CAT Questions

---

The process of absorbtion of rain water by the soil on the earth is called infiltration. By this process, the rain water that falls on the soil becomes ground water.

Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the "zone of aeration", where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.

The least penetrating power ray is Alpha rays.

Isotopes are variations of an element that have the same charge as the original element, but a different mass, which is caused by either more/less neutrons in the nucleus.

A negative supply shock in the sho rt run causes the aggregate supply curve to shift to the left.

Unbalanced forces are the forces which causes change in motion of the object. It sets the object in motion and may cause the object to move. If the object is already in motion, it changes the speed and direction of the object.

Bacteria and archaea are similar in possessing prokaryotic cells.