______ is the sum total of life prcess resulting in the break down of protoplasm.
Catabolism
Anabolism
Metabolism
None of these
The maintenance of a constant internal environment is called ________.
Homeostasis
Homothermic
Ectothermic
There are three kinds of things in the world ?
Living, nonliving at the dead
Living things only
Non living things only
Catabolism means _______.
Disintegration
Re organisation
Both A & B
______ do not have a life cycle.
Living thing
Non living thing
Living things are called _______.
Organisms
Non organisms
Organisation
Organs
____ is the basic and structural unit of life.
Cell
Tissue
Molecular
______ is the process of which complex food substances are broken down to simpler substances with the release of energy.
Respiration
Perspiration
Excretion
_____ is the sum total of all chemical and energy changes taking place in a living organism.
_______ are of different size and shape.
Molecule