Q. No.Plasmolysis is
(1) Usually reversible
(2) Occurs when cell is placed in hypotonic external solution
(3) Shrinkage of cytoplast
(4) All of these
(1) Usually reversible
(2) Occurs when cell is placed in hypotonic external solution
(3) Shrinkage of cytoplast
(4) All of these
When the cells are placed in a hypotonic solution water movement causes
(1) Osmotic pressure
(2) Turgor pressure
(3) Hydrostatic pressure
(4) Hydrodynamic pressure
Turgor pressure causes
(1) Rupture of animal cell
(2) Responsible for enlargement and extension of plant cell
(3) Pressure against the wall
(4) All of these
Which of the following organisms do not possess cell wall?
(1) Plant cell
(2) Bacteria
(3) Fungi
(4) Amoeba
Imbibition
Find the incorrect one.
(1) A special type of diffusion
(2) Water is absorbed by solids-colloids
(3) Causing the increase in volume
(4) Absorption of water by seeds, dry wood and cell
Prehistoric man used which of the following methods to split rocks and boulders?
(1) Plasmolysis
(2) Active Transport
(3) Osmosis
(4) Imbibition
During Imbibition which of the following is pre-requisite?
(1) Water potential gradient between the absorbent and the liquid imbibed
(2) Affinity between absorbent / adsorbent
(3) Amount of seeds
(4) Both A and B
From the twig experiment in which twig is placed in colored water, which of the following can be deduced?
(1) The path of organic Acid
(2) The path of hormones
(3) The path of water
(4) The development of twig
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