Geetha Iyer Solutions for Exercise 1: ASSESSMENT-2(6-9)

The organic mixture formed from animal and plant decay and minerals is called

The topmost layer of soil is the $\mathrm{R}$-zone.

Spiracles are tiny holes in cockroaches through which air enters.

Name the mode of conduction of heat with the actual movement of the particles in the medium.

What is the SI unit of temperature?

The measure of heat content of the atmosphere.

Name the process by which the body of a parent cell breaks into smaller fragments, each of which can grow into a new individual.

Frogs use this organ to respire in water.