Select all that are true regarding the rhizosphere and rhizobacteria.   a. the rhizosphere is the metabolically active zone about 2 mm around plant roots in the soil   b. Nitrogen gas is not usable for most organisms   c. rhizobacteria partner with the crucifer (cabbage) family   d. rhizobacteria provide plants with increased access to water and minerals   e. plants provide rhizobacteria with carbohydrates and shelter   f. the initial interaction between plants and rhizobacteria occurs when the plants release NOD factors into the soil   g. the nitrogen fixing form of rhizobia is called a bacteroid   h. the interaction between rhizobia and plant roots is the basis for using green manure in agriculture

Nutrition Now
8th Edition
ISBN:9781337415408
Author:Brown
Publisher:Brown
Chapter21: Phytochemicals
Section: Chapter Questions
Problem 15RQ
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  1. Select all that are true regarding the rhizosphere and rhizobacteria.

      a.

    the rhizosphere is the metabolically active zone about 2 mm around plant roots in the soil

      b.

    Nitrogen gas is not usable for most organisms

      c.

    rhizobacteria partner with the crucifer (cabbage) family

      d.

    rhizobacteria provide plants with increased access to water and minerals

      e.

    plants provide rhizobacteria with carbohydrates and shelter

      f.

    the initial interaction between plants and rhizobacteria occurs when the plants release NOD factors into the soil

      g.

    the nitrogen fixing form of rhizobia is called a bacteroid

      h.

    the interaction between rhizobia and plant roots is the basis for using green manure in agriculture

    2. Select all that are true regarding the rhizosphere and rhizobacteria.

      a.

    the rhizosphere is the metabolically active zone about 2 mm around plant roots in the soil

      b.

    Nitrogen gas is not usable for most organisms

      c.

    rhizobacteria partner with the crucifer (cabbage) family

      d.

    rhizobacteria provide plants with increased access to water and minerals

      e.

    plants provide rhizobacteria with carbohydrates and shelter

      f.

    the initial interaction between plants and rhizobacteria occurs when the plants release NOD factors into the soil

      g.

    the nitrogen fixing form of rhizobia is called a bacteroid

      h.

    the interaction between rhizobia and plant roots is the basis for using green manure in agriculture

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