WAEC Biology questions: Nutrition

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

1. Question 21· Nutrition· WAEC

   Kwashiorkor in young children is caused mainly by lack of

   • Avitamin A
   • Bcarbohydrate
   • Cprotein
   • Diron

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2. Question 22· Nutrition· WAEC

   Digested food is absorbed mainly through the

   • Alarge intestine
   • Bstomach wall
   • Cvilli of the ileum
   • Doesophagus

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3. Question 23· Nutrition· WAEC

   A variegated leaf tested for starch shows starch only in the green parts. This shows that

   • Achlorophyll is necessary for photosynthesis
   • Blight is not needed
   • Ccarbon dioxide is not needed
   • Dstarch is made in white parts

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4. Question 24· Nutrition· WAEC

   Bile helps digestion by

   • Aemulsifying fats
   • Bdigesting proteins
   • Ckilling all bacteria
   • Dabsorbing water

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5. Question 25· Nutrition· WAEC

   The raw materials for photosynthesis are

   • Aoxygen and water
   • Bstarch and carbon dioxide
   • Cglucose and oxygen
   • Dcarbon dioxide and water

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6. Question 26· Nutrition· WAEC

   The enzyme that digests starch in the mouth is

   • Atrypsin
   • Bpepsin
   • Clipase
   • Dsalivary amylase (ptyalin)

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7. Question 27· Nutrition· WAEC

   Deficiency of vitamin C causes

   • Aberiberi
   • Brickets
   • Cscurvy
   • Dnight blindness

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8. Question 28· Nutrition· WAEC

   Mistletoe has green leaves but takes water and minerals from its host tree. It is a

   • Asaprophyte
   • Bpartial parasite
   • Ctotal parasite
   • Dcarnivore

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9. Question 29· Nutrition· WAEC

   The pancreatic enzyme that digests proteins in the duodenum is

   • Aptyalin
   • Btrypsin
   • Cmaltase
   • Dlipase

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10. Question 30· Nutrition· WAEC

    Water is absorbed mainly in the

    • Astomach
    • Blarge intestine (colon)
    • Coesophagus
    • Dmouth

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    Explanation and discussion