Locomotion and Movement

Sigmoid notch is formed by :

• cavity formed by humerus

• cavity formed by radio ulna

• cavity formed by tibia fibula

• cavity formed by femur

Total number of bones in the hind limb of a man is

• 21

• 23

• 27

• 30

The thin filaments of a muscle fibre are made up of

• actin, troponin, tropomyosin

• actin, troponin

• myosin, troponin

• actin, tropomyosin

Assertion : Among the land animals, the Cheetah can run fastest over the ground.

Reason : The Cheetah uses its powerful forelimbs to push itself forward during running. 

• If both Assertion and Reason are true and Reason is the correct explantion of Assertion

• If both Assertion and Reason are true and Reason is not the correct explanation of Assertion

• If Assertion is true but Reason is false

• If Assertion is false but Reason is true.

The contractile protein of skeletal muscle involving ATPase activity is

• tropomyosin

• myosin

• α-actinin

• α-actinin

Which one of the following is a sesamoid bone?

• Pelvis

• Patella

• Pterygoid

• Pectoral girdle

Which of the following is a transparent tissue

• Tendon

• Hyaline cartilage

• Fibrous cartilage

• All of these

Given diagram shows bone of the left human hindlimb as seen from front. It has certain mistakes in labeling. Two of the wrongly labelled bones are

• tibia and tarsals

• femur and fibula

• fibula and phalanges

• tarsals and femur

Neural canal is present in :

• humerus

• tibia-fibula

• vertebral column

• cranial bones

Assertion : Rheumatoid arthritis is an inflammation of the synovial membrane in synovial joints.

Reason : Infectious arthritis mostly occurs due to bacterial and viral infection.

• If both Assertion and Reason are true and Reason is the correct explantion of Assertion

• If both Assertion and Reason are true and Reason is not the correct explanation of Assertion

• If Assertion is true but Reason is false

• If Assertion is false but Reason is true