18 Questions
What is the function of leaves in a plant?
Conduct photosynthesis and gas exchange
Where are stomata mainly located in the leaf?
On the lower surface of leaves
What is the function of guard cells in the leaf?
Control the opening and closing of stomata
What do vascular bundles in the leaf do?
Transport food from leaf to other parts of the plant
What is the function of the petiole in a leaf?
Connect the leaf to the stem
Where are vascular bundles located in a leaf?
In spongy mesophyll
Which part of the stem transports water and nutrients up from roots to stems and leaves?
Xylem
What is the function of lenticels in the external structure of stems?
Breathing pores
Which specialized type of stem is a solid, fleshy, scale-covered underground structure?
Corm
What type of a root system is characterized by many finely branched secondary roots covering a large area?
Fibrous roots
Which part of the leaf is responsible for the movement of manufactured food from leaves to roots?
Leaf bases
What do bud scale scars on the external stem structure show?
Where terminal buds have been located
Which specialized type of stem functions as food storage and is a short, thick underground stem?
Tubers
What is the function of aerial roots?
Clinging air roots
Which part of the leaf is responsible for support leaves & reproductive structures?
Leaf margins
What is the function of rhizomes, a specialized type of stem?
Produces roots on the lower surface
What differentiates tap root from fibrous roots?
One main root, no nodes vs. many finely branched secondary roots covering a large area
What is the purpose of axillary, lateral bud in the external stem structure?
Bud on the side of the stem
Test your knowledge on the four basic parts of plants - leaves, stems, roots, and flowers, as well as the tissues of the leaf including the cuticle and stomata. Explore the functions and characteristics of these essential vegetative components.
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