Read the following statements carefully with respect to lysosomes

a) Lysosomes are membrane less vesicular structures

b) They are formed by the process of packaging in Golgi apparatus

c) The enzymes found in them are active at basic pH

d) They are also called triggerers for cell division

e) They are rich in hydrolytic enzymes

f) They contain minerals, sap, vitamins and sucrose

How many of the above statement are correct?