Periodic Classification of Elements — Science STD 10 — Question

Each vascular bundle of monocot stem is surrounded by a few-layer of sclerenchyma cells called _____.

Alkynes are the most reactive due to the presence of the ______.

A ray parallel to the principal axis of a convex lens after refraction passes through …………

Metal displaces _______ gas from dilute acid and the flame goes off with a ______ sound.

Based on the amount of solute, the solution is classified into ________ types.

The solubility of CaO decreases with the ______ in temperature.

For a normal eye, the value of least distance of distinct vision is ………..

Two or more forces are acting in an object and does not change its position, the forces are ………. and it is essential to act some ………. force, to change the state or position of an object.

The theory which postulates that life originates from pre – existing life is ______.

RADAR is the short form of ______.