Explain with suitable examples the different types of phyllotaxy?

Explain with sultable examples the different types of phyllotaxy?

Explain with suitable examples of different types of phyllotaxy.

Explain with suitable examples the following : (a) n-type and p-type semi-conductors (b) F-centres (c) Ferromagnetism.

Classify the different types of Phyllotaxies citing example.

Explain with suitable example how the molecularity of a reaction Is different from the order of reaction ?

Explain with suitable example, how the molecularity of a reaction is different from the order of a reaction ?