What is the measure of the osmotic pressure gradient of solutions separated by a semipermeable membrane?
Name the condition in which protoplast of the plant cell shrinks away.
Which of the following is NOT the component of water potential?
Answer: Assimilation potential
Loss of water from the stomata of leaves are known as
Plasmolysis occurs due to
Cooling of plants is caused by
Active uptake of minerals by roots mainly depends on the
Answer: Availability of oxygen
The hormone which signals the closure of stomata is
What is the action spectrum of transpiration?
Which is produced during water stress that brings stomatal closure?
Chlorophyllous cells fewer in number, unique in shape with inner walls thicker are
Water in plants is transported by which of the followings?
The most widely accepted theory of water translocation in plants is ______.
Transpiration is helpful to plants in
Answer: Upward Conduction/Ascent Of Sap
The water available for plants in soil is ________.
The maximum loss of water in transpiration is from
Water lost through transpiration is
The conditions under which transpiration would be most rapid?
Answer: Low humidity, high temperature, guard cell are turgid (open) moist soil
Which of the following will be zero in a fully turgid cell?
Answer: Suction pressure (DPD)
Endosmosis occurs when the plant cell is placed in
Answer: Hypotonic solution