Plants & Homeostasis

Geotropism is a response by plants to......

• Gravity

• Friction

• Air Pressure

• Earth's Magnetism

Tags

NGSS.MS-PS2-4

A root emerges from a seed because of the force of....

• Air pushing on the seed

• Gravity on the seed

• water against the seed coat

• soil pressing on the seed

Tags

NGSS.3-LS1-1

NGSS.3-PS2-1

NGSS.4-LS1-1

Which structure refers to a group of specialized cells that all preform the same function?

• Virus

• Organ

• tissue

• nucleus

Tags

NGSS.MS-LS1-3

Which factor would cause color change in flower petals and leaves?

• photosynthesis

• Geographic Locations

• Gravitropism

• Environmental Conditions

Tags

NGSS.MS-LS1-5

What stimulus causes a plant to demonstrate phototropism?

• intensity of light

• length of day

• time of day

• direction of light

Tags

NGSS.MS-LS2-1

How do sprouts of seeds buried in darkness find their way to the surface?

• They grow opposite the direction of gravity

• They grow toward light

• They grow toward the warmth

• They grow opposite the bedrock

Tags

NGSS.MS-LS1-5

What would most likely happen if you reduce the amount of water in plants?

• Sap would flow more quickly

• More flowers would be produced

• The stems would wilt

• The leaves would shed

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which BEST explains what happens to a leaf when it has lost water?

• Turgor Pressure Decreases

• Atmospheric pressure decreases

• Its rate of transpiration increases

• Its rate of photosynthesis

Guard cells of a tomato plant leaf close when there is little water in the roots

• Internal Stimulus

• External Stimulus

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When a plant wilts, the stomata close. How does this help the plant?

• It increases cellular respiration

• It reduces water intake by the roots

• It reduces further water loss

• It increases photosynthesis