12 Biology Organisms and Populations - Set No : 19 Question No :2
Question No : 2
| I. Salmon II. Shark III. Sting rayWhich of them is/are stenohaline and euryhaline?Stenohaline Euryhaline |
| a) | I, III II | b) | I, II III |
| c) | II, III I | d) | I II, III |
Answer No : 2
(c)Stenohaline (shark and string rays)
and euryhaline (salmon).Some organisms are tolerant to wide
range of salinities called euryhaline,  salmon fish but others are
restricted to narrow range called stenohaline like shark and string rays.
Many freshwater animals cannot live for long in sea water and vice-versa
because of the osmotic problems they would face |