CCA International Exam 2025: Ultimate Nutrient Management Study Guide & Practice Test

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CCA International Exam Nutrient
Management Newest 2025/2026 Complete
All 170 Questions And Correct Answers
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Which of the following is not an essential nutrient for
plants?
A. N
B. Cu
C. Na
D. H - . . ANSWER ✔ ✔C. Na


Which of the following plant nutrients is a cation in the
soils?
A. Cl
B. K
C. Mo
D. S - . . ANSWER ✔ ✔B. Potassium


Which of the following plant nutrients is a macro?
A. Cu

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B. S
C. Mn
D. B - . . ANSWER ✔ ✔B. Sulfur


Which of the following regulates stomatal openings in
plants?
A. N
B. P
C. Fe
D. K - . . ANSWER ✔ ✔D. Potassium


Which of the following is a beneficial element that is
important to animal nutrition?
A. Si
B. Na
C. Co
D. Se - . . ANSWER ✔ ✔D. Sellenium


Which of the following plant nutrients form is the most
immobile in soil?
A. Nitrate
B. Sulfate

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C. Phosphate
D. Chloride - . . ANSWER ✔ ✔C. Phosphate


Which of he following is an uptake form of nitrogen?
A. NH3
B. NO3-
C. NO2
D. N2 - . . ANSWER ✔ ✔B. NO3-


Which of the following is an uptake form of phosphorus?
A. P2O5
B. P+
C. H2PO4
D. KP - . . ANSWER ✔ ✔C. H2PO4


Which of the following is a chemical uptake form of
potassium?
A. K2O
B. K-
C. KO
D. K+ - . . ANSWER ✔ ✔D. K+

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Which of the following is a micro?
A. Cu
B. Ca
C. Mg
D. S - . . ANSWER ✔ ✔A. Cu


At which of the following plant growth stages would you
expect the highest demand for nutrients?
A. Germiniation
B. Seedling
C. Vegetative
D. Reproductive - . . ANSWER ✔ ✔C. Vegetative


Chelates are commonly used to make which nutrient more
available?
A. N
B. P
C. Mo
D. Fe - . . ANSWER ✔ ✔D. Fe