Plant Transport and Phloem Translocation Quiz

What is the tissue that translocates assimilates from mature leaves to growing or storage organs and roots?

• Epidermis

• Cambium

• Phloem

• Xylem

What is the movement of carbohydrate through the phloem from sources to sinks called?

• Translocation

• Transpiration

• Respiration

• Photosynthesis

What is the carbohydrate and nutrient-rich fluid moved through the phloem called?

• Root pressure sap

• Xylem sap

• Phloem sap

• Stomatal sap

Which process involves the transport of solutes from sources into sieve tubes?

• Unloading

• Loading

• Transpiration

• Photosynthesis

What is the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes?

• Osmosis

• Active transport

• Homeostasis

• Diffusion

What is the shoot:root DM ratio very quickly established under different scenarios?

• Homeostasis

• Active transport

• Osmosis

• Diffusion

What is the process called when sugars are transported into the sieve elements and companion cells?

• Phloem loading

• Xylem loading

• Photosynthesis

• Transpiration

What is the net effect of severe grazing on root growth?

• Reduction in total absorptive area of roots

• Increase in total absorptive area of roots

• Increase in soil volume explored for soil resources

• No effect on root growth

What is the process called when sugars move from the mesophyll cell via the smallest veins in the leaf to near the sieve elements?

• Short distance pathway

• Long distance transport

• Symplastic route

• Apoplastic pathway

What is the process by which plants absorb water from the soil?

• Osmosis

• Active transport

• Homeostasis

• Diffusion