Practice free Locomotion and Movement (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Which of the following pair is improper?
The H-line (or H-zone) is a part of the A-band in striated muscle, not nonstriated muscle. Nonstriated muscles, such as smooth muscle, do not have the distinct banding pattern seen in striated muscles (skeletal and cardiac muscles). Therefore, the pair 'H-line – Nonstriated muscle' is improper.
Which of the following pair is improper?
Humans have 12 pairs of ribs, not 22 pairs. The axial skeleton consists of 80 bones, the cranium has 8 bones, and the vertebral column is made up of 26 vertebrae. Therefore, the pair 'Ribs – 22 pairs' is improper.
Number of bones present in an arm is : (AFMC - 2004 )
An arm consists of 30 bones: 1 humerus, 1 radius, 1 ulna, 8 carpals, 5 metacarpals, and 14 phalanges. Therefore, the correct number of bones in an arm is 30.
Ribs are attached to : (Wardha- 2001 )
Ribs are attached to the sternum via costal cartilages. The sternum is a long flat bone located in the central part of the chest, and it plays a critical role in protecting the heart and lungs.
In humans, coccyx is formed by the fusion of vertebrae (NCERT- 1978)
In humans, the coccyx, also known as the tailbone, is formed by the fusion of four vertebrae. These are the last few segments of the vertebral column.
What is formed by the bones of pectoral girdle, pelvic girdle and limbs ? (CPMT- 1987)
The appendicular skeleton is formed by the bones of the pectoral girdle (shoulder girdle), pelvic girdle (hip girdle), and the limbs (arms and legs). This part of the skeleton is involved in locomotion and manipulation of objects.
Number of floting ribs in human body is : (JIMER- 2000)
In the human body, there are 12 pairs of ribs. The last two pairs, which are the 11th and 12th pairs, are called floating ribs because they are not attached to the sternum or other ribs. Therefore, the correct answer is 2 pairs.
Sarcomere is distance between : ( BHU-2001, CBSE- 2004, RPMT- 2002)
A sarcomere is the basic unit of a muscle's cross-striated myofibril. It is defined as the segment between two neighboring Z-lines (or Z-discs). Therefore, the distance between two consecutive Z-lines is the length of a sarcomere.
How many bones are there in appendicular skeleton ? (BV - 2003)
The appendicular skeleton consists of 126 bones. It includes the bones of the upper limbs, lower limbs, pectoral girdle, and pelvic girdle. Therefore, there are 126 bones in the appendicular skeleton.
Where is hinge joint found ? (APMEE- 2002)
Hinge joints are found in the elbow and knee. These joints allow for movement in one plane, similar to the motion of a door hinge. The elbow joint connects the humerus to the ulna, and the knee joint connects the femur to the tibia.
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