B.Sc

By the way, your percentage is low. But do not worry, you can get admission in B.Sc., depends on the cut-off of the college.

No not important !

For M.Sc Zoology, DU & BHU are kind of best universities followed by JNU. You can also opt for integrated M.Sc, Ph.D from various institutes like TIFR, IISER, etc., by clearing various exams.

If Kuvempu is recognised by UGC then you may directly apply for government jobs.

Check out the link mentioned below:
https://www.google.co.in/amp/s/www.shiksha.com/hospitality-travel/hotel-hospitality-management/course/amp/b-sc-in-hospitality-and-hotel-administration-srm-institute-of-hotel-management-srmihm-kattankulathur-chennai-70528
All the best.

It is not compulsory. You can get admission directly. For that, you have to book your slot earlier so that you can get admission during the time of counselling.

Exams like JAM, you should go for it. Take a look at the syllabus. Prepare yourself mentally. Do it.

Hi,
Educational Eligibility for an air hostess-training programme is plus two/or a graduate degree with a Diploma/degree in Hotel Management or Tourism Management. The aspirant must be eligible to hold an Indian Passport and should be below twenty-five years of age with a minimum height of 157.5 centimetres.
Best wishes for your career.