Bio Term 1 SEN Review

Where in the leaf tissue does most photosynthesis occur?

• Palisade Mesophyll cells

• Spongy Mesophyll cells

• Collenchyma cells

• Phloem

Stomata are open and closed by what cells

• Guard Cells
• Sieve Tube Cells
• Tracheary Elements
• Mesophyll 

What kind of cell is this?

• animal cell

• bell bell

• plant cell

• vacuole

Which cell structure stores food, water, and wastes?

• Nucleus

• Mitochondria

• Cell Membrane

• Vacuole

Phototropism is

• The plant response to water

• The plant response to light

• The plant response to gravity

• The plant response to soil

The root of a plant growing down. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

what type of tropism is occurring here?

• phototropism

• thigmotropism

• gravitropism

Which hormone stimulates cell division

• ethylene

• auxin

• cytokinin

Homeostasis is _________.

• controlling the environment
• maintaining internal balance
• not using any energy
• when plants grow towards light

A plants directional growth in response to external stimuli is called ________.

• Tropism

• nastic response

• movement

• Homeostasis