A Best Way To Crack Gorenment Job Exams

Biotechnology Objective Questions { Environmental Protection }

8. Which of the following is selectively effective against dicot weeds?
C.Herbicidin A and B
Discuss in Forum

9. Which of the following/(s) can be used for the reduction of nitrate in waste water?
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
Discuss in Forum

10.  Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?
Discuss in Forum

11. Which of the following is known to control Colorado potato beetle?
A.Beaveria bassiana
B.Metarhizium anisopliae
C.Verticillium lecauii
D.Nomuraea rileyi
Discuss in Forum

12. Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using
A.fungus Aureobasidium pullulans adsorbed by the fibrous asbestos
B.cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel
C.both (a) and (b)
D.Phanerochaete chrysosporium
Discuss in Forum

13. Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?
A.Polyoxin D
B.Polyoxin B
C.Polyoxin L
D.Polyoxin C
Discuss in Forum

14. Which of the following subgroup/(s) belong/(s) to the Baculo viruses?
A.Nuclear polyhedrosis viruses
B.Granulosis viruses
D.All of these
Discuss in Forum

Page 2 of 3

« 1  2  3 »