OLT#7 Autotrophic Cells

What is the function of guard cells in a leaf?

• Regulating water loss

• Photosynthesis

• Transporting nutrients

• Producing oxygen

Which type of cells are responsible for photosynthesis in a leaf?

• Spongy mesophyll cells

• Xylem cells

• Phloem cells

• Epidermal cells

What is the purpose of root hairs in a plant?

• Store nutrients

• Conduct photosynthesis

• Produce flowers

• Increase water exchange

What is the function of sclerenchyma cells in a stem?

• Conducting photosynthesis

• Transporting nutrients

• Strengthening the vascular bundles

• Regulating water loss

Which tissue is located in the center of a root?

• Vascular tissue

• Ground tissue

• Epidermal tissue

• Cork tissue

What is the main function of xylem vessels in a stem?

• Producing glucose

• Regulating gas exchange

• Strengthening the stem

• Transporting water and minerals

What is the role of the palisade mesophyll cells in a leaf?

• Transporting nutrients

• Photosynthesis

• Water storage

• Supporting the leaf structure

Which cells are responsible for strengthening the vascular bundles in a stem?

• Sclerenchyma cells

• Guard cells

• Root hairs

• Xylem cells

Where are the stomata more likely to be concentrated in a leaf?

• Lower surface

• Upper surface

• Center of the leaf

• Around the veins

What is the purpose of using stains and dyes when examining plant tissues?

• To change the color of the tissue

• To prevent decay of the tissue

• To visualize specific structures

• To increase cell size