Plant Stem Structure Quiz

Which of the following basic cells are found in plant stems?

• Parenchyma, collenchyma, and sclerenchyma cells

• Only parenchyma and collenchyma cells

• Only sclerenchyma and epidermis cells

• Epidermis cells and guard cells only

Where is collenchyma tissue typically found in dicotyledonous plants?

• In the pith region

• Below the epidermis layer

• Only in vascular bundles

• In the endodermis

What is the main function of the cuticle layer in stems?

• Photosynthesis

• Gas exchange

• Water absorption

• Water protection

Which type of vascular bundle has phloem on both inner and outer sides of xylem?

• Amphicribral bundle

• Amphivasal bundle

• Bicollateral bundle

• Collateral bundle

In monocot stems, how are vascular bundles arranged?

• In concentric rings

• Scattered randomly throughout

• Only near the epidermis

• Only in the cortex

What distinguishes bryophytes from other plant groups?

• Presence of true vessels

• Complex vascular tissue

• Simple tissue organization

• Presence of secondary growth

Which structure is found between the cortex and vascular tissue region?

• Epidermis

• Pericycle fibers

• Pith

• Bundle sheath

What is the main difference between dicot and monocot stems regarding cambium?

• Monocots have more cambium

• Dicots lack cambium

• Dicots have vascular cambium

• Both have similar cambium structure

In pteridophytes, what type of stele lacks pith?

• Siphonostele

• Protostele

• Eustele

• Atactostele

Which cells are responsible for secretion in cortical tissue?

• Sclerenchyma cells

• Collenchyma cells

• Secretory ducts and glands

• Epidermal cells