Respond to statements 86–90 with reference to the five plant
micronutrients listed below.
a. iron
b. boron
c. manganese
d. zinc
e. copper
D 86. This nutrient is needed for normal root development.
D 87. This nutrient plays an important role in terminal bud
formation.
D 88. Deficiency of this nutrient results in chlorosis, dead
spots in leaves, and stunted growth.
D 89. Deficiency of this nutrient results in chlorosis and
yellow, green striping in leaves of grasses.
D 90. Deficiency of this nutrient results in leaves with dark
veins, but leaves whiten and fall off.
Answers: 86. d, 87. b, 88. e, 89. a, 90. c
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