Lesson 7: Roots QUIZ

Tendency of roots to turn toward the earth

• Erosion

• Auxin

• Geotropism

• Taproot

One thick main root growing down from the plant’s stem

• Erosion

• Auxin

• Geotropism

• Taproot

Loss of soil due to wind and rain

• Erosion

• Auxin

• Geotropism

• Taproot

Series of roots growing in many directions

• Erosion

• Adventitious

• Fibrous Root System

• Taproot

Sickly appearance of a plant caused by the plant being moved from its original location and root hairs being damaged

• Transplant Shock

• Death

• Fibrous Root System

• Taproot

Chemicals in plants that affect how they grow

• Oxygen

• Auxin

• Molybdenum

• Carbon

Fine parts of the root that do most of the work in absorbing water and nutrients

• Root Cap

• Root hairs

• Meristematic region

• region of elongation

Bulbs, corms, tubers, and rhizomes are all ____, which means “earth plants.”

These thrive in habitats that experience short, intense growing periods, such as alpine and arid landscapes

• rhizomes

• geophytes

• tuber

• clones

___ are actually underground stems that store excess food. They do not absorb water and nutrients like roots do, but they can grow roots.

• rhizomes

• leaves

• tubers

• clones

A potato is a ___: a big swollen underground stem packed full of starch.

• rhizome

• root

• tuber

• clone