B) രസതന്ത്രം :

1)http://www.scribd.com/doc/105958637
2)http://www.scribd.com/doc/105958766?secret_password=b2lgvd0pjnqxbcm6nyb
3)http://www.scribd.com/doc/105959172?secret_password=15n8t4mj9sinspwzxcsl
4)http://www.scribd.com/doc/105959477?secret_password=1futc99mukoumo7schgx
5)http://www.scribd.com/doc/105959677?secret_password=2hg6pyj2zus4ce8ejv5z


C)ജീവശാസ്ത്രം :
1)http://www.scribd.com/doc/105959944?secret_password=x8uzuavj1p8lcx4ii5u
2)http://www.scribd.com/doc/105960001?secret_password=uu5z0q38hm94igvxm4
3)http://www.scribd.com/doc/105960381
4)http://www.scribd.com/doc/105960491
5)http://www.scribd.com/doc/105960728