What’s the name of the structural carbohydrate that is found in plant cell wall?

The main one would be cellulose...but there is also hemicellulose and in some there is pectin.

majorly cellulose, hemicellulose and pectins are the carbohydrates which are found.

Hope it will be enough to understand, if you want more info than ask here.

littering streams           is the answer

haploid cells;