Plant Review

Which structures open and close stomata to allow gas exchange but prevent water loss in leaves?

• Epidermis
• Vascular tissue
• Guard cells
• Spongy mesophyll

What process involes the loss of water vapor from leaves?

• Osmosis

• Transpiration

• Active transport

• Translocation

What are the tiny pores in the surface of leaves that allow for gas exchange?

Which structures are the site of photosynthesis in palisade mesophyll cells?

• Mitochondria

• Nucleus

• Chloroplasts

• Ribosomes

Which feature of leaves provides some protection and acts as water proof layer?

• Palisade mesophyll

• Waxy cuticle

• Spongy mesophyll

• Lower epidermis

What is "turgor pressure"?

• The way to bring water into the xylem

• Force of blood on the walls of the arteries

• Force of vacuoles filled with water on the cell walls

• Water sticking to other water molecules

What are the anther and filament named collectively?

• Stamen

• Pistil

What are the ovary, style and stigma collectively named?

• Pistil

• Stamen

Which is a function of the leaves?

• to provide shade
• to attract pollinators
• to make food through photosynthesis
• to absorb nutrients

Which is a function of the stem?

• to be green

• to support the plant and help with transport

• to absorb nutrients from the soil

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