Biology
Pollination is best defined as

growth of pollen tube in ovule
germination of pollen grains
visiting flowers by insects
transfer of pollen from anther to stigma

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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?

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

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