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4766

The diagrams above are illustrations of two different cells involved in biological processing in mammals. Study them and answer this question.

If the number of chromosomes in the skin cells of mammals is 46, how many chromosomes would be found in P and Q respectively?

  • A. 23 and 23
  • B. 23 and 46
  • C. 46 and 23
  • D. 46 and 46.
View Answer & Discuss (3) WAEC 2022
4767

 In which of the following structures is simple sugar produced?

  • A. Vacuole
  • B. Cytoplasm
  • C. Chloroplast
  • D. Cell wall
View Answer & Discuss (10) WAEC 2022
4768

An evidence of the occurrence of photosynthesis in an experiment is the?

  • A. release of carbon (IV) oxide
  • B. release of oxygen
  • C. formation of water molecules
  • D. formation and release of fructose
View Answer & Discuss (4) WAEC 2022
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4769

The major source of vitamin A are ?

  • A. egg yolk, carrot and palm oil
  • B. mango, pawpaw,and eggs
  • C. sorghum,soya bean and liver
  • D. rice,bran,green vegetables and milk
View Answer & Discuss (2) WAEC 2022
4770

Diagram J is a protease while diagrams K,L,M, and N are food substances, study them and answer this question.

Protease J would react with the particular illustrated substance because enzymes? 

  • A. are denatured at a high frequency  
  • B. are specific in their action  
  • C. remain unchanged after a reaction
  • D. speed 
View Answer & Discuss (1) WAEC 2022
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