Inorganic Ions

Question 1

Roles of Ca ions (Ca^2+)

Answer 1

Nerve impulse transmission

Muscle contractions

Question 2

Roles of sodium ions (Na+)

Answer 2

Nerve impulse transmission

Kidney function

Question 3

Roles of potassium ions (K+)

Answer 3

Nerve impulse transmission

Stomatal opening

Question 4

Roles of hydrogen ions (H+)

Answer 4

Catalysis of reactions

pH determination

Question 5

Roles of ammonium ions (NH+)

Answer 5

Production of nitrate ions by bacteria

Question 6

Name the 5 cations

Answer 6

Calcium (Ca2+)
Sodium (Na+)
Potassium (K+)
Hydrogen (H+)
Ammonium (NH4+)

Question 7

Roles of Nitrate ions (NO3-)

Answer 7

Nitrogen supply to plants for amino acid and protein formation

Question 8

Roles of hydrogen carbonate ions (HCO3-)

Answer 8

Maintenance of blood ph

Question 9

Roles of Chloride ions (Cl-)

Answer 9

Balance +ve charger of Na and K ions in cells

Question 10

Role of phosphate ions (PO4^3-)

Answer 10

Cell membrane formation

Nucleic acid and ATP formation

Bone formation

Question 11

Roles of hydroxide ions (OH-)

Answer 11

Catalysis of reactions

pH determination

Question 12

Name the 5 anions

Answer 12

Nitrate (NO3-)
Hydrogen carbonate (HCO3-)
Chloride (Cl-)
Phosphate (PO4^3-)
Hydroxide (OH-)