आँख के किस भाग द्वारा आँख में प्रवेश करने वाले प्रकाश की मात्रा नियन्त्रित होती है ? - Which part of the eye controls the amount of light entering the eye? - Ankh Ke Kis Bhag Dwara Ankh Me Pravesh Karne Wale Prakash Ki Matra niyantrit Hoti Hai ? General Science in hindi, Physics Cornia question answers in hindi pdf Iris questions in hindi, Know About Retina General Science online test General Science notes in hindi quiz book I - Baul
Answer should be... Pupil... Which controls the amount of light