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WAEC Biology questions

353 questions with answers and explanations. Tap an option to check yourself.

AllJAMBWAEC
All topicsCell structure and organisation · 26Cellular activities · 24Co-ordination and control · 27Ecology · 33Evolution · 18Excretion · 22Growth · 18Heredity and variation · 24Nutrition · 30Reproduction · 29Respiration · 25Support and movement · 22Transport · 27Variety of organisms · 28

  1. Question 221· Nutrition· WAEC

    The pancreatic enzyme that digests proteins in the duodenum is

    Explanation and discussion

  2. Question 222· Nutrition· WAEC

    Water is absorbed mainly in the

    Explanation and discussion

  3. Question 223· Reproduction· WAEC

    The fusion of a male gamete with a female gamete is called

    Explanation and discussion

  4. Question 224· Reproduction· WAEC

    Which is a method of vegetative propagation?

    Explanation and discussion

  5. Question 225· Reproduction· WAEC

    The placenta allows

    Explanation and discussion

  6. Question 226· Reproduction· WAEC

    Fertilisation in humans normally occurs in the

    Explanation and discussion

  7. Question 227· Reproduction· WAEC

    Which of these reproduces by binary fission?

    Explanation and discussion

  8. Question 228· Reproduction· WAEC

    Identical twins are formed when

    Explanation and discussion

  9. Question 229· Reproduction· WAEC

    Maize flowers are wind-pollinated. A feature that helps this is

    Explanation and discussion

  10. Question 230· Reproduction· WAEC

    After fertilisation, the ovule becomes the

    Explanation and discussion

  11. Question 231· Reproduction· WAEC

    After fertilisation, the part of a flower that becomes the fruit is the

    Explanation and discussion

  12. Question 232· Reproduction· WAEC

    After fertilisation, the ovary develops into the

    Explanation and discussion

  13. Question 233· Reproduction· WAEC

    The male gamete of a flowering plant is formed in the

    Explanation and discussion

  14. Question 234· Reproduction· WAEC

    Ovulation in a 28-day menstrual cycle usually occurs around day

    Explanation and discussion

  15. Question 235· Reproduction· WAEC

    The transfer of pollen grains from the anther to the stigma is

    Explanation and discussion

  16. Question 236· Reproduction· WAEC

    After ovulation, the human egg passes towards the uterus along the

    Explanation and discussion

  17. Question 237· Reproduction· WAEC

    A fruit that develops from one flower with many separate carpels, such as the custard apple, is

    Explanation and discussion

  18. Question 238· Reproduction· WAEC

    In humans, the egg is produced in the

    Explanation and discussion

  19. Question 239· Reproduction· WAEC

    The male gamete in flowering plants is formed in the

    Explanation and discussion

  20. Question 240· Reproduction· WAEC

    Cotyledons that are carried above the ground during germination indicate

    Explanation and discussion

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