Question

Choose the correct option-

A gymnast is able to balance his body upside down even in the total darkness because of?

• A. Vestibular apparatus
• B. Organ of Corti
• C. Cochlea
• D. Tectorial membrane

Answer 1

The correct option is A

Vestibular apparatus

The correct option is A.

Explanation of Correct option

1. Vestibular apparatus is present in the inner ear comprised of the vestibule, inner ear bony labyrinth, and semicircular canals.
2. It helps in the transmission of sensory impulses from the movement and position of the head to the CNS with respect to gravity.

Explanation of Incorrect option

Option B

1. Organ of the Corti is located in the inner ear.
2. It helps in the auditory signal transduction in the form of nerve impulses.

Option C

1. The cochlea is a coiled complex structure located in the inner ear.
2. It is involved in auditory transduction, thus helping in hearing.

Option D

1. The tectorial membrane is a strip of the extracellular matrix that is present along the length of the cochlea.
2. It plays a role in controlling the sensitivity while hearing.

Final answer: A gymnast is able to balance his body upside down even in the total darkness because of the vestibular apparatus.