Transport in Plants Chapter Analysis Quiz

What is the main function of xylem in plants?

Absorb water and minerals from the soil
Transport sugars and amino acids
Conduct photosynthesis
Provide mechanical support (correct)

What is the function of phloem in plants?

Provide mechanical support
Conduct photosynthesis
Transport water and minerals from the soil
Transport sugars and amino acids (correct)

What is the structure of xylem vessels that facilitates water transport in plants?

Lumen of xylem cells made through the transport tubes (correct)
Presence of protoplasm in the cells
Cross-walls that impede water flow
Deposition of lignin on cell walls

What would be the consequence if xylem vessels were not adapted to transport water effectively?

Decreased translocation of sugars and amino acids (B) Signup and view all the answers

What is the function of translocation in plants?

Transporting sugars from the leaves to other parts of the plant (D) Signup and view all the answers

What is the purpose of the ringing experiment in plants?

To show the accumulation of sugar and retention of water in roots (C) Signup and view all the answers

What is the main function of root hairs in plants?

To absorb water and minerals from the soil (C) Signup and view all the answers

What happens when water enters root hair cells from the soil?

The water potential in root hair cells becomes higher than that in soil solution (D) Signup and view all the answers

What is the role of aphids in relation to plants?

To feed on sugars transported in the phloem sieve tubes (D) Signup and view all the answers

What is the function of sieve tube elements in plants?

To transport food substances throughout the plant (B) Signup and view all the answers

Where does translocation originate in plants?

From the leaves, where sugars are produced (D) Signup and view all the answers

What is the source of sugars used for translocation in plants?

Companion cells (B) Signup and view all the answers

What causes bulges to form in plants during the ringing experiment?

Accumulation of sugars and retention of water at the cut site (B) Signup and view all the answers

What is a characteristic feature of root hairs that aids in water and mineral absorption?

Increased surface area due to branching structure (B) Signup and view all the answers

What is the main function of the palisade mesophyll in the leaf?

Absorbing sunlight for photosynthesis (B) Signup and view all the answers

What is the function of the spongy mesophyll in the leaf?

Conducting gaseous exchange (B) Signup and view all the answers

What is the role of the cuticle in the leaf?

Reducing water loss through evaporation (D) Signup and view all the answers

What is the main function of the upper epidermis in the leaf?

Allowing light to pass through (A) Signup and view all the answers

Which tissue in leaves has the least amount of chloroplasts but is covered with a thin film of moisture to allow carbon dioxide to dissolve in it?

Spongy mesophyll (A) Signup and view all the answers

What is the main role of chloroplasts in the leaf?

Converting light energy into chemical energy during photosynthesis (B) Signup and view all the answers

What is the main function of guard cells in plants?

Regulating the opening and closing of stomata (C) Signup and view all the answers

During the day, what causes the guard cells to swell and become turgid?

Active transport of potassium ions into the guard cells (D) Signup and view all the answers

What is the primary function of the xylem tissue in plants?

Transporting water and mineral salts from roots to other parts of plants (A) Signup and view all the answers

What is the role of phloem tissue in plants?

Transporting sucrose from leaves to other parts of plants (A) Signup and view all the answers

What does the presence of intercellular air spaces in the spongy mesophyll allow for inside a leaf?

Rapid diffusion of gases into and out of the cells (C) Signup and view all the answers

What happens during the night with regard to the guard cells and stomata?

Potassium ions move out of the guard cells via diffusion (A) Signup and view all the answers

What is the function of chlorophyll in photosynthesis?

Trapping light energy and converting it into chemical energy (A) Signup and view all the answers

What is the purpose of the stomatal openings in a leaf?

Rapid diffusion of gases into and out of the cells (B) Signup and view all the answers

What is transported through phloem tissue in plants?

Sucrose from leaves to other parts of plants (D) Signup and view all the answers

What is transported through xylem tissue in plants?

Water and mineral salts from roots to other parts of plants (B) Signup and view all the answers