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Test: Skeletal System & Joints


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10 Questions MCQ Test Biology Class 11 | Test: Skeletal System & Joints

Test: Skeletal System & Joints for NEET 2022 is part of Biology Class 11 preparation. The Test: Skeletal System & Joints questions and answers have been prepared according to the NEET exam syllabus.The Test: Skeletal System & Joints MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Skeletal System & Joints below.
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Test: Skeletal System & Joints - Question 1

The pectoral girdle is constituted by

Detailed Solution for Test: Skeletal System & Joints - Question 1

Pectoral girdle is the bony or cartilaginous structure in vertebrates to which the anterior limbs (pectoral fins, forelegs or arms) are attached. In mammals, it consists of two dorsal scapula (shoulder blades) attached to the backbone and two ventral clavicles (collar bones) attached to the sternum (breast bone).

Test: Skeletal System & Joints - Question 2

Which one of the following is anatomically correct for the human body?

Detailed Solution for Test: Skeletal System & Joints - Question 2

There are 12 pairs of ribs. First seven pairs of ribs are called true ribs. Dorsally, they are attached to the thoracic vertebrae and ventrally connected to the sternum with the help of hyaline cartilage. The 8th, 9th and 10th pairs of ribs do not articulate directly with the sternum but join the seventh rib with the help of hyaline cartilage. These are called vertebrochondral (false) ribs. Last 2 pairs (11th and 12th) of ribs are not connected ventrally and are therefore, called floating ribs.

Humans have twelve pairs of cranial nerves, three pairs of salivary glands and one pair of collar bones.

Test: Skeletal System & Joints - Question 3

 The number of vertebrae present in the cervical, thoracic, lumbar, sacral and coccyx regions, respectively, are

Detailed Solution for Test: Skeletal System & Joints - Question 3

In humans, the vertebral column is formed by 26 serially arranged units called vertebrae and is dorsally placed.
Each vertebra has a central hollow portion (neural canal) through which the spinal cord passes.
The vertebral column is differentiated into cervical (7), thoracic (12), lumbar (5), sacral (1-fused) and coccygeal (1-fused) regions starting from the skull
Hence Number of vertebrae present on cervical, thoracic, lumbar, sacral and coccyx regions are respectively 7,12,5,1,1.
So,the correct answer is '7, 12, 5, 1, 1'.

Test: Skeletal System & Joints - Question 4

 Pick out the correct match.

Detailed Solution for Test: Skeletal System & Joints - Question 4

The pelvic girdle, as above, is made up of three fused bones: the ischium, the ilium, and the pubis. The pubis forms the anterior part of the pelvic girdle. It is a flattened, irregular-shaped bone that articulates with the pubic symphysis, a cartilaginous joint.

Test: Skeletal System & Joints - Question 5

 The exoskeleton is absent in

Detailed Solution for Test: Skeletal System & Joints - Question 5

Exoskeleton is the external skeletal. It acts as a barrier and helps in protection of the animal's body. Exoskeleton is absent in frogs (amphibians) and due to which the skin of the frog is smooth and soft.

So the correct option is 'Frog'

Test: Skeletal System & Joints - Question 6

Which one of the following membranes secretes a watery fluid that lubricates and cushions the joint?

Test: Skeletal System & Joints - Question 7

 Which of the following facial bones is unpaired?

Detailed Solution for Test: Skeletal System & Joints - Question 7

In humans, the facial skull has fourteen bones. They are of mainly two types- paired and unpaired. The unpaired bones of the human skull are: frontal, occipital, ethmoid, sphenoid, mandible and vomer, and the paired bones include the inferior nasal concha, lacrimal bones, maxilla, nasal bones, palatine bones, and zygomatic bones.

So, the correct option is 'vomer'.

Test: Skeletal System & Joints - Question 8

A sesamoid bone is

Detailed Solution for Test: Skeletal System & Joints - Question 8

Patella is the small bone in knee joint between femur and tibia. It is a sesamoid bone developed in the tendon of quadriceps femoris muscle.

Test: Skeletal System & Joints - Question 9

 In the pelvic girdle of man, A B, C, D and E, respectively, represent

Detailed Solution for Test: Skeletal System & Joints - Question 9

The pelvic girdle is made up of three fused bones that are ischium, ilium, and pubis. The pubis forms the anterior part of the pelvic girdle. It is a flattened, irregular- shaped bone that articulates with the pubic symphysis, a cartilaginous joint.
The acetabulum is a concave surface of the pelvis, the head of the femur meets the pelvis at the acetabulum to form the hip joint. 

Test: Skeletal System & Joints - Question 10

 The membranous areas between the cranial bones of the foetal skull are called

Detailed Solution for Test: Skeletal System & Joints - Question 10

At birth, the skull is incompletely developed, and fibrous membranes separate the cranial bones. These membranous areas are called fontanels. They permit some movement between the bones, so that the developing skull is partially compressible and can slightly change shape.

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