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Vacuoles

What is a ton...

Question

What is a tonoplast?

A

Outer membrane of mitochondria

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B

Inner membrane of chloroplast

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C

Membrane boundary of the vacuole of plant cells

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D

Cell membrane of a plant cell

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Solution

The correct option is D Membrane boundary of the vacuole of plant cells
Tonoplast is a single membrane that bounds the vacuoles and separates it from cytoplasm. In plants, tonoplasts facilitate uphill transport of many ions and other materials, making their concentration higher in vacuole than cytoplasm.

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Question 9

What is a tonoplast?

(a) Outer membrane of mitochondria

(b) Inner membrane of chloroplast

(c) Membrane boundary of the vacuole of plant cells

(d) Cell membrane of a plant cell

The membrane that surrounds the vacuole of a plant cell is called as

Match the following

nucleus. Cell wall

plastid Vacuole

plant cell Nucleolus

cytoplasm Chlorophyll

eukaryotes. Pseudopodia

Nuclear membrane

Vacuoles in plants are covered by a membrane called __ .

Q. The membrane that surrounds vacuole is called __________.
(a) cell wall
(b) cell membrane
(c) tonoplast
(d) chloroplast

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