INORGANIC : micronutrients needed by plants and animals

Question 1

iron (Fe)

Answer 1

plants: important role in chlorophyll synthesis. ( deficiency: chlorosis)
animal: activates various enzymes. (deficiency: Anaemia + blood not able to carry enough O2 to body cells because haemoglobin is abnormal)

Question 2

iodine (I)

Answer 2

animals: part of hormone thyroxin made in the thyroid gland (deficiency: Goitre= lack of iodine in diet causes thyroid gland to swell )