Neet Questions Locomotion And Movement

Practise the top 10 important questions on the chapter Locomotion and Movement from the NEET Biology syllabus. Solve these questions to prepare for NEET 2020 and build a strong foundation.

Important NEET Questions on Class 11 Chapter 20 – Locomotion and Movement

1. The pivot joint between atlas and axis is a type of synovial joint (NEET 2017).

A. Fibrous Joint

B. Synovial Joint

C. Saddle Joint

D. Cartilaginous Joint

The ion responsible for unmasking of active sites for myosin or cross-bridge activity during muscle contraction is mentioned in NEET – II 2016.

A. Potassium

B. Magnesium

C. Calcium

D. Sodium

Lack of relaxation between successive stimuli in sustained muscle contraction is known as Fatigue (NEET – I 2016)

A. Fatigue

B. Tonus

C. tetanus

D. spasm

At the synapse between a motor neuron and a muscle fiber, stimulation occurs in 2014.

A. The Sarcoplasmic Reticulum

B. The Myofibril

C. The Transverse Tubules

D. The Neuromuscular Junction

Which of the following is correct with regards to locomotion in humans?

  • A) Locomotion in humans is powered by the contraction of muscles
  • B) Locomotion in humans is powered by the expansion of muscles
  • C) Locomotion in humans is powered by the relaxation of muscles
  • D) Locomotion in humans is powered by the contraction and relaxation of muscles

A. Inflammation of joints is caused by the accumulation of uric acid crystals.

A decreased level of progesterone can cause osteoporosis in older people.

C. Joint between adjacent vertebrae is a Fibrous Joint

The vertebral column has 10 thoracic vertebrae.

6. The H-zone in skeletal muscle fibers is a result of the presence of myosin filaments (NEET 2013)

A. The central gap between myosin filaments in the A-band

Absence of myofibrils in the central portion of the A-band

C. Extension of myosin filaments in the centre portion of the A-band

D. Central gap between actin filaments extending through myosin filaments in the A-band

7. In humans, during muscle contraction, the actin and myosin filaments slide past each other. (NEET 2013)

A. Actin Filaments Shorten

B, A, I, and H bands shorten

C. A band stays the same

D. sarcomere does not shorten

Which of the following is a correct statement regarding a specific disorder of the muscular or skeletal system?

A. Gout - Inflammation of joints due to extra deposition of calcium.

B. Muscular Dystrophy - Age-Related Shortening of Muscles

C. Osteoporosis – Decrease in bone mass and increased risk of fractures with aging.

D. Myasthenia Gravis - An autoimmune disorder which inhibits the sliding of myosin filaments.

This is the correct description of a normal human skeleton in 2010:

A. The glenoid cavity is a depression to which the femur articulates.

The first vertebra is the Axis, which articulates with the Occipital Condyles.

C. The 9th and 10th pairs of ribs are called the “floating ribs”

The D. Parietal and Temporal bones of the skull are joined by a Fibrous Joint.

10. The correct total number is 2007

A. Amino acids found in proteins – 16

B. Floating ribs in humans – 4

C. Cervical vertebrae in humans – 8

D. Types of Diabetes:

  1. Type 1 Diabetes
  2. Type 2 Diabetes
  3. Gestational Diabetes
Question Answer Key

| 1 | B |

| 2 | C |

| 3 | C |

| 4 | D |

| 5 | A |

| 6 | D |

| 7 | C |

| 8 | C |

| 9 | D |

| 10 | B |

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