00330nam a2200121Ia 4500008004000000020001800040082001300058100002300071245003000094260004600124300001200170650002600182210210b1995   xxu||||| |||| 00| 0 eng d  a81 259 0111 6  a574 AGGT  aAGGARWAL (Sarita).  aText book of biology. P2.  aN DbVikas publishing house pvt ltdc1995  axvi,788  aN C E R T I IPUC CBSE