Plasmolysis is
(1) Usually reversible
(2) Occurs when cell is placed in hypotonic external solution
(3) Shrinkage of cytoplast
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen the cells are placed in a hypotonic solution water movement causes
(1) Osmotic pressure
(2) Turgor pressure
(3) Hydrostatic pressure
(4) Hydrodynamic pressure
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTurgor 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyImbibition
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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrehistoric man used which of the following methods to split rocks and boulders?
(1) Plasmolysis
(2) Active Transport
(3) Osmosis
(4) Imbibition
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEmergence of seedling is due to
(1) Plasmolysis
(2) Active Transport
(3) Osmosis
(4) Imbibition
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn germination of seed, what is absorbent?
(1) Seed
(2) Water
(3) Environment
(4) Seedling
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFrom 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLong distance transport cannot be carried by
(1) Diffusion Alone
(2) Active transport alone
(3) Bulk flow
(4) Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology