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:-

1. Statement (a), (b), (c) 

2. Statement (a), (c), (d)

3. Statement (b), (c), (d) 

4. Statement (a), (b), (c), (d)

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

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

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

All the muscles have the following special 

properties, except

(1) Excitability

(2) Extensibility

(3) Autorhythmicity 

(4) Contractility

Acromion process is related to 

1. Scapula

2. Humerus

3. Femur

4. Tibia

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 ${\mathrm{Ca}}^{2+}$ into sarcoplasmic cisternae

d. Sliding of actin filaments over myosin

e. Release of ${\mathrm{Ca}}^{2+}$ 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