Select Chapter Topics:
Q. No.The neurotransmitter released by the motor neurons at the neuromuscular junction is:
1.
Acetylcholine
2.
Noradrenaline
3.
GABA
4.
Adrenaline
Subtopic: Sliding Filament Theory |
97%
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Select the correct statement regarding the specific disorder of muscular or skeletal system.
1. Muscular dystrophy - age related shortening of muscles
2. Osteoporosis- decrease in bone mass and higher chances of fractures with advancing age
3. Myasthenia gravis- auto immune disorder which inhibits sliding of myosin filaments
4. Gout- inflammation of joints due to extra deposition of calcium
Subtopic: Disorders of Muscular and Skeletal System |
88%
From NCERT
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Glenoid cavity articulates
| 1. | clavicle with acromion | 2. | scapula with acromion |
| 3. | clavicle with scapula | 4. | humerus with scapula |
Subtopic: Appendicular Skeleton |
77%
From NCERT
Identify the incorrectly matched pair:
| 1. | Myasthenia gravis | Autoimmune disorder affecting neuro-muscular junction |
| 2. | Tetany | Spasms in muscle due to high Ca++ in body fluids |
| 3. | Osteoporosis | Decreased bone mass is commonly due to decreased levels of estrogen |
| 4. | Gout | Inflammation of joints due to accumulation of uric acid crystals |
Subtopic: Disorders of Muscular and Skeletal System |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Identify the incorrect statement regarding human skeleton:
| 1. | The total number of true ribs and floating ribs are 7 pairs and 2 pairs respectively |
| 2. | Glenoid cavity and acetabulum are respectively present in scapula and coxal bone |
| 3. | The number of cervical vertebrae in Giraffe are more than the cervical vertebrae in humans |
| 4. | Sutures between cranial bones are examples of fibrous joints |
Subtopic: Axial Skeleton: I |
77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following is not a correctly matched pair?
| 1. | Ear ossicles | Total 6 in number |
| 2. | Pubic symphysis | Fibrous cartilage |
| 3. | Gliding joint | Between atlas and axis vertebrae |
| 4. | Scapula | Glenoid cavity |
Subtopic: Fibrous & Catilaginous Joints |
81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.