Locomotion and Movement · Question 13

Which of the following statements are correct regarding skeletal muscle? Choose the most appropriate answer from the options given below:

1. B and C only
2. A, C and D only
3. C and D only
4. A, B and C only

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 most appropriate answer from the options given below:

1. Both (A) and (R) are correct and (R) is the correct explanation of (A)
2. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
3. (A) is correct but (R) is not correct
4. (A) is not correct but (R) is correct

Which of the following is a correct match for disease and its symptoms?

1. Arthritis - Inflamed joints
2. Tetany - High Ca2+ level causing rapid spasms
3. Myasthenia gravis - Genetic disorder resulting in weakening and paralysis of skeletal muscle
4. Muscular dystrophy - An auto immune disorder causing progressive degeneration of skeletal muscle

According to the sliding filament theory:

1. The actin filaments slide away from A-band resulting in shortening of sarcomere.
2. Actin and myosin filaments slide over each other to increase the length of the sarcomere.
3. Length of A-band does not change
4. I-band increases in length.

Gout is a type of disorder which leads to:

1. Weakening of bones due to low calcium level
2. Inflammation of joints due to accumulation of uric acid crystals
3. Weakening of bones due to decreased bone mass
4. Inflammation of joints due to cartilage degeneration

Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as :

1. Gout
2. Arthritis
3. Muscular dystrophy
4. Myasthenia gravis

Match List-I with List-II Choose the correct answer from the options given below

1. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
2. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
3. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
4. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)

During muscular contraction which of the following events occur? Choose the correct answer from the options given below.

1. B, D, E and A only
2. A, C, D and E only
3. A, B, C and D only
4. B, C, D and E only

Match the following columns and select the correct option.

1. (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
2. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
3. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
4. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

Select the correct option :

1. Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum
2. There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs
3. 8th, 9th and 10th pairs of ribs articulate directly with the sternum
4. 11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage.