Science

If you do B.Sc aviation from institutes like Indira Gandhi Rashtriya Udan academy then you will be hand-picked and considering the course nature, your job is not confined to one geographical location.

Graduate of any discipline is eligible to join bank as a probationary officer or in clerical services. However, to clear bank PO and clerical services examination, you require basic understanding of maths of class 10th level.

Hi,
You have a large number of options beside engineering and science degrees after PCM (10+2) stage. Following are career options for PCM students after 12th class:
(a) Engineering
(b) BCA
(c) BSc IT/CS
(d) BSc Physics, Chemistry, Maths, Statistics
(e) B.Architecture
(f) BBA, BMS, BBE, etc.
(g) Five years integrated law
(h) NDA
(i) SCRA
(j) Merchant Navy
(k) Fashion Designing
(l) Hotel Management
You can also change your stream to commerce, economics, humanities, etc. You may choose any based on your interest to excel in professional life.

Delhi University.

Hello,
To get a good job, you can apply for different government job exams like IBPS PO, SSC CGL, UPSC civil services exams, etc.
To appear in these exams, you don't need to pursue any other course or diploma / degree.
Graduation is required to appear in these exams.

Read:
https://ask.shiksha.com/what-is-the-scope-after-b-sc-hons-biotechnology-qna-1977355

You need to have at least 60% aggregate in class 12th with physics, chemistry and biology as the main subjects.

You can go for the courses like biochemistry, biotech, microbiology and many more courses that come under the subject of zoology/botany.