Concept:Zinc deficiency mainly affects growth and immunity, not typically causing constipation.
Solution:Zinc is important for normal growth and development, so a lack of zinc can result in decreased growth in a child.
Zinc is also needed for a healthy immune system, so its deficiency can weaken the body’s ability to fight infection.
Anaemia and constipation are not the main signs of zinc deficiency. Anaemia is commonly linked to iron deficiency, and zinc deficiency is linked with diarrhoea rather than constipation.
Therefore, the correct effects are I and III only.
Answer:Option B (I and III only)