Plant Systems

What must be present to start photosynthesis?

• Chlorophyll

• Sunlight

• Chlorophyll & Sunlight

• None of the above

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

NGSS.MS-LS2-3

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-LS2-1

Responses in plants that result in movement away from or toward a stimulus are called -

• tropisms

• differentiation

• adaptations

• yield

The diagram illustrates a seed germinating. Many forces, including responses to moisture, light, temperature, and gravity are at work in this process. Which of the following correctly describes two of the seedling's responses to stimuli?

• I is negative to light, and III is positive to gravity.

• IV is negative to temperature, and II is negative to gravity.

• II is negative to light, and III is positive to gravity..

• II is positive to gravity, and IV is positive to moisture.

Tags

NGSS.MS-LS2-1

Frank was out of town for a few days and when he returned, he noticed that his plant was very wilted. He watered the plant and put it in the sun. A few hours later, he noticed that it the leaves on the plant had perked up and looked fine again. The image shows the plants before and after the water and exposure to sunlight. Why did this occur?

• The plants needed the water to help the leaves undergo photosynthesis.

• The plants needed to be put in the sun so the sunlight could attract the plant.

• The plants needed to be outside so it could be affected by the gravity of the Earth.

• The plants needed the water so the cells could expand and keep the plant upright.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

The diagram illustrates a seed germinating. Many forces, including responses to moisture, temperature, and gravity, are at work in this process.

Which part of the seedling demonstrates a negative response to gravity?

• I

• II

• III

• IV