Which tissue in the leaf absorbs the most light for photosynthesis?
Upper epidermis
Spongy mesophyll
Palisade mesophyll
Which tissue in the leaf is adapted for efficient gas exchange?
Which tissue transports water and minerals from the root to the leaves?
Xylem
Phloem
Veins
Which tissue transports sugars from the leaves to other parts of the plant including roots for storage?
Translocation is the movement of which substance?
Water
Sucrose
Minerals
Which cells control the stomata?
Companion
Chloroplast
Guard
What sort of process is translocation?
Active
Neutral
Passive
What is the process which causes guard cells to become turgid?
Osmosis
Evaporation
Transpiration
Which of these is an adaptation of a root hair cell?
Small surface area
Large surface area
No surface area
Which of these describes the stomata of a desert plant?
Reduced in number and mainly closed
Increased in number and mainly open
Reduced in number and mainly open