Questions

The size of the pupil is controlled by the Iris when light enters the eye.

Primary succession is the orderly and predictable series of events through which a stable ecosystem forms in a previously uninhabited region. Primary succession occurs in regions characterized by the absence of soil and living organisms.

Most stars are at main sequence point in their life cycles.

Hima Das, nicknamed the "Dhing Express", is an Indian sprint runner from the state of Assam is appointed as the UNICEF India’s Youth Ambassador.

She holds the current Indian national record in 400 metres with a timing of 50.79 s that she clocked at the 2018 Asian Games in Jakarta, Indonesia

From the cornea, the light passes through the pupil. From there, it then hits the lens, the transparent structure inside the eye that focuses light rays onto the retina. The iris, or the colored part of your eye, regulates the amount of light passing through. 

Other than being the politician of India, Sushma Swaraj is Advocate by profession. She was the first women chief minister of Delhi for a brief period, Second women Minister for External Affairs after Indira Gandhi.