To be able to apply for an EASA Part-66 (Aircraft Maintenance Licence) Category B1.1 or B1.3 rating, the following knowledge modules must be succesfully passed. Depending on the different ratings different modules can be applicable.

In total 13 Multiple Choice Examinations and 2 Essay Questions are applicable to the B1 Category.  

    B1.1 B1.3 
MODULE 1 MATHEMATICS X
MODULE 2 PHYSICS X
MODULE 3 ELECTRICAL FUNDAMENTALS X
MODULE 4 ELECTRONIC FUNDAMENTALS X
MODULE 5 DIGITAL TECHNIQUES / ELECTRONIC INSTRUMENT SYSTEMS X
MODULE 6 MATERIALS AND HARDWARE X
MODULE 7 MAINTENANCE PRACTICES (+/+ 2 Essay Questions) X
MODULE 8  BASIC AERODYNAMICS X
MODULE 9 HUMAN FACTORS X
MODULE 10 AVIATION LEGISLATION X
MODULE 11 AEROPLANE AERODYNAMICS, STRUCTURES AND SYSTEMS (Split in 2 examinations) X  
MODULE 12  HELICOPTER AERODYNAMICS, STRUCTURES AND SYSTEMS (Split in 2 examinations)  
MODULE 13 AIRCRAFT AERODYNAMICS, STRUCTURES AND SYSTEMS    
MODULE 14 PROPULSION    
MODULE 15 GAS TURBINE ENGINES X
MODULE 16 PISTON ENGINES    
MODULE 17 PROPELLER X  

As regulations can change, please always consult the EASA regulations page. The above table was published in the official journal of the European Union on 17-Dec-2014 in regulation EU No. 1321/2014