what is the full form of 'PEN'? Share with your friends Share 0 Suspense answered this i think Penitentiary..........:) 1 View Full Answer Akshita Viswan answered this Penitentiary? 0 ASC-4j8g5 answered this actually i dnt knw it is frm wch topic so anyone can help 0 Suspense answered this i think it's frm bio........ den it's right yaaaarr......! :) :) 0 Pooja Gopakumar answered this Poly Ethylene Naphthalate/ Penetrating/Penetration 1 Archa Aneesh answered this public electronic network....hope it helps.... 0 ASC-4j8g5 answered this d ques is frm bio.. 1 ASC-4j8g5 answered this and it lies btw topics living world and anatomy..nw tell 0 Manvi Bansal answered this dont know 0 varshni26... answered this may be penitration 0 Sanidhya answered this PEN stands for Project on Emerging Nanotechnologies. 0 Nikitha Sreekumar answered this PEN stands for Primary Endosperm Nucleus 2 Shabana P Ummer answered this primary endosperm nucleus 2 Shabana P Ummer answered this it's from the portion angiosperm.if you refer ncert text,look 3.5hope it will help u 0 Mannu answered this i don't know 0 S.r.upesh answered this primary endosprem nucleus.... 1 Shivanand answered this It stands for primary endosperm nucleus 0 Debapriya Chakraborty answered this Primary endosperm nucleus 0