & Explanation
Question 10:
During mammalian embryo development, large amounts of oestrogen and progesterone are produced in the
  • A Umbilical cord
  • B Amnion
  • C Placenta
  • D Amniotic fluid
View Answer & Explanation