Read the following statements w.r.t. fungi : 

(i) Their body consist of long, slender thread like structures called hyphae 

(ii) The network of hyphae is called mycelium 

(iii) Hyphae may be continuous tubes filled with multinucleate cytoplasm, these hyphae are coenocytic 

(iv) In many cases hyphae have septate or cross walls 

(v) The cell wall of fungi are composed by chitin and polysaccharides. 

How many of the above statements are correct?