DEMO
Questions Answers
1. The part of Root involved in water absorption is
(A) Zone of cell division
(B) Zone of root hairs
(C) Zone of elongation
(D) Zone of root cap
Answer: (B)
2. In plants, water rises upwards through
(A) Cambium
(B) Stomata
(C) Xylem
(D) Pholem
Answer: (C)
3. When water enters the cell, one of the pressures is exerted on cell wall
(A) Osmotic pressure
(B) Sunaction pressure
(C) Turgor pressure
(D) Root pressure
Answer: (C)
4. Diffusion of water through semipermeable membrane from dilute solution to concentrated
solution is
(A) Imbibition
(B) Osmosis
(C) Plasmolysis
(D) Necrosis
Answer: (B)
5. Osmosis is the diffusion of
(A) Water
(B) Solute particles
(C) Gases
(D) Energy
Answer: (A)
6. The membrane which allows the movement of only water molecules to pass through it and
not the solute particles
(A) Permeable membrane
(B) Semipermeable membrane
(C) Imperimeable membrane
(D) Not permeable
Answer: (B)
7. The membrane which allows passage of solvent as well as some selective solutes and prevents
others is called
(A) Permeable membrane
(B) Semipermeable membrane
(C) Selectively permeable mem
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