Leaf morphology

What is the main function of leaves in plants?

• D. Absorbing nutrients from the soil

• A. Collecting solar energy and CO2

• B. Storing water and minerals

• C. Producing flowers and fruits

Which type of venation is common in dicot leaves?

• C. Dichotomous venation

• B. Netted venation

• D. Pinnately-veined venation

• A. Parallel venation

What is the function of guard cells in leaves?

• A. Photosynthesis

• D. Producing chlorophyll

• B. Water transport

• C. Regulating stomatal opening

Which specialized leaf structure is found in the Venus fly trap plant?

• A. Tendrils

• B. Cotyledons

• C. Pitcher

• D. Spines

What is the primary biochemical process in plants driven by photosynthesis?

• D. Lipid metabolism

• A. Cell wall biosynthesis

• B. Protein synthesis

• C. Carbohydrate synthesis

Which leaf structure prevents photorespiration in plants?

• D. Stomata

• C. Guard cells

• B. Bundle sheath cells

• A. Mesophyll cells

What is the process by which water vapor is lost from plant surfaces?

• D. Osmosis

• C. Evaporation

• B. Respiration

• A. Transpiration

Which leaf modification is used by plants to discourage herbivory and reduce water loss?

• C. Spines

• B. Cotyledons

• D. Pitcher

• A. Tendrils

What is the function of the cuticle in leaves?

• C. Photosynthesis

• D. Nutrient absorption

• A. Gas exchange

• B. Water conservation

Which leaf arrangement has 3 or more leaves at a node?

• C. Whorled

• D. Alternate

• B. Spiral

• A. Opposite