Who among the following was a Brahmavadini who composed some hymns of the Vedas?

The compilation of which among the following is based upon the Rig Veda?

Which one of the following Brahmana texts belongs to the Rigveda?

Which one of the following is oldest Veda :

Which of the following animals was considered as “Aghanya” during the Vedic period:-

Which one of the following four Vedas contains an account of magical charms and spells?