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Question

Each guard cell contains


A

Leucoplasts

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B

Chloroplasts

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C

Chromoplasts

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D

Oil and protein granules

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Solution

The correct option is B

Chloroplasts


The correct option is B:

Explanation of correct option:

Stomata are the tiny openings present on the surface of leaves, it helps in gaseous exchange and loss of water through the process of transpiration.

Each stoma has two guard cells that control the opening and closing of stomata.

Each guard cells have a chloroplast which helps to capture sunlight to perform photosynthesis.

Explanation of incorrect answer:

Option A:

Leucoplast is a colorless organelle found in plant cells, used for the storage of starch or oil.

Option C:

Chromoplast is plastids that give color to different fruits and flowers.

Option D:

Oil and protein granules are stored in the leucoplast.

Final answer: Each guard cell contains chloroplast.


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