A Root Is Called Adventitious If It

question 59

Multiple Choice

A root is called adventitious if it

• A) forms a mycorrhizal association.
• B) belongs to a fibrous root system.
• C) originates from a stem.
• D) is modified for storage.
• E) is actively growing.

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Definitions:

Negative Feedback Mechanism

A regulatory process in biological systems where the output of a system inhibits or slows the processes leading to the output, ensuring stability.

Stimulus

Any external or internal factor that influences the activity of a living organism or any of its parts.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood.

Blood Calcium Levels

The concentration of calcium in the blood, essential for various bodily functions including bone formation, nerve transmission, and muscle contraction.