Boiling point of pure water is __________?

A. 90’c
B.  97’c
C. 100’c
D. None of these

________ it fills all the space avaliable.

A. Liquid
B. Gas
C. Solid
D. None of these

Change of state form liquid to solid is _________?

A. Boiling
B. Freezing
C. Evaporation
D. None of these

Gamma rays have greatest similarity with?

A. A-rays
B. X-rays
C. B-rays
D. U.v.-rays

Persistance of vision is the principle behind?

A. Camera
B. Spectroscope
C. Cinema
D. Periscope

Unit of force in (SI) is __________?

A. Meter
B. Newton
C. Kilogram
D. None of these

The Quantity of matter present in an object is its ________?

A. Density
B. Weight
C. Mass
D. None of these

The _____ is the largest natural source of light?

A. Sun
B. Moon
C. Star
D. None of these

The Earth behaves like a magnet with ______ poles?

A. Four
B. Three
C. Two
D. None of these

The process in which seed grows in to a new plant is called ______?

A. Fertilization
B. Germination
C. Vernalization
D. None of these