Gravitropism in Plant Shoots and Roots Differ in That

question 33

Multiple Choice

Gravitropism in plant shoots and roots differ in that

• A) only shoots depend upon auxin distribution.
• B) only shoots depend upon the aggregation of statoliths.
• C) only roots exhibit rapid elongation of specific cells.
• D) only roots sense gravity at the tips.
• E) the threshold and response time is much less in shoots than in roots.

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