WAEC Biology questions: Cell structure and organisation

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

1. Question 21· Cell structure and organisation· WAEC

   Chloroplasts contain the green pigment

   • Ahaemoglobin
   • Bmelanin
   • Cchlorophyll
   • Dcarotene

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   Explanation and discussion

2. Question 22· Cell structure and organisation· WAEC

   The cell membrane is described as selectively permeable because it

   • Aallows some substances to pass but not others
   • Blets everything pass
   • Clets nothing pass
   • Dis made of cellulose

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   Explanation and discussion

3. Question 23· Cell structure and organisation· WAEC

   A group of similar cells performing the same function forms a

   • Aorganism
   • Borgan
   • Csystem
   • Dtissue

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   Explanation and discussion

4. Question 24· Cell structure and organisation· WAEC

   A structure present in a typical plant cell but absent from an animal cell is the

   • ACell membrane
   • BMitochondrion
   • CNucleus
   • DCell wall

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   Explanation and discussion

5. Question 25· Cell structure and organisation· WAEC

   The site of aerobic respiration in a cell is the

   • Aribosome
   • Bchloroplast
   • Cnucleus
   • Dmitochondrion

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6. Question 26· Cell structure and organisation· WAEC

   Which structure is found in animal cells but NOT in plant cells?

   • Acell wall
   • Bcentriole
   • Cchloroplast
   • Dlarge vacuole

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   Explanation and discussion