NCERT CLASS 11 | TOPIC : LOCOMOTION AND MOVEMENT | QB-3 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : LOCOMOTION AND MOVEMENT | QB-3 | NEET BIOLOGY ONLINE TEST

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It contains 100 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com

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1 ➤ 1. Which one of the following pairs of structures is correctly matched with their corrected description? [AIPMT MAINS 2010]

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(A) Tibia and fibula → Both form parts of knee joint

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(B) Cartilage and cornea → No blood supply but it does require oxygen for respiratory need

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(C) Shoulder joint and elbow joint → Ball and socket type of joint

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(D) Premolars and molars → 20 in all and 3 rooted

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(a) (A) (b) (B) (c) (C) (d) (D)

2 ➤ 2. Which one of the following is the correct description of a certain part of a normal human skeleton? [AIPMT MAINS 2010]

(a) Parietal bone and the temporal bone of the skull are joined by fibrous joint. (b) First vertebra is axis which articulates with the occipital condyles. (c) The 9th and 10th pairs of ribs are called the floating ribs. (d) Glenoid cavity is a depression to which the thigh bone articulates.

3 ➤ 3. 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. [AIPMT MAINS 2011]

(a) Sternum and ribs - Axial skeleton (b) Clavicle and glenoid cavity - Pelvic girdle (c) Humerus and ulna - Appendicular skeleton (d) Malleus and stapes - Ear ossicles

4 ➤ 4. Which one of the following pairs of chemical substances is correctly categorized? [AIPMT MAINS 2012]

(a) Pepsin and prolactin - Two digestive enzymes secreted in stomach (b) Troponin and myosin - Complex proteins in striated muscles (c) Secretin and rhodopsin - Polypeptide hormones (d) Calcitonin and thymosin - Thyroid hormones

5 ➤ 5. Select the correct statement regarding the specific disorder of muscular or skeletal system. [AIPMT PRE 2012]

(a) Muscular dystrophy: Age related shortening of muscles. (b) Osteporosis: Decrease in bone mass and higher chances of fractures with advancing age. (c) Myasthenia gravis: Auto immune disorder which inhibits sliding of myosin filaments. (d) Gout: Inflammation of joints due to extra deposition of calcium.

6 ➤ 6. The H-zone in the skeletal muscles fibre is due to [AIPMT 2013]

(a) The absence of myofibrils in the central portion of A-band. (b) The central gap between myosin filaments in the A-band. (c) The central gap between actin filaments extending through myosin filaments in the A-band. (d) Extension of myosin filaments in the central portion of the A-band.

7 ➤ 7. Select the correct statement with respect to locomotion in humans. [AIPMT 2013]

(a) A decreased level of progesterone causes osteoporosis in old people. (b) Accumulation of uric acid crystals in joints causes their inflammation. (c) The vertebral column has 10 thoracic vertebrae. (d) The joint between adjacent vertebrae is a fibrous joint.

8 ➤ 8. The characteristics and an example of a synovial joint in humans is [AIPMT 2013]

(a) Fluid cartilage between two bones, limited movements → Knee joint (b) Fluid filled between two joints, provides cushion → Skull bones (c) Fluid filled synovial cavity between two bones → Joint between atlas and axis (d) Lymph filled between two bones, limited movement → Gliding joint between carpals

9 ➤ 9. Select the correct matching of the type of the joint with the example in human skeletal system. [AIPMT 2014]

(a) Cartilaginous joint Between frontal and pariental (b) Pivot joint Between third and fourth cervical vertebrae (c) Hinge joint Between humerus and pectoral girdle (d) Gliding joint Between carpals

10 ➤ 10. Stimulation of a muscle fibre by a motor neuron occurs at [AIPMT 2014]

(a) The neuromuscular junction (b) The transverse tubules (c) The myofibril (d) The sacroplasmic reticulum

11 ➤ 11. The sliding filament theory can be best explained as [AIPMT 2015]

(a) When myofilaments slide pass each other actin filaments shorten while myosin filaments do not shorten. (b) Actin and myosin filaments shorten and slide pass each other. (c) Actin and myosin filaments do not shorten but rather slide pass each other. (d) When myofilaments slide pass each other, the myosin filaments shorten while actin filaments do not shorten.

12 ➤ 12. Glenoid cavity articulates [AIPMT 2015]

(a) Clavicle with acromion (b) Scapula with acromion (c) Clavicle with scapula (d) Humerus with scapula

13 ➤ 13. Which of the following joints would hallow no movement? [RE-AIPMT 2015]

(a) Cartilaginous joint (b) Synovial joint (c) Ball and socket joint (d) Fibrous joint

14 ➤ 14. Which of the following is not a function of the skeletal system? [RE-AIPMT 2015]

(a) Storage of minerals (b) Production of body heat (c) Locomotion (d) Production of erythrocytes

15 ➤ 15. Lack of relaxation between successive stimuli in sustained muscle contraction is known as:[NEET - I, 2016]

(a) Spasm (b) Fatigue (c) Tetanus (d) Tonus

16 ➤ 16. Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction. [NEET - II, 2016]

(a) Magnesium (b) Sodium (c) Potassium (d) Calcium

17 ➤ 1. Match the following and mark the correct option :

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(A) Fast muscle fibres - (i) Myoglobin

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(B) Slow muscle fibres - (ii) Lactic acid

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(C) Actin filament - (iii) Contractile unit

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(D) Sarcomere - (iv) I-band

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(a) A – i, B – ii, C – iv, D – iii (b) A – ii, B – i, C – iii, D – iv (c) A – ii, B – i, C – iv, D – iii (d) A – iii, B – ii, C – iv, D – i

18 ➤ 2. Ribs are attached to

(a) Scapula (b) Sternum (c) Clavicle (d) Ilium

19 ➤ 3. What is the type of movable joint present between the atlas and axis?

(a) Pivot (b) Saddle (c) Hinge (d) Gliding

20 ➤ 4. ATPase of the muscle is located in

(a) Actinin (b) Troponin (c) Myosin (d) Actin

21 ➤ 5. Intervertebral disc is found in the vertebral column of

(a) Birds (b) Reptiles (c) Mammals (d) Amphibians

22 ➤ 6. Which one of the following is showing the correct sequential order of vertebrae in the vertebral column of human beings?

(a) Cervical-Iumbar-thoracic-sacral-coccygeal (b) Cervical-thoracic-sacral-Iumbar-coccygeal (c) Cervical-sacral-thoracic-Iurnbar-coccygeal (d) Cervical-thoracic-Iumbar-sacral-coccygeal

23 ➤ 7. Which one of following options is incorrect?

(a) Hinge joint – Present between humerus and pectoral girdle (b) Pivot joint – Present between atlas, axis and occipital condyle (c) Gliding joint – Present between the carpals (d) Saddle joint – Present between carpal and metacarpal of thumb

24 ➤ 8. Knee joint and elbow joints are examples of

(a) Saddle joint (b) Ball and socket joint (c) Pivot joint (d) Hinge joint

25 ➤ 9. Macrophages and leucocytes exhibit

(a) Ciliary movement (b) Flagellar movement (c) Amoeboid movement (d) Gliding movement

26 ➤ 10. Which one of the following is not a disorder of bone?

(a) Arthritis (b) Osteoporosis (c) Rickets (d) Atherosclerosis

27 ➤ 11. Which one of the following statement is incorrect?

(a) Heart muscles are striated and involuntary. (b) The muscles of hands and legs are striated and voluntary. (c) The muscles located in the inner walls of alimentary canal are striated and involuntary. (d) Muscles located in the reproductive tracts are unstriated and involuntary.

28 ➤ 12. Which one of the following statements is true?

(a) Head of humerus bone articulates with the acetabulum of pectoral girdle. (b) Head of humerus bone articulates with the glenoid cavity of pectoral girdle. (c) Head of humerus bone articulates with a cavity called acetabulum of pelvic girdle. (d) Head of humerus bone articulates with a glenoid cavity of pelvic girdle.

29 ➤ 13. Muscles with characteristic striations and involuntary nature are

(a) Muscles in the wall of alimentary canal (b) Muscles of the heart (c) Muscles assisting locomotion (d) Muscles of the eyelids

30 ➤ 14. Match the followings and mark the correct option :

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(A) Sternum - (i) Synovial fluid

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(B) Glenoid Cavity - (ii) Vertebrae

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(C) Freely movable joint - (iii) Pectoral girdle

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(D) Cartilaginous joint - (iv) Flat bones

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(a) A – ii, B – i, C – iii, D – iv (b) A – iv, B – iii, C – i, D – ii (c) A – ii, B – i, C – iv, D – iii (d) A – iv, B – i, C – ii, D – iii

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