Science

Contact colleges like in LPU

If MBA in Marketing is your target educational qualification then it does not matter whether you do BCA or B.Sc. You may choose graduation degree based on your interests.

Accounting will be hard to go through for science students, since you don't have mathematics in your class 12th, it will be harder, but nothing is impossible if you have the will.

In order to become an Astronaut, you require a minimum of 1000 hours of flying experience as a Pilot and Post graduation degree in either Science or engineering. By the way, India has produced only two astronauts and they were Fighter Pilots of Indian Air Force. There were two more astronaut of Indian origin Americans and they are aeronautical engineers by qualifications.

First, you should decide what you are interested in because maybe you can do it through science stream. If your field of interest is totally out of science subjects then you can always go for commerce because science students can shift to commerce but not the other way round. I would suggest you to search about actuarial science online.
All the best.

Hi,
You must complete 10+2 or an equivalent Diploma course to pursue your Bachelors. There is no direct admission abroad. You need to qualify entrance exams like SAT, MCAT, IELTS or TOEFL. For more details, visit the website of the concerned university.

No. you cannot. You need to have mathematics in your HSC in order to pursue architecture course.

You can opt for M.Sc abroad. You can get admission in universities like MIT, Oxford or Cambridge University. For more details, visit the website of above-mentioned universities.