(A) Morphological changes which are indicative of certain element deficiencies are known a deficiency symptoms. |
(B) For activity, the mobilized element deficiency symptoms first appear in older tissues. |
(C) When an element is relatively immobile, the deficiency symptom first appears in younge tissue. |
(D) The mineral nutrition study of plant has great significance to agriculture and horticulture. |
A) T T F F
B) T T T T
C) T F F T
D) F F F T
Correct Answer: D
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