Oceans And Atmosphere

Read the following statements and find out the incorrect statement. (A) Carbon constitutes 49 per cent of dry weight of organisms and is next to water. (B) Of the total quantity of global carbon, 71 per cent caron is found dissolved in ocean. (C) Atmosphere contains about ten per cent of total global carbon . (D) The oceanic reservior regulates the amount of carbon dioxide in the atmosphere.

Ocean/Atmosphere acts as global sink for carbon dioxide.

Read the following statements: i. 51 % of carbon is found dissolved in oceans. ii.The oceanic reservoir regulated the amount of carbon dioxide in the atmosphere. iii. Some amount of the fixed carbon is lost to sediments and removed from circulation. iv. Carbon constituents 49% of the dry weight of an organism and it is next only to water.

Choose the incorrect statements. I. Plant absorbed phosphates in the form of H_(2)PO_(4)^(-) . II. Reservior of phosphorus in atmosphere. III. Most of the phosphates deposited in deep ocean as sediments. IV. Plant absorbed organic phosphates.