CBSE Class 11 Biology Locomotion And Movement Enrichment Worksheet Set 02

Locomotion and Movement MCQ Questions with Answers Class 11 Biology 

Question. The number of bones present in the skeleton that runs along the middle longitudinal axis of the body is

(1) 87

(2) 90

(3) 80

(4) 78

Answer (3)

Question. The U-shaped bone present at the base of buccal cavity is

(1) Skull

(2) Hyoid

(3) Incus

(4) Stapes

Answer (2)

Question.Cranium protects the brain is made up of

(1) 9 bones

(2) 18 bones

(3) 28 bones

(4) 8 bones

Answer (4)

Question.The joint present between radius and ulna is

(1) Gliding joint

(2) Saddle joint

(3) Pivot joint

(4) Angular joint

Answer (3)

Question. Select the true statement

(1) A band is present in the middle of sarcomere

(2) H zone is present in the middle of A - band

(3) M line is present in the middle of H - zone

(4) All of these

Answer (4)

Question. The contraction of muscle of shortest duration is seen in

(1) Jaws

(2) Eye lids

(3) Heart

(4) Intestine

Answer (2)

Question.The longest bone of the thigh is

(1) Phalanges

(2) Tarsal

(3) Femur

(4) Metatarsal

Answer (3)

Question.Which one of the following is a viral disease that weakens the muscles?

(1) Atrophy

(2) Poliomyelitis

(3) Dystrophy

(4) Muscular hypertrophy

Answer (2)

Question. In a contracted skeletal muscle fibre

(1) M line disappears

(2) H-zone elongates

(3) I-band remains constant

(4) A-band disappears

Answer (1)

Question.One of the following ions is essential for muscular contraction

(1) Na⁺, Ca⁺⁺

(2) Mg⁺⁺, Ca⁺⁺

(3) Mg⁺⁺, K⁺

(4) K⁺, Na⁺

Answer (2)

Question.The potential difference across the membrane of a relaxed muscle fibre is called resting potential. It amounts to about

(1) –70 mV

(2) 50 mV

(3) 100 mV

(4) 50-100 mV

Answer (1)

Question.Tongue bone is

(1) Mandible

(2) Hyoid

(3) Flat bone

(4) Coccyx

Answer (2)

Question.Cori cycle involves

(1) Liver

(2) Muscles

(3) Liver and muscles both

(4) None of these

Answer (3)

Question.The backward bending of the shank is worked out by

(1) Gluteus maximus

(2) Quadriceps femoris muscles

(3) Adductor group of muscles

(4) Gastrocnemius and hamstrings

Answer (4)

Question. Which of the following is an example of multiunit smooth muscles?

(1) Smooth muscle in uterine wall

(2) Smooth muscle with the intestine

(3) Masseter muscle of the jaw

(4) Arrector pili muscle of skin

Answer (4)

Question.In Myasthenia gravis ________ is affected.

(1) Sarcoplasmic reticulum

(2) Sarcolemma

(3) Neuromuscular junction

(4) T-tubules

Answer (3)

Question. Least blood supply will be present in case of

(1) Skeletal muscle

(2) Smooth muscle

(3) Cardiac muscle

(4) None of these

Answer (2)

Question.In one of the following functions white muscles are not used

(1) Moving of eye balls

(2) Fast and strenuous work for short duration

(3) For sustained work at a slow rate for a prolonged duration

(4) Fast flights as in sparrows

Answer (3)

Question.Foramen magnum is associated with which bone?

(1) Frontal

(2) Parietal

(3) Temporal

(4) Occipital

Answer (4)

Question.Number of anterior curves present with human vertebral column is

(1) 2

(2) 4

(3) 6

(4) 1

Answer (1)

Question. Which one is not the character of red skeletal muscle?

(1) Smaller diameter

(2) More mitochondria

(3) More sarcoplasmic reticulum

(4) More blood capillaries

Answer (3)

More Question

1 Locomotion is movement, but not all movements are locomotion. Justify.

2  Which are the three types of movements exhibited by the cells of the human body? Mention which part of the body exhibits each movement.

3  Make a table showing the different types of muscles, location and function.

4  Muscle fibre is referred to us syncitium. Give reason.

5  Name the two types of contractile proteins present in myofibril.

6  With the help of neat labeled diagrams describe the structures of actin and myosin.

7  Explain the mechanism of muscle contraction and relaxation.

8  Differentiate between red fibres and white fibres.

9  Design a flow chart depicting different bones in our skeletal system.

10  Give an account of the vertebral column.

11  What do you mean by true ribs and false ribs? What are floating ribs?

12  Compare and contrast the structure of pectoral girdle and pelvic girdle.

13  Name the three types of joints. Give one example of each.

14  Write what happens in case of the following disorders:

a) Tetany

b) Gout

15  Identify one age-related disorder of skeletal system. Write its characteristics.