LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Rocks are not living because
A
they never move
B
they aren’t needed for humans
C
they are not made of cells
D
they don’t break down
Explanation: 

Detailed explanation-1: -Rocks do not reproduce, they do not die, and therefore they were never alive. But the line is not always that clear. Life is the process of self-preservation for living beings and can be recognised by life processes; such as eating, metabolism, secretion, reproduction, growth, heredity etc.

Detailed explanation-2: -Instead of cells, a non-living thing is made up of elements or compounds that form from chemical reactions. Examples of non-living things are rocks, water, and air.

Detailed explanation-3: -Viruses, virions, and viroids are all examples of non-cellular life.

There is 1 question to complete.