The evaporation of water from leaves is called pressure flow transpiration tension cohesion TRUE ANSWER : ? YOUR ANSWER : ?
Normally CO2 and O2 enter a plant by diffusion evaporation osmosis active transport TRUE ANSWER : ? YOUR ANSWER : ?
The cohesion-tension theory of water movement helps to explain how water moves from soil into root? Through the phloem Into the guard cells From leaf to root Through the xylem TRUE ANSWER : ? YOUR ANSWER : ?
A widely accepted explanation for transport of sugar in phloem is called transpiration pressure flow hypothesis cytoplasmic streaming root pressure theory TRUE ANSWER : ? YOUR ANSWER : ?
When guard cells swell evaporation stops stomata open stomata close photosynthesis stops TRUE ANSWER : ? YOUR ANSWER : ?
Phloem is composed of tracheids and sieve-tube elements vessel elements and companion cells sieve-tube elements and companion cells tracheids and vessel elements TRUE ANSWER : ? YOUR ANSWER : ?
Water moves into roots of plants by osmosis pressure flow mechanism active transport diffusion TRUE ANSWER : ? YOUR ANSWER : ?
The movement of most minerals, including potassium into root cells is by bulk flow osmosis active transport diffusion TRUE ANSWER : ? YOUR ANSWER : ?