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- Subject
- Biology Mcqsbiology-mcqs
- Published
- 4 Mar 2020
- Last updated
- 28 May 2026
Explanation
The iris is a circular, disc-shaped structure with a round hole in the center called the pupil. The pupil is the opening itself, while the choroid coat and ciliary body are other parts of the eye but do not have this disc shape with a central hole.
More Biology Mcqs
Practice related questions from the same subject.
- 1.Which field of study focuses on the cultivation of crops and the management of soil?
- 2.What does pedology focus on studying?
- 3.What is another name for mitochondria?
- 4.Which field focuses on examining the interactions between antigens and antibodies present in the blood?
- 5.Which scientific discipline focuses on organizing and categorizing living organisms?
- 6.In the scientific name Homo sapiens, which two taxonomic categories are represented by the Latin terms?
- 7.Which virus is responsible for causing rabies?
- 8.Which of the following conditions is commonly associated with multiple opportunistic infections?