Leaves study guide

The term 'alternate' refers to which of the following meanings?

• To occur in turn repeatedly

• To combine two things together

• To stop something completely

• To increase something gradually

A compound leaf is a type of leaf in which:

• the blade is divided into multiple distinct leaflets.

• the blade is a single, undivided structure.

• the leaf has a thick, waxy coating.

• the leaf is always needle-shaped.

A 'cuticle' in plants is:

• a waxy layer covering the surface of leaves and stems

• the part of the plant that absorbs water from the soil

• a structure that transports nutrients throughout the plant

• the region where photosynthesis occurs

Dichotomous venation refers to which of the following?

• Veins that repeatedly fork into two equal branches

• Veins that run parallel to each other

• A single main vein with smaller side branches

• Veins forming a net-like pattern

The 'epidermis' in plants is:

• the outermost layer of cells

• the main photosynthetic tissue

• the vascular tissue

• the root cap

'Guard cells' are:

• specialized cells that control the opening and closing of stomata

• cells that transport water in plants

• cells responsible for photosynthesis in leaves

• cells that store food in roots

A 'leaf blade' is the broad, flat part of a leaf where what mainly occurs?

• photosynthesis

• transpiration

• respiration

• pollination

A leaflet is one of the individual segments or divisions of which of the following?

• a compound leaf

• a flower petal

• a tree branch

• a plant root

What is the definition of 'midrib'?

• The midrib is the central, most prominent vein in a leaf, running from the base to the tip.

• The midrib is the outermost layer of a leaf, protecting it from damage.

• The midrib is a small pore on the surface of a leaf used for gas exchange.

• The midrib is the part of the leaf that attaches it to the stem.

What are 'netted veins' in a leaf?

• Netted veins are veins that form a network throughout the leaf, typical of dicot plants.

• Netted veins are veins that run parallel to each other, typical of monocot plants.

• Netted veins are veins that are only found in roots.

• Netted veins are veins that transport only water in the leaf.