[LBBBION] 01 Leaf

What is the principal function of a leaf in a plant?

• Storing nutrients

• Conducting water

• Acting as the main site of photosynthesis

• Supporting the plant body

Which of the following is NOT a characteristic used to describe leaf shapes?

• Cordate

• Linear

• Circular

• Lanceolate

What is the name of the flattened laminar portion of a leaf?

• Petiole

• Stipule

• Blade

• Vein

Which type of leaf arrangement has two leaves at a node facing each other?

• Whorled

• Opposite

• Distichous

• Alternate

What is the waxy substance secreted by epidermal cells of a leaf called?

• Trichomes

• Mesophyll

• Stomates

• Cuticle

Which layer of the leaf is composed of irregularly shaped cells and is called the spongy layer?

• Mesophyll tissue

• Vascular bundles

• Epidermis

• Palisade layer

What is the function of vascular bundles in a leaf?

• Supporting the leaf

• Conducting water

• Photosynthesis

• Protecting the leaf

Which type of leaf has a single blade or lamina?

• Palmately compound leaf

• Pinnately compound leaf

• Compound leaf

• Simple leaf

What is the name of the leaf tip?

• Base

• Margin

• Apex

• Vein

How can you tell if a leaf is compound?

• Inspect the leaf margin

• Check for a terminal bud

• Count the number of veins

• Look at the leaf base