Zoology

Hastate Plate is associated with Digestive System of prawns.

Spider comes under Arachnida. Remaining all come under insecta.

Earthworm has suctorial mouth.

Any kind of engineering is a professional course full of technological studies. Zoology is a pure bioscience. Biomedical engineering is applied science. You cant say one is better than other. Every subject have its own field. Both subject gives u higher study and research oppurtunity. Biomedical eng

You should appear postgrad entrance exams of reputed colleges like jnu, bhu and others and pursue msc. after msc, u can do phd by clearing ugc net or opt mtech by clearing gate.

Look for any govt. college or university near your place or you may find it here
https://engineering.shiksha.com/msc-zoology-in-india-categorypage-2-65-1451-0-0-1-1-2-0-none-1-0

Admissions for traditional courses have come down and shutters are down for certain courses. The problem can easily be rectified with a new frame for the old subject. Elders have to devote more time, while sitting in Boards of Studies, when dealing with issues pertaining to careers.

Zoology graduates may work in fields like conservation biology, ecology and environmental sustainability, and ecology and management of the natural environment. If you have a business acumen you may combine it with a management degree and also pursue research at doctorate level.