Investigating Plant Systems and Homeostasis

What stimulus causes the roots and stems to grow in opposite directions?

• Water

• Temperature

• Gravity

• Light

What stimulus is most likely to cause the stomata to close?

• Carbon dioxide concentration decreasing in the atmosphere

• Carbon dioxide concentration increasing in the atmosphere

• Water volume decreasing in the soil

• Water volume increasing in the soil

Tags

NGSS.MS-LS2-1

What process causes a plant to wilt in response to too much or too little water?

• Dehydration

• Transpiration

• Respiration

• Photosynthesis

Tags

NGSS.MS-LS2-1

What are xylem?

• series of tubes that carry water from roots to the leaves

• series of tubes that carry water from leaves to the atmosphere

• series of tubes called roots

• series of tubes call leaves

What must be present to start photosynthesis?

• Chlorophyll

• Sunlight

• Chlorophyll & Sunlight

• None of the above

Tags

NGSS.MS-LS1-6

What is taken into a plant through the stomata on the underside of a plants leaf?

• Oxygen

• Carbon dioxide

• glucose

• Chlorophyll

Tags

NGSS.MS-LS1-6

What does the plant release into the atmosphere through the stomata on the underside of a leaf?

• Oxygen

• Water vapor (H2O)

• Oxygen & Water vapor (H2O)

• Glucose

Tags

NGSS.MS-LS1-6

What are the two ways glucose is used after being made by photosynthesis in the plant?

• Used both to keep the plant alive & stored by plants for animals

• Used both to keep the plant alive & to help the atmosphere

• Used for the atmosphere & stored by plants for animals

• None of the above are correct

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The movement of water into and out of cells is due to...

• dialysis

• oxidation

• atmospheric pressure

• turgor pressure

What is most likely to cause wilting in plants?

• Long exposure to cold external temperatures

• Loss of water in cells throughout the plant

• An increased amount of sunlight exposure

• An increased amount of sunlight exposure

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1