Tropisms and Homeostasis Quiz Review

Turgor pressure causes which of the following?

• Roots to grow down due to gravity

• A plant to grow towards the light

• A wilted plant to stand upright

• Leaves to fall off of a tree

Tags

NGSS.MS-LS1-5

Which of the following is the best example of phototropism?

• The roots of a plant grow towards water.

• A plant in a dark room grows towards the light from a window.

• A venus flytrap closes when an insect lands inside.

• A wilted stem begins to stand upright.

Tags

NGSS.MS-LS1-5

What is geotropism?

• Plants maintain a stable internal condition.

• Plants change the direction they face in response to the sun.

• Vines grow up a wall in response to touch.

• Roots grow downwards in response to gravity.

When a plant receives water, its turgor pressure increases causing it to wilt.

• True

• False

Tags

NGSS.MS-LS2-1

Sunflowers in a field change the direction that they face throughout the day. Which external stimulus are they responding to?

• Light from the sun

• Gravity

• Turgor Pressure

• Water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What force causes roots to grow downwards?

• Gravity

• Light

• Water Pressure

• Wind

Tags

NGSS.MS-LS1-5

Which of the following could cause a plant to wilt?

• Increased turgor pressure

• Increased geotropism

• Decreased turgor pressure

• Decreased hydrotropism

Tags

NGSS.MS-LS2-1

What is the best definition of turgor pressure?

• the force seeds overcome to emerge through the soil

• a plants response to gravity

• internal water pressure in plant cells

• a plants response to sunlight

Tags

NGSS.MS-LS2-1

What does "wilt" mean?

• leaves turn towards the sun

• water flows into a plant

• a plant rises to stand upright

• a plant droops over

Which of the following describes geotropism?

• Seeds push up through the soil

• Roots grow down, stems grow up

• Plants turn towards light

• Plants begin to wilt