The Driving Force That Pushes the Root Tip Through the Soil

question 18

Multiple Choice

The driving force that pushes the root tip through the soil is primarily ________.

• A) continuous cell division in the root cap at the tip of the root
• B) continuous cell division just behind the root cap in the centre of the apical meristem
• C) elongation of cells behind the root apical meristem
• D) continuous cell division of root cap cells

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Definitions:

Stage 3

Depending on the context, this could refer to the third phase in a developmental, psychological, or medical progression system.

Suprachiasmatic Nucleus

A tiny region in the brain's hypothalamus responsible for controlling circadian rhythms by regulating the body's internal clock.

Biological Clock

An internal mechanism that regulates physiological and behavioral rhythms in organisms in a roughly 24-hour cycle.

Retina

The light-sensitive layer at the back of the eye that contains cells which convert light into electrical signals sent to the brain.