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Study the following list of deficiency symptoms... - WAEC Biology 2006 Question

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 deficiencies is caused by lack of vitamin A

A
I
B
III
C
V
D
VI
correct option: d
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