Study the following statements regarding osmoregulatory adaptations in marine and freshwater fish and identify the correct statements: Statements I. Marine fishes actively excrete excess salt through their gills. II. Freshwater fishes have glomerular kidneys. III. Marine fishes face the problem of exosmosis. IV. Freshwater fishes have salt-excreting chloride cells.
Match the following:
Which of the following statements are correct regarding lithium and magnesium? I) They react slowly with water II) Their bicarbonates are solids III) Their chlorides are not soluble in ethanol IV) Their nitrates decompose easily on heating
A part of a circuit is shown in the figure. The ratio of the potential differences between the points A and C, and the points D and E is.