Macronutrients
A) are so called because they are more essential than micronutrients.
B) include manganese, boron, and zinc, among others.
C) function as catalysts.
D) are required in concentrations of at least 1 gram per kilogram of plant dry matter.
E) are obtained by the process of photosynthesis.
Correct Answer:
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Q7: Nitrogen fixation is
A) performed only by plants.
B)
Q8: _ are available to the plant in
Q9: Which of the following is a parasite?
A)
Q10: A photoautotroph acquires its carbon from
A) the
Q11: Which of the following is not true
Q13: Most plants continuously obtain new sources of
Q14: All carnivorous plants
A) are parasites.
B) depend on
Q15: Fertilizers
A) are often characterized by their N-P-O
Q16: In a typical soil,
A) the topsoil tends
Q17: Plants acquire minerals from the soil
A) by
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