Oceanography

An oceanographer studies the ocean. Biological oceanographers and marine biologists study plants and animals in the marine environment. They are interested in the numbers of marine organisms and how these organisms develop, relate to one another, adapt to their environment, and interact with it.

Hello. You can visit the official website of JJT University again. The online PhD application is still available, and we can see the date January 29, 2023, in the "Admission" tab. Therefore, you may apply for a PhD again, and the next CET may be held in January 2023.
You have to follow the process mentioned, which is to download and fill out an application form. Submit all related documents and your proposal before the common entrance test (CET) date. You can also contact the department using the contact information provided on the same portal at the JJTU.

Hello!
Kindly visit the links given below-
https://www.shiksha.com/university/annamalai-university-tamil-nadu-other-25297/course-m-sc-in-marine-biology-and-oceanography-273714
https://www.shiksha.com/university/annamalai-university-tamil-nadu-other-25297/cutoff

No, you can not study any specific ocean-related course at class 6 standard as of now because None of the education boards is it CBSE, ICSE, or state boards offers such a course. However, you choose an e-courses platform like Coursera, NPTEL, SWAYAM, etc. To learn and develop an understanding of the course at your own pace and it's absolutely free with optional payment for certification.

Minimum Eligibility to Apply
12th 50%
Additional Details
Mandatory Subjects : Physics, Chemistry, Biology/Mathematics/Agriculture
For in-service candidate 40% marks is required in 10+2.
Hope this helps