Which Statement About Roots and Mycorrhizae Is True

question 62

Multiple Choice

Which statement about roots and mycorrhizae is true?

• A) Most land plants today take up water only through their roots.
• B) Mycorrhizae are very good at absorption because they provide large amounts of surface area.
• C) The ability of roots to take up water increases with thickness because thicker roots develop a water-resistant waxy coating.
• D) Mycorrhizae allow less exploration of the soil for water and nutrients.

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Definitions:

Pentanal

An organic compound that is a five-carbon aldehyde with the formula C5H10O, characterized by a pungent smell.

Sequence

A particular order in which related events, movements, or things follow each other.

Chromic Acid

An oxidizing agent composed of chromium trioxide or sodium dichromate in water; used for cleaning laboratory glassware and in oxidation reactions.

2° Alcohol

Also known as a secondary alcohol, it is an alcohol where the hydroxyl (-OH) group is attached to a carbon atom that is bonded to two other carbon atoms.