Plant Transport and Adaptations

The video tutorial covers plant transport systems, focusing on xylem and phloem. It explains leaf adaptations for different environments, the functions of plant parts like stems and roots, and the processes of transpiration and translocation. The tutorial also discusses factors affecting transpiration and why plants require specialized transport systems instead of relying solely on diffusion.

What adaptation helps a cactus survive in a hot environment?

• Thin stems

• Waxy cuticle

• Deep roots

• Large leaves

Which part of the plant is primarily responsible for transporting water?

• Flowers

• Xylem

• Leaves

• Phloem

What is the main function of root hair cells?

• Photosynthesis

• Seed production

• Gas exchange

• Water and mineral absorption

How does water move through the xylem?

• By diffusion

• Through active transport

• Via a one-way flow from roots to leaves

• By osmosis

What process describes the movement and loss of water in plants?

• Photosynthesis

• Transpiration

• Translocation

• Respiration

Which condition does NOT affect the rate of transpiration?

• Light intensity

• Humidity

• Soil type

• Temperature

What role do guard cells play in a plant?

• Controlling the opening and closing of stomata

• Transporting sugars

• Producing seeds

• Absorbing water

What is the primary function of phloem in plants?

• Gas exchange

• Providing structural support

• Transporting sugars and amino acids

• Transporting water

How does translocation differ from transpiration?

• Translocation involves water movement; transpiration involves sugar movement

• Translocation is a one-way process; transpiration is two-way

• Translocation involves sugar movement; transpiration involves water movement

• Translocation occurs only at night; transpiration occurs during the day

Why can't plants rely solely on diffusion for substance transport?

• Diffusion is not affected by temperature

• Diffusion only works in animals

• Diffusion requires energy

• Diffusion is too slow over long distances