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Q. No.During muscular contraction, which of the following events do not occur?
a.
‘H’ zone decreases in length and disappears on full relaxation
b.
A band remains unchanged
c.
I band gets reduced in length due to decrease in length of actin filaments
d.
Myosin hydrolyses ATP, releasing ADP and P1
e.
Z- lines move away from each other
Choose the correct answer from the options given below.
1. (a), (b), (c) and (d)
2. (a), (b), (d) and (e)
3. (a), (c) and (e)
4. (b) and (d)
Subtopic: Sliding Filament Theory |
66%
Level 2: 60%+
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (i) (iii) (ii) (iv)
3. (ii) (iii) (i) (iv)
4. (ii) (i) (iv) (iii)
| List-I | List-II | ||
| (a) | Collar bone | (i) | Thoracic vertebrae, ribs, and sternum |
| (b) | Rib cage | (ii) | Long slender bone with two curvatures |
| (c) | Skull bones | (iii) | Pivot joint |
| (d) | Atlas and axis | (iv) | Sutures |
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iv) (iii) (ii) (i)
2. (i) (iii) (ii) (iv)
3. (ii) (iii) (i) (iv)
4. (ii) (i) (iv) (iii)
Subtopic: Vertebral column | Appendicular Skeleton: Girdle | Fibrous & Catilaginous Joints |
95%
Level 1: 80%+
Hints
Consider the statements given below with respect to locomotion and movement.
(a) Cytoskeletal elements like microfilaments are involved in ciliary movements in poriferans.
(b) Passage of ova in female reproductive tract is facilitated by ciliary movement of ova.
(c) Amoeboid movement of macrophages is effected by pseudopodia formed by streaming of protoplasm.
Select the option that contains incorrect statements.
1. a and b only
2. b and c only
3. a and c only
4. a, b and c
(a) Cytoskeletal elements like microfilaments are involved in ciliary movements in poriferans.
(b) Passage of ova in female reproductive tract is facilitated by ciliary movement of ova.
(c) Amoeboid movement of macrophages is effected by pseudopodia formed by streaming of protoplasm.
Select the option that contains incorrect statements.
1. a and b only
2. b and c only
3. a and c only
4. a, b and c
Subtopic: Introduction to Locomotion |
Level 3: 35%-60%
Hints
Study the following statements carefully:
Select the correct option:
1. a and b
2. b and c
3. c and d
4. a and d
| (a) | In humans, the skull articulates with the axis vertebra with two occipital condyles. |
| (b) | The number of cervical vertebrae is seven in almost all mammals. |
| (c) | The bones of vertebral column form the cartilaginous joint. |
| (d) | The spinal curve formed due to thoracic vertebrae is convex anteriorly. |
1. a and b
2. b and c
3. c and d
4. a and d
Subtopic: Vertebral column |
69%
Level 2: 60%+
Hints
Consider the statements A and B and select the correct option:
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
| Statement A: | First seven pairs of ribs are ventrally connected to the sternum with the help of hyaline cartilage. |
| Statement B: | The last three pairs of ribs do not articulate directly with the sternum but join the seventh rib with the help of hyaline cartilage. |
1. Both statements A and B are correct
2. Both statements A and B are incorrect
3. Only statement A is correct
4. Only statement B is correct
Subtopic: Number of Bone in Axial Skeleton | Axial Skeleton: I | Axial Skeleton: II |
58%
Level 3: 35%-60%
Hints
Select unpaired bones among the following:
(a) Occipital
(b) Parietal
(c) Ethmoid
(d) Sphenoid
(e) Maxilla
1. a, b and c
2. b, c and d
3. a, c and e
4. a, c and d
(a) Occipital
(b) Parietal
(c) Ethmoid
(d) Sphenoid
(e) Maxilla
1. a, b and c
2. b, c and d
3. a, c and e
4. a, c and d
Subtopic: Human Skeleton: Introduction, Function, Parts |
61%
Level 2: 60%+
Hints
Match the Column-I and Column-II. Select the correct option:
1. a (i), b (ii), c (iii), d (iv)
2. a (i), b (ii), c (iv), d (v)
3. a (v), b (iii), c (iv), d (ii)
4. a (v), b (ii), c (iii), d (i)
| Column-I | Column-II | ||
| (a) | Pivot joint | (i) | Between atlas and axis |
| (b) | Gliding joint | (ii) | Between the carpals |
| (c) | Ball and socket joint | (iii) | Knee joint |
| (d) | Saddle joint | (iv) | Between humerus and pectoral girdle |
| (v) | Between carpal and metacarpal of thumb |
1. a (i), b (ii), c (iii), d (iv)
2. a (i), b (ii), c (iv), d (v)
3. a (v), b (iii), c (iv), d (ii)
4. a (v), b (ii), c (iii), d (i)
Subtopic: Synovial Joint |
90%
Level 1: 80%+
Hints
Consider the following statements with respect to mechanism of muscle contraction
Select the option with the correct statement
1. a and c only
2. b and d only
3. a, c and d
4. b, c and d
| (a) | Binding of calcium with the subunit of tropomyosin removes the masking of active sites for myosin |
| (b) | Z-lines move towards the centre of ‘H’ zone |
| (c) | Cross bridge is formed by utilising the energy from hydrolysis of ATP |
| (d) | H-zone disappears when a muscle fibre is maximally contracted |
Select the option with the correct statement
1. a and c only
2. b and d only
3. a, c and d
4. b, c and d
Subtopic: Sliding Filament Theory |
67%
Level 2: 60%+
Hints
Assertion (A): A sarcomere consists of one 'A-band' and two half 'I-band'.
Reason (R): The sheath covering the bundle of muscle fibre is called fascia.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): The sheath covering the bundle of muscle fibre is called fascia.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Skeletal Muscle: Basic Anatomy |
74%
Level 2: 60%+
Hints
Assertion (A): The sheath covering the bundle of muscle fibre is called perimysium.
Reason (R): Perimysium is a sheath of connective tissue.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Perimysium is a sheath of connective tissue.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Skeletal Muscle: Basic Anatomy |
Level 3: 35%-60%
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