Sound — Science STD 9 — Question

Epithelial cells with cilia are found in the _________ of our body. (Alimentary canal, Blood vessels, Bones)

1 watt is a rate of working of one _____ per _____.

Lining of the small intestine is made up of ____________. (Columnar epithelium, Squamous epithelium, Cuboidal epithelium)

It is possible for something to accelerate but not change its speed if it moves in a __________. (Straight line, Circular path, Parabola)

The number of protons in the nucleus of an atom is called its __________. (Atomic number, Mass number, Valency)

Lining of blood vessels is made up of _________. (Squamous epithelial tissue, Columnar epithelial tissue, Cuboidal epithelial tissue)

The best evidence that the particles of matter are constantly moving comes from the studies of Diffusion and ________. (Brownian motion, Condensation, Melting)

A colloid is a _________ mixture and its components can be separated by the technique known as __________.