Assertion :Ulna is longer than radius. Reason: It has large olecranon process.

If both assertion and reason are true and reason is the correct explanation of assertion.

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If both assertion and reason are true but reason is not the correct explanation of assertion.

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If assertion Is true but reason is false

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If both assertion and reason are false.

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Solution

The correct option is A If both assertion and reason are true and reason is the correct explanation of assertion.
Both radius and ulna are the bones of the forelimb.
Both radius and ulna are present with nutrient foramen.
Radius is smaller and ulna is larger.
Styloid process is present in distal end of ulna and radius both.
Olecranon process is present in an ulna. Proximally, which forms prominence of elbow.
So, te correct option is 'If both assertion and reason are true and the reason is the correct explanation of assertion.'

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