The Following Question Is Based on the Drawings of Root

question 22

Multiple Choice

The following question is based on the drawings of root or stem cross sections shown in the figure. Refer to the figure. Which of the following represents a plant at least three years old?

• A) I only
• B) II only
• C) III only
• D) IV only

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Definitions:

Medulla Oblongata

The lower portion of the brainstem responsible for regulating vital functions, such as heart rate, breathing, and blood pressure.

Skull

The bony structure forming the head in vertebrates, supporting the structures of the face and protecting the brain.

Death

The permanent cessation of all biological functions that sustain a living organism.

Heart Rate

The number of heartbeats per unit of time, typically expressed as beats per minute (bpm), which can vary depending on the body's physical needs.