Q. If the external solution balances the osmotic pressure of the cytoplasm it is said to be (a)______ If the external solution is more concentrated, it is (b)______ and if the external solution is more dilute it is (c)______

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Solution:

If the external solution balances the osmotic pressure of the cytoplasm it is said to be isotonic. If the external solution is more concentrated, it is hypertonic and if the external solution is more dilute it is hypotonic.