(a) atlas/axis

(b) carpal/metacarpal of thumb

(c) Between phalanges

(d) femur/acetabulum

(e) Between cranial bones

(f) Between pubic bones in the pelvic girdle

Answers:

(a) Pivot joint

(b) Saddle joint

(c) Hinge joint

(d) Ball and socket joint

(e) Fibrous joint

(f) Cartilaginous joint