Axial Skeleton

Q.

What are true ribs, false ribs, and floating ribs? Why are floating ribs easily broken?

Q.

How many pairs of ribs are present in the human body?

1. 13
2. 12
3. 11
4. 15

Q.

Name the type of joints present mainly in skull.

Q.

What is the difference between male and female rib cage?

Q.

How many bones ribcage have

Q.

Mention any three functions of the vertebral column. [3 MARKS]

Q. Which part of the body is protected by the vertebral column?

1. Spinal cord
2. Lungs
3. Brain
4. Heart

Q.

Sigmoid notch is present in

1. Radius

2. Ulna

3. Humerus

4. Femur

Q.

Skeleton composed of rib cage, skull, and vertebral column is known as

1. Axial skeleton

2. Appendicular skeleton

3. Transverse skeleton

4. Perpendicular skeleton

Q.

How many vertebrae are present in a human backbone? [1 MARK]

Q.

Is a puffer fish a cartilaginous fish?

Q. I'm situated along the central vertical axis of the body and I provide protection for the most important organs. I am made up of 80 bones. Who am I?

1. Axial skeleton
2. Pelvic girdle
3. Appendicular skeleton
4. All of the above.

Q. Which among the following is the movable part of skull?

1. Cranium
2. Mandible
3. Upper jaw
4. None of the above

Q. How many bones are there in the rib cage?

1. 28
2. 24
3. 20
4. 26

Q. Akshai has fractured one of his bones in his rib cage. Which of the following organs could be affected in the accident?

1. Stomach
2. Kidneys
3. Intestine
4. Lungs

Q. 'Z' is a protective structure. 12 pairs of flat bones in this structure are attached to 'Y' on one side and 'X' on the other side. 'Y' is flexible and is made of 33 bones. Identify X, Y and Z.

1. X: Ribs; Y: Spine; Z: Vertebral column
2. X: Sternum; Y: Spine; Z: Ribcage
3. X: Spine; Y: Ribs; Z: Skull
4. X: Ribs; Y: Skull; Z: Ribcage

Q. Which of the following would represent the relative position of the parts of the rib cage with respect to the heart?

1. Sternum lies in front of the heart
2. Sternum lies behind the heart
3. Backbone lies in front of the heart
4. Backbone lies behind the heart

Q. Which of the following bones are present in the hands?

1. Sutures
2. Tarsals
3. Carples
4. Femur

Q.

1. Skull : 22 Bones
2. Ribs : 22 Bones
3. Vertebral column : 33 Bones
4. All of the above pairs are wrong

Q. Identify 'X' with the given characteristics.

• It is a part of skeletal system.
• It is made up of 33 bones.
• It contains irregular bones.

1. Rib cage
2. Backbone
3. Skull
4. Sternum

Q.

What are vestigial organs? Name two vestigial organs found in human body to explain vestigial organ. [3 MARKS]

Q.

The vertebral column consists of ___ bones, also known as vertebra.

Q.

How many bones are in the spine?

Q. Which combination of head and face bones respectively makes up the skull?

1. 8 and 14
2. 9 and 13
3. 5 and 17
4. 12 and 10

Q.

Does Chondrichthyes have cycloid scales?

Q. Longest bone of human skeleton is

1. Humerus
2. Femur
3. Tibia
4. Radius

Q. Identify the feature that give human beings the ability to stay in an upright position.

1. The bones in their head are light
2. The bones in their legs are strong
3. They have a tail bone for support
4. They have an erect vertebral column

Q. Guess the division of the skeletal system.

1. 
2. 
3. 
4. 

Q.

1. Skull : 22 Bones
2. Ribs : 22 Bones
3. Vertebral column : 33 Bones
4. All of the above pairs are wrong

Q. skeleton acts as a protective cage for organs.

1. Axial
2. Radial
3. Appendicular