Biology
In all arthropods,the body is covered with a chittinous cuticle which is secreted by the

Mesophyll
Chitin
Epidermis
Endodermis

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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?

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

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