Explorer7g: Plant Systems

What normal conditions would cause stomata to open?

• Plenty of water and daytime

• Lack of water and nighttime

• Plenty of water and nighttime

• Lack of water and daytime

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-6

Which of the following stimuli would cause a plant to release extra salicylic acid?

• Exposure to colder weather

• Less available sunlight

• Increased moisture in soil

• Infection of vascular tissue

Tags

NGSS.MS-LS1-5

What is the most likely cause of a droopy, flopped over plant?

• Too much sunlight

• Not enough water

• Force of gravity

• Exposure to cold

Tags

NGSS.MS-LS1-5

What normal conditions would cause a stomata to close?

• Plenty of water and daytime

• Lack of water and daytime

• Plenty of water and nighttime

• Lack of water and nighttime

Tags

NGSS.MS-LS2-1

Which of the following stimuli would cause a plant to wilt?

• Plenty of water in the stem

• Lack of water in the stem

• Lack of moisture in the air

• Exposure to cold weather

Tags

NGSS.MS-LS2-1

What force is needed for a seed coat, the protective covering of a seed, to split open?

• Water pressure pushing out

• Force of gravity pushing down

• Water pressure pushing in

• Force of gravity pushing up

Tags

NGSS.MS-PS2-2

Which of the following best describes the cause of wilting?

• Increased exposure to cold weather

• Decreased exposure to sunlight

• Decreased water in plant cells

• Increased exposure to sunlight

Tags

NGSS.MS-LS2-1

Root caps, or root tips, belong to which level of cell organization?

• Organ

• Organ System

• Tissue

• Cell

Tags

NGSS.HS-LS1-2

Which of the following stimuli best describes how an upside-down seed manages to grow correctly?

• Light

• Water

• Gravity

• Touch

Tags

NGSS.MS-LS1-5

Which of the following best describes a plants response to an auxin stimulus?

• Leaf growth was longer on the auxin side

• Stem growth was shorter on the auxin side

• Leaf growth was shorter on the auxin side

• Stem growth was longer on the auxin side

Tags

NGSS.MS-LS1-5