What Do the Results of Research on Gravitropic Responses of Roots

question 28

Multiple Choice

What do the results of research on gravitropic responses of roots and stems show?

• A) Different tissues have the same response to auxin.
• B) The effect of a plant hormone can depend on the tissue.
• C) Some responses of plants require no hormones at all.
• D) Light is required for the gravitropic response.
• E) Cytokinin can only function in the presence of auxin.

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Definitions:

Neutral Stimulus

A stimulus that initially does not elicit a strong reaction until it is associated with an unconditioned stimulus.

Classically Conditioned Response

A learned response elicited by a previously neutral stimulus after it has been repeatedly associated with an unconditioned stimulus.

Work Setting

The physical and social context or environment where an individual performs their job or professional activities.

Organizational Norms

Shared standards, values, or rules that dictate the behavior of members within an organization.