Plants

Question 1

Carbon

Answer 1

Function-synthesis of organic compounds

Symptoms-rarely deficient

Question 2

Hydrogen

Answer 2

Functions-synthesis of organic compounds

Symptoms-not deficient, available from water

Question 3

Oxygen

Answer 3

Function-release of energy

Symptoms-not deficient, available from the atmosphere

Question 4

Nitrogen

Answer 4

Function-production of proteins, nucleic acids and chlorophyll
Symptoms-stunted growth, chlorosis

Question 5

Phosphorus

Answer 5

Function-production of nuclei can acids and membranes

Symptoms-purplish veins,stunted growth, fewer seeds or fruit

Question 6

Potassium

Answer 6

Function-activation of enzymes, cellular transport mechanisms
Symptoms-reduced growth, curled or spotted leaves, burned leaf edges

Question 7

Calcium

Answer 7

Functions-formation and maintained of cell walls, transport mechanisms
Symptoms- deformed leaves, poor root growth, death of buds

Question 8

Sulfur

Answer 8

Functions- production of proteins

Symptoms-pale green leaves, chlorosis, slow growth

Question 9

Magnesium

Answer 9

Functions-production of chlorophyll, activation of enzymes

Symptoms-chlorosis, drooping leaves

Question 10

Auxins

Answer 10

Promote cell elongation and cell division

Question 11

Gibberellins

Answer 11

Promote cell division, cell elongation and seed germination

Question 12

Cytokinins

Answer 12

Stimulate new leaf growth and cell division

Prevent aging of leaves

Question 13

Oligodaccharins

Answer 13

Makes antibodies

Question 14

Abscisic acid

Answer 14

Inhibits seed germination

Question 15

Ethylene

Answer 15

Stimulate aging and ripening