86. Which Upanishad deals with the concept of Brahman?
a) Chandogya Upanishad
b) Katha Upanishad
c) Brihadaranyaka Upanishad
d) Mundaka Upanishad
Answer: c) Brihadaranyaka Upanishad
87. Which Upanishad is known as the ‘Yoga Upanishad’?
a) Mandukya Upanishad
b) Katha Upanishad
c) Svetasvatara Upanishad
d) Yoga Kundalini Upanishad
Answer: c) Svetasvatara Upanishad
88. Which Upanishad is considered the oldest?
a) Chandogya Upanishad
b) Katha Upanishad
c) Brihadaranyaka Upanishad
d) Isha Upanishad
Answer: a) Chandogya Upanishad
89. Who is considered the author of the Upanishads?
a) Veda Vyasa
b) Valmiki
c) Lord Shiva
d) Unknown
Answer: d) Unknown
90. Which Upanishad deals with the concept of Karma Yoga?
a) Katha Upanishad
b) Mundaka Upanishad
c) Bhagavad Gita
d) Chandogya Upanishad
Answer: c) Bhagavad Gita