Biology
Night Blindness is caused by deficiency of which of the following Vitamin?

Vitamin C
Vitamin K
Vitamin B
Vitamin A

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Biology
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

Character of semi permeable membrane is not given
Exact concentration of solution is not given
All are incorrect
The flow of solution is not possible through semi permeable membrane

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