BIOLOGY CH19 Plant Physiology — Science STD 9 — Question

The solid, liquid, gaseous phases of water can coexist in equilibrium at………………………

Trip switch is a …………………. safety device.

The temperature of the star is determined by ______

A charge moving in a magnetic field, in a direction other than the direction of the magnetic field, experiences a force. It is called the ………………. force.

For an isolated positive charge the electric lines of force are radial…………………. and for an isolated negative charge they are radial…………………..

In bacteria, a small extra chromosomal circular DNA called ………….. is found in the cytoplasm.

Nanoparticle substances are incorporated in fabrics to prevent …………………..

The rotational period of the Sun near its poles is ______.

Ionic compounds are ……………..in nature.

We can see nearly _______ stars with the naked eye in the dark night