Which is absent in aqueous humor ?

The species which is absent in the aqueous solution of CO_2 is

The species which is absent in the aqueous solution of CO_2 is

Assertion :- A real and inverted image is obtained on the retina. Reason:- Maximum refraction of light is caused by aqueous humor and lens.

Distinguish between : aqueous humor and vitreous humor

Distinguish between: aqueous humor and vitreous humor

Vitreous humor is

Distinguish between : Aqueous humor and vitreous humor.