Hello Aspirant,

Yes a student having Biology in 10+2 can appear for NDA 2022 as per the eligibility criteria but only for India Army not for Naval services.

For your reference the complete eligibility criteria for NDA 2022 is mentioned below :-

>>> Either you should be an Indian National or a subject of Nepal or a subject of Bhutan or people of Indian origin migrated from Zaire, Ethiopia, East African Countries of Kenya, the United Republic of Tanzania, Malawi, Uganda, Burma, Pakistan, Zambia, Sri Lanka and Vietnam to settle in India or Tibetan refugees came to India, to settle in India before January 1, 1962

>>> For NDA 2 2022 the age should be 16.5-19.5 years old and should have born in between January 2, 2004 to January 1, 2007.

>>> Indian Army - Should have passed 12th standard from valid State Education Board or a University.

>>> Indian Air Force and Naval - Should have passed 12th standard with Physics and Mathematics from valid State Education Board or a University.

>>> The candidate should be unmarried.

For detailed eligibility criteria kindly check out the link given below :-

https://competition.careers360.com/articles/nda-eligibility-criteria

I hope this information helps you.

Good Luck!!