Assertion (A): External ear lobe shows a high degree of flexibility.
Reason (R): Ear is made up of fibrous cartilage.

Directions: Choose the correct option:

Both assertion(A) and reason(R) are true, but reason(R) is not the correct explanation for assertion.

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Both assertion(A) and reason(R) are true and reason(R) is the correct explanation for assertion(A).

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Assertion(A) is true and reason(R) is false.

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Assertion(A) is false and reason(R) is false.

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Solution

The correct option is B Both assertion(A) and reason(R) are true and reason(R) is the correct explanation for assertion(A).
Correct option: (c) Assertion(A) is true and reason(R) is false.

Cartilage is a tough and slightly elastic tissue that imparts flexibility to the respective organs.

Its main function is to provide support and maintain the shape.

External ear is made up of elastic cartilage.

Therefore, assertion is true and reason is false.

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Similar questions

Q. External ear consists of the projecting part made up of cartilage called _____.

Our nose and external ears are made up of cartilage.

Q. The visible portion of the ear that is made up of cartilage is called _____.

DIRECTIONS: Each of these questions contains an Assertion followed by reason. Read them carefully and answer the question the basis of following options. You have to select the one that best describes the two statements.

(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

(d) If Assertion is incorrect but Reason is correct.

Assertion: Ear muscles of external ear in man are poorly developed.

Reason: These muscles are useful which move external ear freely to detect sound efficiently.

Q. what are the differences between ear lobe ad cartilage ? kindly dont forward any link

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Chondrocytes

Standard XI Biology

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Assertion (A): External ear lobe shows a high degree of flexibility. ​ Reason (R): Ear is made up of fibrous cartilage. ​ Directions: Choose the correct option:​

Assertion (A): External ear lobe shows a high degree of flexibility.
Reason (R): Ear is made up of fibrous cartilage.

Directions: Choose the correct option: