Muscular foot is a locomotary organ in
snakes
earthworm
housefly
snails
Which one of the following is the characteristics of birds?
Strong muscles
Light bones
Hollow bones
All of these
The number of cervical vertebrae in man is
ten
five
seven
eight
Which of the following organisms move by making loop on its sides?
Humans skeleton comprises
skull and backbone
ribs and breast bone
shoulder and hipbones`
all of these
Knee joints are
hinge joints
ball and socket joints
pivotal joints
fixed joints
