Which of the Following Conclusions Is Supported by the Research

question 99

Multiple Choice

Which of the following conclusions is supported by the research of both Went and Charles and Francis Darwin on shoot responses to light?

• A) When shoots are exposed to light, a chemical substance migrates toward the light.
• B) Agar contains a chemical substance that mimics a plant hormone.
• C) A chemical substance involved in shoot bending is produced in shoot tips.
• D) Once shoot tips have been cut, normal growth cannot be induced.
• E) Light stimulates the synthesis of a plant hormone that responds to light.

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Definitions:

Confidence interval estimate

A range or interval of values, calculated from the sample data, within which the true population parameter is expected to lie, with a certain level of confidence.

Systolic blood pressure

The pressure in the arteries when the heart beats and fills them with blood.

Population mean

The average of a set of characteristics or values for the entire population.

Confidence interval estimate

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, given a specified level of confidence.