State whether the following statement is true or false:

Tidal energy is one of the forms in which solar energy manifests itself in oceans.

Write the full form of OTE.

What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?

Fill in the following blanks with suitable words:

(a) Biomass is another form in which .......... energy manifests itself.

(b) Tidal waves build up and recede .............. a day.

What is biomass? Give three examples of biomass.