81. Which of the following social classes in the Later Vedic Age was responsible for serving the other three classes?
A) Brahmins
B) Kshatriyas
C) Vaishyas
D) Sudras
Answer: D) Sudras
82. What is the name of the Later Vedic text that contains information about the science of medicine and surgery?
A) Rigveda
B) Atharvaveda
C) Yajurveda
D) Samaveda
Answer: B) Atharvaveda