Physical Characteristics of Leaves

What is the main function of leaves in plants?

• Store water

• Produce flowers

• Perform photosynthesis

• Absorb nutrients

What is the outermost layer of a leaf called?

• cuticle

• epidermis

• stomata

• mesophyll

What is the process by which plants convert sunlight into energy?

• transpiration

• germination

• photosynthesis

• respiration

What is the term for the tiny openings on the surface of leaves?

• stomata

• pores

• follicles

• apertures

What is the pigment responsible for the green color of leaves?

• melanin

• hemoglobin

• carotene

• chlorophyll

What is the term for the network of veins in a leaf?

• arteries

• vascular system

• venation

• capillaries

What is the waxy layer on the surface of leaves called?

• epidermis

• stomata

• chlorophyll

• cuticle

What is the term for the loss of water vapor from leaves?

• evaporation

• condensation

• precipitation

• transpiration

What is the process by which plants take in carbon dioxide and release oxygen?

• photosynthesis

• combustion

• transpiration

• respiration

What is the term for the process of shedding leaves?

• abscission

• germination

• photosynthesis

• pollination