In Traversing the Root to the Central Xylem Vessels, the Last

question 65

Multiple Choice

In traversing the root to the central xylem vessels, the last living tissue that water passes through before entering the xylem is the

• A) endodermis.
• B) pericycle.
• C) cortex.
• D) phloem.
• E) epidermis.

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Definitions:

Null Hypothesis

A default hypothesis that there is no significant difference or effect, tested against the alternative hypothesis.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it depends on the chosen level of significance.

Test Statistic

A standardized value used in hypothesis testing to determine how far a sample statistic diverges from what is assumed in the null hypothesis.