Voluntary muscles are found in
(a) alimentary canal
(b) limbs
(c) iris of the eye
(d) bronchi of lungs
Bone matrix is rich in
(a) fluoride and calcium
(b) calcium and phosphorus
(c) calcium and potassium
(d) phosphorus and potassium
Fats are stored in human body as
(a) cuboidal epithelium
(b) adipose tissue
(c) bones
(d) cartilage
Name the forces acting on a plastic bucket containing water held above
ground level in your hand. Discuss why the forces acting on the bucket do
not bring a change in its state of motion.
An inflated balloon was pressed against a wall after it has been rubbed
with a piece of synthetic cloth. It was found that the balloon sticks to the
wall. What force might be responsible for the attraction between the balloon
and the wall?