WAEC Biology questions: Transport

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

1. Question 21· Transport· WAEC

   The heart valve between the left atrium and left ventricle is the

   • Abicuspid (mitral) valve
   • Btricuspid valve
   • Csemilunar valve
   • Dpulmonary valve

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   Explanation and discussion

2. Question 22· Transport· WAEC

   The thickest wall of the heart is that of the

   • Aleft ventricle
   • Bright ventricle
   • Cleft atrium
   • Dright atrium

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   Explanation and discussion

3. Question 23· Transport· WAEC

   Water is transported in flowering plants through the

   • Aphloem
   • Bxylem
   • Ccambium
   • Dcortex

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   Explanation and discussion

4. Question 24· Transport· WAEC

   In mammals, blood is pumped to the lungs by the

   • Aleft ventricle
   • Bright ventricle
   • Cleft atrium
   • Dright atrium

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   Explanation and discussion

5. Question 25· Transport· WAEC

   The loss of water vapour from the aerial parts of a plant is

   • Aguttation
   • Btranslocation
   • Ctranspiration
   • Dosmosis

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   Explanation and discussion

6. Question 26· Transport· WAEC

   White blood cells defend the body by

   • Aclotting blood
   • Bcarrying oxygen
   • Cengulfing germs and producing antibodies
   • Dcarrying carbon dioxide

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   Explanation and discussion

7. Question 27· Transport· WAEC

   In flowering plants, water is transported from the roots to the leaves through the

   • Aphloem
   • Bxylem
   • Ccambium
   • Depidermis

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   Explanation and discussion