Home
Class 12
BIOLOGY
Assertion :-First seven pairs of ribs ar...

Assertion` :-`First seven pairs of ribs are called true ribs.
Reason `:-` They are attached to the thoracic vertebrae dorsally and ventrally connected to the sternum with the help of hyaline cartilage.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion .

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion: First seven pairs of ribs are called true ribs. Reason: These ribs are not connected ventrally to the sternum.

Assertion:The 8th , 9th and 10th pairs of ribs are false ribs Reason:They are attached to the lumbar vertebrae dorsally

Consjder the following four statements (A-D) regarding ribs and select the correct option stating true(T) and false (F) statements A. They have two articulation surfaces on their ventral ends, hence are called bicephalic. B. True ribs are ventrally connected to sternum with the help of elastic cartilage. C. Normally there are two pairs of floating ribs in man. D. False ribs don't 'articulate with the sternum directly.

Choose the incorrect statement from the following : a . 12 pairs of ribs are present . b. Ribs dorsally articulate with sternum and ventrally with the vertebral column . c . Ribs are not bicephalic d. Ribs are attached with sternum with the help of hyaline cartilage.

The ventral end of ribs to sternum is connected together by :

Assertion: Human ribs are called bicephalic Reason:Ribs has two articulation surfaces on its dorsal end.

Read the following statements (i) first seven pairs of ribs are called true ribs or vertebrochondral ribs. (ii) A rib has two articulation surfaces on its dorsal end and is hence called bicephalic. (iii) Pelvic girdle consists of two coxal bones (iv) Xiphoid process forms the lowermost and manubrium forms the uppermost part of the sternum. Which of these are correct?

Assertion: Pectoral girdle articulates the with the axial skeleton while pelvic girdle articulates the upper limbs with the axiel skeleton. Reason: The two halves of the pelvic girdle meet ventrally to form the pubic symphysis containing hyaline cartilage.

Which of the following ribs are not connected ventrally with the stenum and are called as floating ribs ?

How many of the given statements are incorrect ? A. The sternum is the part of the axial skeleton. B. 5 pairs of ribs are not true ribs. C. Limbs are part of the appendicular skeleton. D. pectoral girdle connects sternum to the femur .