Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled $\mathrm{A}, \mathrm{B}, \mathrm{C}$ and $\mathrm{D},$ and select the right option about them.

The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?

The supportive skeletal structures in the human external ears and in the nose tip are examples of:    

Select the correct option about given diagram:-

Pick the correct option with regards to given below figure :-