Chapter 4 Transport in Plants

Which of the following tissues transport water in plants?

• Phloem

• Xylem

• Parenchyma

• Collenchyma

Xylem vessels are made up of:

• Living cells with cytoplasm

• Dead cells without cytoplasm

• Cells with thick cellulose walls

• Companion cells

Which part of the plant absorbs water from the soil?

• Stem

• Leaf

• Root Hair

• Phloem

True or False: Phloem transports water and mineral salts only

• True

• Falase

What strengthens the walls of xylem vessels?

• Cellulose

• Protein

• Lignin

• Sugar

Which of the following is responsible for transporting sucrose in plants?

• Xylem vessel

• Tracheid

• Sieve tube

• Root hair

Which pathway allows water to move through the cytoplasm and plasmodesmata?

• Apoplast pathway

• Simplast pathway

• Xylem pathway

• Phloem pathway

What causes water to move into the root hair cell from the soil?

• Osmosis

• Transpiration

• Root pressure

• Diffusion of ions

Which of the following statements is TRUE about phloem?

• Phloem has impermeable walls

• Phloem consists of dead cells only

• Phloem transports only water

• Phloem consists of sieve tubes and companion cells

Which of the following mechanisms help in upward water movement in plants?

• Photosynthesis

• Capillary action

• Translocation

• Guttation