Y12 quiz on inorganic ions uses in Biology

Match the following

• Positively charged ion

• Cation

• Negatively charged ion

• Inorganic

• Not containing carbon and hydrogen

• Ion

• An atom or molecule with a net electric charge due to the loss or gain of one or more electrons

• Anion

Organize these options into the right categories

Groups:

(a) Cations

,

(b) Anions

• Ammonium ions

• Potassium ions

• Hydrogencarbonate ions

• Chloride ions

• Hydroxide ions

• Nitrate ions

• Sodium ion

• Calcium ions

• Hydrogen ions

• Phosphate ions

Atoms or molecules that ​ (a)   electrons are called ​ (b)   , whereas atoms that gain electrons are called ​ (c)   . Loss of electrons is called ​ (d)   and gain of electrons is called ​ (e)   .

• lose
• cations
• anions
• gain
• onions
• steal
• positively-charged ions
• negatively-charged ions
• oxidation
• reduction

Draw a plant that has nitrate deficiency

Which of the following is NOT a use of chloride ions

• Helps maintain water balance

• Involved in regulation of blood pH

• A component of nucleic acids

• Production of hydrochloric acid in the stomach

Which is the correct symbol for nitrate ions?

• NO^3-

• NO_2-

• NO^₂-

• NO₃^-

List some uses of calcium ions

Match the following ions to their symbols

• OH^-

• Phosphate ions

• HCO₃^-

• Hydroxide ions

• Cl^-

• Hydrogencarbonate ions

• NH₄⁺

• Chloride ions

• PO₃^-

• Ammonium ions

Put the ions into the correct function category

Groups:

(a) Blood clotting

,

(b) Transport of carbon dioxide

,

(c) Component of proteins

,

(d) Turgidity in plant cells

• NH₄⁺

• NO₃^-

• Cl^-

• HCO₃^-

• H⁺

• K⁺

• Ca²⁺

Choose the correct deficiency symptoms for the following ions

• Weakness and paralysis

• Potassium ions in animals

• Weak bones and teeth

• Phosphate ions in plants

• Lethargy and constipation

• Chloride ions in animals

• Poor root growth and purplish leaves

• Calcium ions in animals

• Yellowing and curling of leaves

• Potassium ions in plants