Question

4. The joint which allows movement in one direction only is a:
(a) ball and socket joint
(b) pivot joint
(c) hinge joint
(d) slightly moveable joint
5. Earthworm moves by means of:
(a) fins
(c) flagella
(d) hind limbs
Which of the following animal has its body covered with a hard shell?
(a) Snail
(b) Fish
(c) Earthworm
(d) All of these
7. Synovial cavity is found in :
(a) freely movable joints
(b) immovable joints
(c) slightly movable joints
(d) muscles.
6.
(b) circular and longitudinal musde​

Answer 1

Answer:

4=hinge joint

5=hindlimbs

6=Snail

7=immovable joints

Hope it helps