This book contains collection of sorted questions asked in CSIR UGC NET Life Science exam during last nine years. The questions are followed by answers key. The questions asked in CSIR NET exam are of very good quality and quite useful for other examination like DBT JRF, IIT-JAM, SET, GATE etc. Answer of question are as officially published by on CSIR exam unit. Author feel that this compiled questions will be quite useful for preparing targeted preparation for CSIR UGC NET exam or other related life science exams.