Hi, a current LMS undergraduate here. With the 10th percentile at CGPA 3.53 and BBC/C, LMS is a relatively easy course to enter. All prospective students will have to go through an interview before admission unlike other courses where you get admitted directly.
When you get shortlisted for interviews, you will go through a written essay test (30mins) on a random topic about languages. Do read up the course description to have an idea on what to write. Also, as you are applying to a degree that specializes in dealing with languages, make sure your argument is something along the lines of say, advocating language diversity instead of advocating the world should only speak 1 language, English.
You will be made to wait with fellow candidates in a meeting room and the professor will call you guys one by one for an interview. The interview will be generally non-formal and the prof just wants to know why LMS but not other courses. After the session, just wait for the letter from NTU admin office.
LMS is NOT about learning many languages. Rather, it is about using a scientific approach in studying languages. E.g applying existing linguistic hypothesis to derive the grammar structure of unknown languages, universal principles among the languages in the world. We do learn some physics and biology though, to understand the physiological and acoustic mechanism of speech. However, unlike Eng Lit/History, we do not usually have essays for tests&exams (short answers/mcqs) but we do have essay assignments.
Why LMS NTU and not FASS EL? EL adopts a pure humanities approach; after learning what constitutes a language(syntax,semantics etc.), you learn about historical and social phenomenons associated with language use. LMS does offer these modules too BUT LMS has several professors who are experts in neurolinguistics (where is language processd in the brain?) and psycholinguistics (how does the mind work when using languages?) , something which NUS seems to lack (correct me if I'm wrong but I can't find any info on these on FASS' site). TLDR: LMS offers a more holistic and interdisciplinary approach toward the field of linguistics whereas NUS mainly focuses on theoretical, historical and social aspects.
Let me know if there are any questions
-A senior who is passionate about guiding his/her juniors