Page 19 - Biology Form Two

Biology for Secondary Schools

Mineral Sources Functions Deficiency symptoms
Manganese Found in most plant (i) Helps in the (i) Nausea
foods, kidneys, formation of bones (ii) Dizziness
liver, tea, coffee, (ii) Activation (iii) Loss of hearing
nuts, and fruits of enzymes (iv) Loss of bone mass
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(Coenzyme)

Copper Whole grains, meat, (i) Synthesis of bones (i) Bleeding under
drinking water, fish, and haemoglobin the skin
liver, legumes, nuts, (ii) Activation (ii) Easy rupturing of
and other seeds of enzymes blood vessels
(Coenzyme) (iii) Bones and joints
problems
(iv) Anaemia
Iron Liver, lean meat, (i) Essential for Anaemia
fish, chicken, egg making red
yolk, legumes, pigment in blood
kidney, beans, and (haemoglobin)
green vegetables (ii) Essential for
energy production

Zinc Oysters, shrimp, (i) Necessary for a (i) Impaired taste
crab, meat, fish, healthy immune (ii) Poor immune
chicken, whole system response
grains, and (ii) Controls normal (iii) Skin problems
vegetables growth and sexual
maturation
(iii) Activation of
enzymes
(iv) Helps in wound
healing
(v) Helps in taste
detection
(vi) Promotes protein
synthesis and DNA
production

Student’s Book - Form Two 13

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BIOLOGY FORM 2 NEW.indd 13