Solution:Concept: Husk of coconut is made up of sclerenchyma which is a dead tissue whose cells have a tough lignified cell divider. It is a dead tissue whose cells have a tough lignified cell divider. It may be a dead tissue which secures the natural product from the assault of prey.
The Sclerenchymatous tissue is a type of permanent tissue that makes up the coconut's husk. These tissues result in the plant becoming stiff and hard. The cells belonging to this tissue are dead, and their cell walls are thickened due to the presence of lignin.
Therefore, the husk of coconut is made of sclerenchyma tissue.
Hence, the correct answer is option 2.