In an Experiment, You Find That the Addition of Arbuscular

question 33

Multiple Choice

In an experiment, you find that the addition of arbuscular mycorrhizal fungi to the soil improves the growth rate of tomato plants. Which of the following conclusions are supported by your experiment?

• A) Hyphae of fungi were able to penetrate the walls of the tomato root cells.
• B) Tomato plants associate with mycorrhizal fungi.
• C) Arbuscular mycorrhizal fungi can supply tomato plants with nutrients and water.
• D) The soil used was deficient in nitrogen or phosphorus.
• E) All of the above answers apply.

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