TY  - BOOK
AU  - Vinay kumar
TI  - Question bank in biology: for class XI 
T2  - Tata Mcgraw-Hill's question bank series
SN  - 0070263833
U1  - 574 
PY  - 2008///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing
KW  - Biology
ER  -