19. The algae that are characteristically associated with polluted waters are A) Volvox sp. and Proteus sp. B) Oscillato
Posted: Mon Jul 11, 2022 2:19 pm
19. The algae that are characteristically associated with polluted waters are A) Volvox sp. and Proteus sp. B) Oscillatoria sp. and Anabena sp. C) Necator sp and D) Hemophlilus sp. and Micrococcus sp. E) either of the above Taenia sp 20. Which group of organisms serves as biological vectors of many human diseases A) nematodes B) trematodes C) cestodes D) protozoa E) arthropods 21. Growth of Serratia species all around a disc impregnated with streptomycin A) the rate of diffusion was very slow B) the organism is resistant C) glucose was gartent fermented D) possess flagella E) none of the above = identify