Biology
Hinge joint is present between

Femur and pelvic gridle
Humerus and pactoral griddle
Femur acetabulum
Humerus and radio-ulna

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

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