Q. No.
All the muscles have the following special
properties, except
| 1. | Excitability | 2. | Extensibility |
| 3. | Autorhythmicity |
4. | Contractility |
Passage of ova through the female reproductive tract is
facilitated mainly by
| 1. | Amoeboid movement |
| 2. | Ciliary movement |
| 3. | Muscular movement only |
| 4. | pseudopodial movement |
Given below is a diagrammatic representation of
anatomy of a muscle fibre
Choose the correct option with respect to the labelled
structure
| 1. | 'A' consists of actin protein only |
| 2. | 'B' consists of myosin protein only |
| 3. | 'C' consists of actin and myosin protein only |
| 4. | 'D' consists of myosin protein only |
In the rest state, a subunit of Troponin masks
1. Active binding sites for actin on the myosin filaments
2. Active binding sites for myosin on the myosin filaments
3. Active binding sites for myosin on the actin filaments
4. Active binding sites for actin on the actin filaments
Cells of Human body exhibit which type of movement :-
1. Amoeboid
2. Muscular
3. Ciliary
4. All of the above
In the given four statements (a-d), select the options, which includes all the correct ones only:-
| (a) | Fibula does not participate in knee joint formation. |
| (b) | Tarsal bones are much larger and stronger than carpal bones because they have to support and distribute body weight. |
| (c) | Scapula situated dorsally in thoracic region between 2nd and 7th rib. |
| (d) | Two half of the pelvis girdle meet dorsally to form the pubic symphysis containing fibrous cartilage. |
1. Statement (a), (b), (c)
2. Statement (a), (c), (d)
3. Statement (b), (c), (d)
4. Statement (a), (b), (c), (d)
Which of the following includes non-muscular movement?
(a) Protoplasmic streaming
(b) Pseudopodial movements
(c) Flagellar movements
(d) Ciliary movement
1. (a) and (b)
2. (a), (c) and (d)
3. (a), (b), (c) (d)
4. (c) and (d)
Arrange the events during muscle contraction in correct order.
| a. | Acto-myosin complex synthesis |
| b. | Release of neurotransmitter (acetylcholine) at the neuromuscular junction |
| c. | Pumping of Ca2+ ions into sarcoplasmic cisternae |
| d. | Sliding of actin filaments over myosin |
| e. | Release of Ca2+ ions into sarcoplasm |
1. b, c, e, a d
2. e, b, a, d, c
3. b, e, a, d, c
4. a, b, e, d, c
Which one of the following disorder of bones is characterized by microarchitectural deterioration of the bone, increased fragility, and prone to fracture?
1. Osteoarthritis
2. Gouty arthritis
3. Osteoporosis
4. Rheumatoid arthritis
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