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Q. No.The structure shown in the given diagram is a:
1. Muscle fibre
2. Myofibril
3. Myofilament
4. Myoblasts
1. Muscle fibre
2. Myofibril
3. Myofilament
4. Myoblasts
Subtopic: Skeletal Muscle: Myofilaments |
51%
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Identify the incorrectly matched pair:
| 1. | Occipital bone | Cranial bone that has condyles for articulation with superior region of the vertebral column |
| 2. | Ethmoid | Cranial bone forming the superior roof of the nasal cavity |
| 3. | Sphenoid | Cranial bone that has a saddle-like depression, location of pituitary |
| 4. | Frontal bone | An unpaired cranial bone |
Subtopic: Axial Skeleton: I |
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Subtopic: Synovial Joint |
56%
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Regarding the source of energy for muscle contraction:
| I: | The immediate source is ATP |
| II: | Creatine phosphate stores energy but has to be converted to ATP prior to use |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Energy for Muscle Contraction |
78%
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Match each item in Column I with the one in Column II and select the correct match from the codes given:
Codes
| Column I | Column II | ||
| A | Pivot joint | P | Between carpal and metacarpal of thumb |
| B. | Saddle joint | Q | Between atlas and axis vertebrae |
| C | Gliding joint | R | Between carpal bones |
| D | Hinge joint | S | Humero-ulnar joint |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | Q | P | R | S |
| 4. | P | Q | S | R |
Subtopic: Fibrous & Catilaginous Joints |
86%
From NCERT
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Given below are two statements:
| Assertion (A): | Vertebrochondral ribs are called true ribs. |
| Reason (R): | Vertebraochondral ribs are attached to the thoracic vertebrae dorsally and are ventrally connected to the sternum. |
| 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: Sternum & Ribs |
63%
From NCERT
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | Post-menopausal women are at higher risk to develop osteoporosis. |
| Reason (R): | Level of oestrogen in post-menopausal women is decreased. |
| 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: Disorders of Muscular and Skeletal System |
89%
From NCERT
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Match the type of muscle shown in Column I with location in Column II and select the correct match from the codes given:
| COLUMN I | COLUMN II | ||
| A |  |
P |  |
| B |  |
Q |  |
| C |  |
R |  |
Codes:
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | Q | R | P |
| 4. | Q | P | R |
Subtopic: Skeletal Muscle: Basic Anatomy |
69%
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The given diagram shows a representation of a synovial joint found between atlas and axis vertebrae. What is this type of synovial joint called?
| 1. | Hinge | 2. | Ball and socket |
| 3. | Pivot | 4. | Saddle |
Subtopic: Synovial Joint |
75%
From NCERT
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Identify the incorrect statement regarding the ultra-structure of a skeletal muscle:
| 1. | Z lines bisect the I band |
| 2. | G actin is a polymer of F actins |
| 3. | A subunit of troponin masks active binding sites for myosin on the actin filament. |
| 4. | Globular head of myosin has ATPase activity. |
Subtopic: Skeletal Muscle: Myofilaments |
75%
From NCERT
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