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In plant cell, the vacuole...

In plant cell, the vacuole

A

Contains air and lacks membrane

B

Contains water and excretory substances but lacks membrane

C

Contains storage protein and lipids and is membrane bound

D

Is membrane bound, contains water and excretory substance

Text Solution

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The correct Answer is:
D
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In plant cells the vacuoles can occupy upto 90% of the volume of the cell

Vacuoles

Knowledge Check

  • Select the option having all correct statements . (a) ER divide the intercellular space two distinct compartments. (b) The cis and the trans face of the Golgi body are entirely different but interconnected. (c) Lysosomes are the single membrane - bound vesicular structures formed by the process of packaging in the Golgi body. (d) In plant cells, the vacuole can occupy up to 90 percent of the volume of the cell .

    A
    a,b,c and d
    B
    b,c and d only
    C
    a,d and d only
    D
    b and c only

  • Fill in the blanks: 1 . In plant cells the vacoules can occupy up to …a… of the volume of the cell. 2 . In the plants , the tomoplast facilitates the transport of a number of ions and other materials …b… concentration gradient into the vacoule, hence their concentration is significantly ...c... in the vacuole than in the cytoplasm. 3 . In Amoeba the ...d... vacuole is important for excertion . 4 . In many cells, as in protists...e... vacuoles are formed by engulfing the food particles.

    A
    a`-`70%, b`-`along, c`-`higher, d`-`food, e`-`contractile.
    B
    a`-`70 to 90%, b`-`against, c`-`higher, d`-`contractile, e`-`food
    C
    a`-`90%, b`-`against, c`-`lower, d`-`contractile, e`-` inclusion.
    D
    a`-`90%, b`-`against, c`-`higher, d`-`contractile, e`-`food.

  • Assertion :- In plant cell, the cell membrane and the membrane of vacuole, the tonoplast together are important determinants of movement of molecules in or out of the cell. Reason:- Both cell membrane and tonoplast are selective permeable membranes.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false

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    Vacuoles

    In a plant cell, cells are made up of different components enclosed in a membrane provide shape to plants and animals. Cell wall is the outer covering in the plant cell which provide shape and rigidity to the cell. Label the parts (A), (B), (C).

    Water soluble pigments found in plant cell vacuoles are

    Water soluble pigments found in plant cell vacuoles are :

    Membrane that covers the vacuole in a plant cell is called

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