Differentiate between economic and non-economic activities with one example each.

Voluntary muscles can be moved by conscious will when we want them to move. For example, muscles of limbs or skeletal muscles. Involuntary muscles function on their own. We cannot...

(a) Iodine  (b) Bromine  (c) Graphite  (d) Carbon  (e) Sulphur, phosphorus  (f) Oxygen

Activities that add value to the national income are called economic activities. These have two parts – market activities (production for pay or profit) and non-market activities (production for self...

Primary activity involves extraction and utilization of natural resources without much processing. Tertiary activities involve supporting the primary and secondary activities.

Biodegradable wastes Non-biodegradable wastes Waste materials which can be broken down into harmless substance in nature in due course of time by the action of microorganisms such as certain bacteria are called...

Monoecious- bisexual condition of a plant / when both male and female flowers are on the same plant , e.g coconut palm /cucurbits / or any other correct example  Dioecious...

Biodegradable wastes Non-biodegradable wastes Waste materials which can be broken down into harmless substance in nature in due course of time by the action of microorganisms such as certain bacteria are called biodegradable...

Biodegradable wastes Non-biodegradable wastes Waste materials which can be broken down into harmless substances in nature in due course of time by the action of microorganisms such as certain bacterias are called...

Difference between biodegradable and non-biodegradable substances : S.No. Biodegradable Substance Non–biodegradable Substance 1. The substance which are broken down into simpler, harmless substance in nature in due course of time by the biological processes such as an action...

Diagnostics Therapeutics 1. It finds out the cause and nature of the disease. It treats patients to cure them of the disease. 2. It is based on signs and symptoms, history of the progress of the disease, laboratory and special tests It is...