minerals

Question 1

nitrate ions

Answer 1

contain nitrogen for making amino acids and proteins. Needed for cell growth in a plant. without nitrate-stunted and all the leaves will turn yellow

Question 2

Phosphate ions.

Answer 2

contain phosphorus for making DNA in cell membranes. Needed for respiration and growth. without phosphate-poor root growth and all the leaves are purple

Question 3

potassium ions

Answer 3

helps enzymes needed for photosynthesis and respiration. Not enough potassium in soil-plants poor flower and fruit growth and discoloured leaves.

Question 4

magnesium ions

Answer 4

makes chlorophyll needed for photosynthesis. Plants without magnesium have yellow leaves.