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Q. No.Which tissue can be auto excitable?
I:
Epithelium
II:
Connective
III:
Muscle
IV:
Neural
1.
Only IV
2.
III and IV
3.
I and II
4.
I, II, III and IV
Subtopic: Connective Tissue |
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The sarcoplasmic reticulum in a skeletal muscle fiber is a type of
| 1. | smooth endoplasmic reticulum and stores acetylcholine |
| 2. | rough endoplasmic reticulum and stores acetylcholine |
| 3. | smooth endoplasmic reticulum and stores calcium |
| 4. | rough endoplasmic reticulum and stores calcium |
Subtopic: Skeletal Muscle: Sarcomere |
76%
From NCERT
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In the resting state, a subunit of __a__ masks the active binding sites for __b__ on the __c__ filaments.
| a | b | C | |
| 1. | Troponin | Myosin | Actin |
| 2. | Troponin | Actin | Myosin |
| 3. | Actin | Troponin | Myosin |
| 4. | Myosin | Actin | Troponin |
Subtopic: Skeletal Muscle: Myofilaments |
87%
From NCERT
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Identify the incorrect statement:
| 1. | Axial skeleton comprises 80 bones. |
| 2. | A paired U-shaped bone called hyoid is present at the base of the buccal cavity and it is also included in the skull. |
| 3. | Each middle ear contains three tiny bones – Malleus, Incus and Stapes, collectively called Ear Ossicles. |
| 4. | The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull). |
Subtopic: Axial Skeleton |
84%
From NCERT
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The number of cervical vertebrae are seven in:
1. All mammals
2. Only humans
3. Almost all mammals
4. Only a few mammals
1. All mammals
2. Only humans
3. Almost all mammals
4. Only a few mammals
Subtopic: Vertebral column |
77%
From NCERT
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Consider the given two statements:
| Statement I: | Bone and cartilage are specialised connective tissues. |
| Statement II: | The cartilage has a very hard matrix due to calcium salts in it and the bone has slightly pliable matrix due to chondroitin salts. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Connective Tissue |
85%
From NCERT
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Consider the given two statements:
| Statement I: | The total number of bones in each upper limb is less than the number of bones in each lower limb. |
| Statement II: | The number of carpals in each upper limb is lower than the number of tarsals in each lower limb. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Appendicular Skeleton |
88%
From NCERT
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The largest foramen in the human skull, the foramen magnum, is located in the _________________ bone of the skull.
1. frontal
2. parietal
3. occipital
4. temporal
1. frontal
2. parietal
3. occipital
4. temporal
Subtopic: Axial Skeleton: I |
82%
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Select the correct option of labeled parts regarding the given figure:
| 1. | 1 – Frontal; 2 – Maxilla; 3 – Clavicle; 4 - Humerus |
| 2. | 1 – Frontal; 2 – Maxilla; 3 – Scapula; 4 - Humerus |
| 3. | 5- ribs; 6 – vertebrae; 7 – Hyoid; 8 - Scapula |
| 4. | 1- Frontal; 2- Zygomatic; 9 – Maxilla, 10 - Sphenoid |
Subtopic: Appendicular Skeleton | Axial Skeleton |
95%
From NCERT
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How many of the given statements regarding the parts labeled in the given figure are true?
1. 0
2. 1
3. 2
4. 3
| I: | 1 has condyles and articulates with first vertebra, 10 are floating ribs |
| II: | 2 articulates with acetabulum, 5 articulates with glenoid cavity |
| III: | 3 is radius, 4 is ulna, 7 is fibula, 8 is tibia |
| IV: | 9 shows thoracic vertebrae |
2. 1
3. 2
4. 3
Subtopic: Appendicular Skeleton | Axial Skeleton |
68%
From NCERT
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