Which of the following has hydrostatic skeleton and exoskeleton at different stages of its life cycle?

• Crab

• Grasshopper

• Fly

• Leech

What will happen if X is torn?

• The arm cannot be bent

• The fingers cannot grip

• Dislocation of the bones occurs

• The arm cannot be straightened

Diagram shows the cervical vertebra of human?

What is the function of part P?

• For muscle attachment

• To place spinal cord

• To protect the spinal cord

• Rout for the blood vessels to spinal cord

What is the health problem of the individual?

• Muscular dystrophy

• Osteoporosis

• Arthritis

• Rickets

Diagram shows one of the human vertebral columns. What is the function of X?

• To bear weight of lower back

• To bear the weight of skull

• To bear the weight of the front of the body

• To bear the weight of the axial skeleton

What is the type of joint at P?

• Free movable joint

• sightly moveable joint

• immoveable joint

Diagram shows an elbow joint. Which of the following tissues joins Q to R?

• Ligament

• Tendon

• Adipose

• Cartilage

Based on the information above, what is the disease?

• Arthritis

• Rickets

• Scoliosis

• Osteoporosis

Which of the following animal has the above characteristics?

• Earthworm

• Frog

• Fish

• Bird

Diagram shows the human skeleton. Which bone A, B C or D forms a part of the appendicular skeleton?

• A

• B

• C

• D