Chapter 2 Transport Processes

What is short-distance transport in biological systems?
A) Movement through xylem and phloem
B) Transfer of nutrients between distant organs
C) Transfer of nutrients between adjacent cells
D) Passive diffusion of gases

• A

• B

• C

• D

Long-distance transport in plants primarily occurs through:
A) Stomata and cuticle
B) Xylem and phloem
C) Mitochondria and chloroplasts
D) Root hairs and epidermis

• A

• B

• C

• D

Why is long-distance transport important for land plants?
A) It allows nutrients to be transported between non-adjacent cells
B) It prevents water loss through leaves
C) It helps plants carry out photosynthesis
D) It increases the rate of cell division

• A

• B

• C

• D

Enzymes play a role in specific transport processes at the cellular level.

• True

• False

What is a key advantage of vascular tissues in plants?
A) They prevent all water loss
B) They allow shoots to grow upright and transport nutrients efficiently
C) They make photosynthesis unnecessary
D) They inhibit the movement of substances

• A

• B

• C

• D

What prevents water from diffusing outward in plants?
A) Xylem vessels
B) Casparian strips
C) The cuticle of the epidermis
D) Phloem tissue

• A

• B

• C

• D

• Casparian strips in roots help by:
  A) Blocking harmful minerals from diffusing inward
  B) Absorbing excess nutrients
  C) Storing water for later use
  D) Speeding up osmosis

• A

• B

• C

• D

The random movement of particles from high to low concentration in a solution is called:
A) Osmosis
B) Active transport
C) Diffusion
D) Aquaporin transport

• A

• B

• C

• D

What is required to move molecules against their concentration gradient?
A) Osmosis
B) Passive diffusion
C) ATP energy
D) Selectively permeable membranes

• A

• B

• C

• D

Photosynthetic products in plants are transported to distant locations such as the roots

• True

• False