Question

CHOOSE THE MOST APPROPRIATE ANSWER

1. A cell kept in a solution shrinks in size and losesits shape. The solution is
(a) hypertonic (b) isotonic
(C) hypotonic
(d) pond water

2. A shoot from a balsam plant is kept in an eosinsolution (pink coloured) for 3-4 hours. The pinkcolour is likely to be seen in
(a) phloem tissue (b) cortex
(c) xylem tissue (d) endodermis

3. Osmosis is the diffusion of
(a) suspended particles from higher to lowerconcentration.
(b) suspended particles from lower to higher
concentration.
(c) water from the less concentrated solutionto the more concentrated solution.

4. The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
(a) hypotonic solution
(b) isotonic solution
(c) water
(d) hypertonic solution
5. A plant cell may burst when :
(a) Turgor pressure equalises wall pressure.
(b) Turgor pressure exceeds wall pressure.
(c) Wall pressure exceeds turgor pressure.
(d) None of the above.
​

Answer 1

1.(a) Hypertonic solution

2.(c) xylem tissue

3.(a)suspended particles from higher concentrations to the lower concentrations.

4.(c)Water

5.(a)Turgor pressure equalises wall pressure..

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