Question

Choose the ODD one out of the following terms given and name the CATEGORY to which the others belong

Malleus, iris, stapes, incus

• A. Malleus
• B. iris
• C. stapes
• D. incus

Answer 1

The correct option is B

iris

The correct option is B:

Explanation of the correct option:

1. present between the cornea and the lens
2. responsible for regulating the amount of light that enters the human eye.

Explanation of the incorrect option:

Option(A),(C) and(D):

The ear can be divided into 3 parts. They are-

1. The outer ear

2. The middle ear

1. consists of three ear ossicles or small bones
2. called the malleus, incus, and stapes.
3. Malleus is the largest while the stapes is the smallest.

3. The inner ear

Final Answer: Thus, the malleus, incus, and stapes form parts of the middle ear whereas the iris is a part of the eye.

1. The iris is the ODD one out in the given category.