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31 Years NEET Previous Year Questions: Locomotion & Movement - 1


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30 Questions MCQ Test Biology Class 11 | 31 Years NEET Previous Year Questions: Locomotion & Movement - 1

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 for NEET 2022 is part of Biology Class 11 preparation. The 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 questions and answers have been prepared according to the NEET exam syllabus.The 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 below.
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31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 1

Select the correct statement with respect to disorders of muscles in humans [NEET Kar. 2013]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 1

Myasthenia gravis is a chronic autoimmune muscular disease. It causes 
breakdown of neuromuscular junction due to which the brain loses control over muscles. The symptoms may include drooping eyelids, difficulty in swallowing muscle fatigue, difficult breathing and inability to control facial expressions.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 2

The H-zone in the skeletal muscle fibre is due to : [NEET 2013]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 2

Central part of thick filament, not overlapped by thin filaments is called the ‘H’ zone. ‘H’ zone is also called Hensen’s Line. 

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 3

Select the correct statement with respect to locomotion in humans : [NEET 2013]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 3

Vertebral column has 12th or acicvertebrate. The joints between adjacent vertebrae is cartilaginous joint which permits limited movements. Progesterone is secreted by corpus luteum which supports in pregnancy in females

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 4

The characteristics and an example of a synovial joint in humans is : [NEET 2013]

(d) Fluid cartilage                  Knee joint
between  two bones,
limited  movements

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 4

The atlas and the occipital bone form the atlanto-occipital joint, which allows neck flexion. The atlanto-axial joint is a compound synovial joint. A synovial joint is a freely moveable joint, differing from other types of joints due to the presence of synovial fluid, which lubricates the joint. Most of the main joints (hands, feet, and other regions in the appendicular skeleton) are synovial joints. So, the correct answer is option B.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 5

Which one of the following pairs of chemical substances is correctly categorized? [2012M]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 5

Troponin and myosin are the proteins of striated muscles. They help in muscle contraction.

Thymosin is the hormone released from thymus and helps in stimulating the growth of certain immune cells. Calcitonin is also a hormone released from parafollicular cells of the thyroid gland.

Prolactin is a hormone released by the pituitary gland. Pepsin is a protein-digesting hormone secreted in the stomach.

Rhodopsin is a derivative of vitamin D. Secretin a hormone released into the bloodstream by the duodenum (especially in response to acidity) to stimulate secretion by the liver and pancreas.

So the correct option is C.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 6

Select the correct statement regarding the specific disorder of muscular or skeletal system :- [2012]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 6

Major causative factors of osteoporosis are imbalances of hormones like calcitonin of thyroid, parathormone of parathyroids, and sex hormones and deficiencies of calcium and vitamin D.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 7

Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair. [2011M]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 7

Glenoid cavity is found in pectoral girdle.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 8

Elbow joint is an example of: [2009]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 8

Elbow joint is an example of hinge joint. The elbow is a hinge joint; it can open and close like a door. Hinge joint is a form of diarthrosis (freely movable joint) that allows angular movement in one plane only, increasing or decreasing the angle between the bones e.g. elbow joint, knee joint etc.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 9

Which one of the following items gives its correct total number? [2008]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 9

In humans, the total number of ribs are fourteen. These are of three types : 
(1) True ribs -These are 7 in number. 
(2) False ribs - These are two in number 
(3) Floating ribs - These are 4 in number.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 10

In human body, which one of the following is anatomically correct? [2007]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 10

Floating ribs are 2- pairs (11th and 12th pair) which are not attached to sternum

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 11

An acromian process is characteristically found in the: [2005]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 11

Each half of pectoral girdle has two bones i.e. clavicle and scapula. A spine like, acromian process is attached to scapula for articulation with clavicle bone.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 12

Which of the following pairs, is correctly matched? [2005]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 12

Hinge joint : elbow joint, knee joint, ankle joint, inter phalangeal joint.
Gliding joint : Intercarpal joint, intertarsal joint, sternoclavicular joint and joint between pre and post zygapophysis of adjacent vertebra.
Fibrous joint (Synarthroses) : Joints of cranium - bones. Joints between teeth and Jaw bones.
Cartilaginous joint (Amphiarthroses): Joints between mammalian vertebrae and two innominate bones (pubic symphysis).

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 13

What will happen if ligaments are cut or broken? [2002]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 13

Ligaments are specialized connective tissues which connect bones together; hence if they are cut or broken the bone will become unfixed.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 14

Which statement is correct for muscle contraction? [2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 14

When Ca+ ions combine with troponin contraction of muscles initiates. During Contraction the Z lines come closer  together and the sarcomere becomes shorter. The length of A band remains constant. I bands shortens  and H-band  narrows.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 15

What is sarcomere? [2001]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 15

Darks bands on the myofibril form A-band. Middle part of A-band contains light zones-Hensen line (H-lines). Light  band on myofibril is called I-band. Middle part of I-band contains Z-lines. Sarcomere is part between two Z-lines.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 16

Which one of the following is a skull bone ? [2000]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 16

Atlas is  the first cervical vertebra. Coracoid is part of the pectoral girdle. Pterygoid is a small bone articulated  with palatine.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 17

The joint found between sternum and the ribs in humans is [2000]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 17

In angular joint articulating surface of one bone is oval and convex whereas that of the other is elliptical and concave, it allows movement only in  two directions e.g. Wrist. Fibrous joints are unmovable joints e.g. Sutures of skull. Cartilaginous joints have little motility due to disc of  fibrocartilage between the articular ends. In gliding joints articulate end of both the bones are either flat or curved to allow gliding movements. e.g. between carpels and wrist.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 18

Ligament is a [1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 18

Ligament contain both yellow elastin fibres and collagen fibres. The latter are arranged in a manner to allow for stretching.  Ligaments help in binding bone to bones.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 19

Tendon is made up of [1999]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 19

Tendons are made of inelastic white fibrous connective tissue. A tendon (or sinew) is a tough band of fibrous connective tissue that connects muscle to bone or muscle to muscle and is designed to withstand tension. Tendons are similar to ligaments except that ligaments join one bone to another. Tendons and muscles work together and can only exert a pulling force.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 20

Which of the following is the contractile protein of a muscle? [1998, 2006]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 20

Contractile proteins of muscle are actin and myosin, the main components of the thin and thick filaments, respectively.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 21

The lower jaw in mammals is made up of [1998]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 21

Dentary is tooth bearing membrane bone of lower jaw of the vertebrates-one on each side, that supports the teeth. In mammals the dentary is the sole bone of the lower jaw. The dentary bone is relativley short comma shaped bone.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 22

Total number of bones in the hind limb of man is[1998]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 22

Each hind limb contain 30 bones namely 1 femur in the thigh, 1 petala in the knee, 1 tibia and 1 fibula in the lower leg, 7 tarsals in the ankle, 5 metatarsals in the sole and 14 phalanges in toes.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 23

The number of floating ribs in the human body, is [1995]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 23

In a human body, there are two pairs of floating ribs. i.e., 11th and 12th pairs. These ribs are not attached to either to sternum or the cartilage of another rib. They protect the kidneys.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 24

Which is part of pectoral girdle? [1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 24

Glenoid cavity is a shallow concavity on the lateral side of pectoral girdle in which the head of humerus fits making the shoulder joint.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 25

Which ion is essential for muscle contraction? [1994]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 25

Movement of Ca2+ out in sarcoplasmic reticulum controls the making and breaking of actin and myosin complex actomyosin due to which muscle contraction and relaxation takes place. Albert Szent Gyorgyi worked out biochemical events of muscle contraction.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 26

Long bones function in [1993]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 26

Long bones gives us support as well as their bone marrow (the peripheral part) synthesizes (in adults) the blood and its cells.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 27

Number of cervical vertebrae in camel is [1990]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 27

All mammals have 7 cervical vertebrae in their neck (it is one of the typical mammalian characters). Though they become long in camel & giraff but the number is 7 only. As whale is also a mammal it also possess the same 7 cervical vertebrae.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 28

A deltoid ridge occurs in [1990]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 28

A deltoid ridge is present along the ventral side of humerus (bone of upper arm - Brachium) which provides the insertion to muscles.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 29

Extremities of long bones possess cartilage [1989]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 29

Hyalin Cartilage forms the ‘cushions’ or ‘pads’ upon the articular surfaces at the joints of long bones and called ‘articular cartilage’. Its role in adult body is to withstand forces of compression and torsion at the joints.

31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 30

Sella turcica is [1989]

Detailed Solution for 31 Years NEET Previous Year Questions: Locomotion & Movement - 1 - Question 30

Sella turcica is depression in the skull in the area of the pituitary gland.
It is a saddle shaped (bent down at the sides so as to give the upper part a rounded form) depression in the sphenoid bone of the skull.
The pituitary gland is present in the inferior portion of the sella turcica.
So, the correct answer is 'Depression in the skull in the area of pituitary gland'.

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