Plant Vascular Tissues Quiz

What is the primary function of plant vascular tissues?

• To transport water, nutrients, and organic compounds

• To provide structural support

• To produce energy through photosynthesis

• To protect against herbivores

Which cells in xylem are primarily responsible for water transport?

• Xylem fibers

• Tracheids and vessel elements

• Xylem parenchyma

• Companion cells

What is a unique feature of vessel elements in xylem?

• They have perforated end walls

• They retain their nuclei

• They are involved in storage

• They are long and tapering

How do phloem cells differ from xylem cells in terms of maturity?

• Phloem cells are dead at maturity

• Phloem cells are involved in water transport

• Phloem cells are alive at maturity

• Phloem cells have thick lignified walls

What is the main role of companion cells in phloem?

• To support the metabolic activities of sieve tube elements

• To assist in water transport

• To provide structural support

• To store starch

Which process describes the movement of sugars in phloem?

• Photosynthesis

• Respiration

• Translocation

• Transpiration

What is a key difference in the transport direction between xylem and phloem?

• Phloem transports substances only downward

• Xylem transports substances only upward

• Phloem transports substances only upward

• Xylem transports substances in both directions

What is the primary role of xylem in plants?

• Transporting sugars

• Transporting water and minerals

• Providing energy

• Storing nutrients

How are vascular bundles arranged in monocots compared to dicots?

• Both are scattered

• Both are ringed

• Scattered in monocots, ringed in dicots

• Ringed in monocots, scattered in dicots

What is the role of vascular cambium in plant growth?

• It stores water

• It increases plant girth

• It increases plant length

• It produces flowers