Which of the following controls the size of pupil in human eye?

Q. Which of the following controls the size of pupil in human eye?
Answer: Iris
Notes: Light enters the eye through the pupil, and the iris regulates the amount of light by controlling the size of the pupil. The iris contains two groups of smooth muscles; a circular group called the sphincter pupillae and a radial group called the dilator pupillae.

Question Source: 📚This question has been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India. Download the app here.

📌 Question Number: 79 in 29. Human Body - Senses - Eyes, Ears and Nose in the above course in App.

This Question is Also Available in:

हिन्दी ಕನ್ನಡ