Multiple choice

Which of the following kinds of nutrient transfer takes place in seed stage of orchid and mycorrhiza?

  1. Fungus absorbs water for seed.

  2. Fungus provides essential nutrients to seed.

  3. Fungus inhibits the abscisic acid in seeds to help break their dormancy.

  4. Fungus provides sugars to seed.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Orchid seeds cannot germinate unless they have fungus that is attached. They depend on fungus to provide simple sugars.

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