Assertion :Monocot stem has collateral open vascular bundle. Reason: Open vascular bundle is without vascular cambium.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is D Both Assertion and Reason are incorrect.
In monocot stem, the vascular bundle is collateral and closed. The vascular bundle without cambium is called as closed vascular bundle.

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Assertion :Monocot stem has collateral open vascular bundle. Reason: Open vascular bundle is without vascular cambium.

The correct option is D Both Assertion and Reason are incorrect.In monocot stem, the vascular bundle is collateral and closed. The vascular bundle without cambium is called as closed vascular bundle.

The correct option is D Both Assertion and Reason are incorrect.
In monocot stem, the vascular bundle is collateral and closed. The vascular bundle without cambium is called as closed vascular bundle.