11. | Which of the following can be used for the removal of color from the effluents of pulp mill? |
a. | Coriolus versicolor entrapped in calcium alginate beads |
b. | Phanerochaete chrysosporium |
c. | Both (a) and (b) |
d. | Nitrosomonas europaen |
View Answer Report Discuss 50-50! |
Answer: (c).Both (a) and (b)
|
12. | Which of the following have been used to oxidize ammonia and to prevent algal growth? |
a. | growth of hypomicrobium in presence of added methanol |
b. | Micrococcus denitrificans cells encapsulated in liquid membranes |
c. | Both (a) and (b) |
d. | Nitrosomonas europaen |
View Answer Report Discuss 50-50! |
Answer: (d).Nitrosomonas europaen
|
13. | Which of the following microorganisms leach metals out of rock ores and can accumulate silver? |
a. | Pseudomonas aeruginosa |
b. | Thiobacillus |
c. | Pseudomonas putida |
d. | Zoogloea ramigera |
View Answer Report Discuss 50-50! |
Answer: (b).Thiobacillus
|
14. | Inundation involves use of a/an |
a. | large number of organisms over a short time to suppress/destroy a population |
b. | organism over a short time to suppress/destroy a population |
c. | large number of organisms over a long time to suppress/destroy a population |
d. | organism over a long time to suppress/destroy a population |
View Answer Report Discuss 50-50! |
Answer: (a).large number of organisms over a short time to suppress/destroy a population
|
15. | Milbemycin is known to exhibit a broad spectrum of activity against |
a. | agricultural pests |
b. | agricultural herbs |
c. | agricultural insects |
d. | all of these |
View Answer Report Discuss 50-50! |
Answer: (a).agricultural pests
|