question_answer

Which of the following statement(s) is/are correct?

(i) Organisms living in oceans, lakes and rivers do not face any water-related problems.

(ii) Euryhaline can tolerate a wide range of salinities.

(iii) Stenohaline are restricted to a narrow range of salinities.

(iv) No fresh water animals cannot live for long in sea water but sea animals can live in fresh water for long time because of osmotic balance.

(v) The salt concentration is less than 5% in inland water, 30-50% in sea and >100% in some hypersaline lagoons.

A) All are correct except (i)

B) None of the above

C) Only (iv)

D) (i), (iii) and (iv)