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Thursday, 12 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 1036:
Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed healing of wounds; III. Rickets; IV Sterility in animals
V Failure of blood to clot; VI. Night blindness
Which of the following combination of food substances would correct the deficiency numbered II?
  • A Tomatoes, oranges and mangoes
  • B Yeast, liver and rice
  • C Red palm oil, carrot and egg yolk
  • D Green vegetables, butter and meat
View Answer & Explanation
Question 1037:
Which of the following food substances would produce a translucent mark when rubbed on a white paper?
  • A Potato
  • B Beans
  • C Mango
  • D Groundnut
View Answer & Explanation
Question 1038:
If an enzyme works best in an acid medium, in which of the following parts of the human gut is the pH best for
enzyme activities? In the
  • A Ileum, pH 9.0
  • B Stomach, pH 2.0
  • C Duodenum, pH 7.0
  • D Mouth cavity; pH 8.0
View Answer & Explanation
Question 1039:
Which of the following organisms is not considered as a parasitic plant?
  • A Cassytha
  • B Rhizopus
  • C Dodder
  • D Mistletoe
View Answer & Explanation
Question 1040:
The examples of autotrophic organisms include the following except
  • A Euglena
  • B Chlamydomonas
  • C Hydra
  • D Spirogyra
View Answer & Explanation