Hello, MBBS,  Zoology and Botany are not the only courses which you can opt for with an interest in biology. I also have an interest in biology and I am pursuing B. SC in Molecular and Microbiology. Although there are many courses which you can opt for with a science background, the courses that have their roots in biology are :

• Microbiology
• Molecular Biology
• Biochemistry
• Biotechnology
• Nursing
• Physiotherapy
• Radiology
• Bioinformatics
• Agriculture
• Pathology
• Health Science and Nutrition
• Forensic science
• Anthropology
• Occupational Therapy
• Horticulture
• Genetics
• BAMS
• Pharmacy
• Veterinary Science
• Paramedical courses

Thank you.

Dear Gayathri, If you want to study Botany/Zoology at Bachelors level, you can study B.Sc Botany/Zoology/Microiology/Biochemistry. There are many other Paramedical and Science streams that you can pursue your career in. There are MBBS, Dental, Agricultural, Biotechnological, Veterinary, Ayush streams. Apart from that there are Physiotherapy, Occupational Therapy, Psychology, Sociology, Sports Psychology, Horticulture, Forestry Sciences, B.Pharmacy, Nursing, Forensic Sciences. There are Diploma Courses like Radiology and Imaging Technology, Lab Technician, courses.CBSE has released a list of courses that can benefit students after 12th in various streams. This a list of almost 113 courses. This is a 122 page booklet and can be accessed at cbse.nic.in. This list also gives you the details of the Institutions where you can pursue these courses from. You can have a look at it aswel.