Which one of the following does not constitute part of the Veda?

Q. Which one of the following does not constitute part of the Veda?
(a) Nirukta
(b) Upanishad
(c) Brahmana
(d) Samhita
Ans: (a) Nirukta

Q. Which one of the following does not constitute part of the Veda?
(a) Nirukta
(b) Upanishad
(c) Brahmana
(d) Samhita
Ans: (a) Nirukta