T3 CH1 Light — Science STD 7 — Question

Sun: Nucleus:: Planets: ______.

_______ is commonly defined as the totality of everything that exists or is known to exist.

Sensing the pyrogens, hypothalamus increases the body temperature by releasing a chemical _________

______ is always against, opposite side of light source.

Elements : Combine to form compounds :: Compounds : ______.

The average distance between the earth and the sun is about ______ million kilometre.

An organelle seen in bacteria and cell of higher organisms is ______

All prokaryotic belong to kingdom________

____________  are used to remove splinters of steel or iron in hospitals dealing with eye injuries.

_________ resistane is defined as the ability of the microorganisms to resist the effects of an antibiotic to which they were once sensitive.