Attraction of water molecules to polar surfaces is known as
Options
(a) cohesion (b) capillarity (c) surface tension (d) adhesion
Correct Answer:
adhesion
Explanation:
No explanation available. Be the first to write the […]
Due to plasmolysis, the plant cell
Options
(a) becomes turgid (b) bursts (c) becomes flaccid (d) swells up
Correct Answer:
becomes flaccid
Explanation:
No explanation available. Be the first to write the explanation […]
Guttation is a process of loss of water in
Options
(a) liquid form containing dissolved minerals (b) liquid form without dissolved minerals (c) vapour form with minerals (d) vapour form without minerals
Correct […]
A plant cell becomes turgid due to
Options
(a) plasmolysis (b) electrolysis (c) exosmosis (d) endosmosis
Correct Answer:
endosmosis
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Apoplastic path for the transport of water in root is through
Options
(a) intercellular spaces (b) intercellular spaces and cell walls (c) cell walls only (d) intercellular spaces, cell walls and endodermis
Correct […]
Dry wooden stakes, if driven into a small crack in a rock and then soaked, can develop enough pressure to split the rock. Such pressure is built up through the phenomenon of
Options
Guttation is the release of liquid water from veins at leaf margins. It is caused by
Options
(a) absorption (b) transpiration (c) high root pressure (d) translocation
Correct Answer:
high root pressure
Explanation: […]
A group of students are studying the transport of certain type of molecules in a cell. They observe that the transport slows down when the cells are treated with poison, a chemical, which inhibits energy […]
An osmometer is filled with 0.5 M solution of NaCl in water. In which of the following solutions it must be immersed in order to make it shrink?
Options
(a) 0.5 M solution […]
Deficiency symptoms of nitrogen and potassium are visible first in:
Options
(a) Senescent leaves (b) Young leaves (c) Roots (d) Buds
Correct Answer:
Senescent leaves
Explanation:
The parts of the plants that show the […]
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