#80.
A liquid pesticide formulation that does not dissolve in water but is dissolved in organic solvents
A
Emulsifiable concentrate
B
Dust
C
Aqueous concentrate
D
Aerosols
Answer: Emulsifiable concentrate
#81.
A solid pesticide formulation applied undiluted where the active ingredients is combined with inert ingredients such as clay to form particles about the size of coarse sugar
A
Dust
B
Water soluble powder
C
Wettable powder
D
Granule
Answer: Granule
#82.
Pesticides category symbolized by a red band and skull and crossbones
A
Category I
B
Category II
C
Category III
D
Category IV
Answer: Category I
#83.
Which is NOT an expression of active unit in pesticide labels?
A
Percent
B
g/kg
C
ml or g/liter
D
ppm
Answer: ppm
#84.
A universally accepted name given a pesticide by an appropriate professional organization
A
Trade name
B
Common name
C
Proprietary name
D
Brand name
Answer: Common name
#85.
The shape of majority of plant pathogenic bacteria
A
Spherical
B
Rod-shape
C
Helical
D
Filamentous
Answer: Rod-shape
#86.
Developed the substage condenser for the microscope
A
Leeuwenhoek
B
Pasteur
C
Abbe
D
Hooke
Answer: Abbe
#87.
Showed that fire blight of pear and twig blight of apple were caused by a bacterium
A
Erwin Frank Smith
B
Demetri Iwanowski
C
Martinus Willem
D
Thomas Jonathan Burrill
Answer: Thomas Jonathan Burrill
#88.
Causal agent of crown gall
A
Rhizobium trifolii
B
Agrobacterium tumefaciens
C
Pseudomonas syringae pv. Savastanoi
D
Agrobacterium rhizogenes
Answer: Agrobacterium tumefaciens
#89.
Not among the five major genera of phytopathogenic bacteria
A
Bacterium
B
Xanthomonas
C
Pseudomonas
D
Erwinia
Answer: Bacterium
#90.
Causal agent of soft rot of vegetables
A
Pseudomonas solanacearum
B
Pectobacterium carotovorum
C
Xanthomonas campestris pv. camestris
D
Pseudomonas syringae pv. glycinea
Answer: Pectobacterium carotovorum
#91.
Causal agent of bacterial wilt of tomato
A
Pectobacterium carotovorum
B
Xanthomonas vesicatoria
C
Ralstonia solanacearum
D
Pseudomonas syringae pv. syringae
Answer: Ralstonia solanacearum
#92.
Causal agent of bacterial blight of rice
A
Xanthomonas oryzae pv. oryzicola
B
Xanthomonas oryzae pv. oryzae
C
Xanthomonas sacchari
D
Xanthomonas campestris
Answer: Xanthomonas oryzae pv. oryzae
#93.
Causes fire blight of apples and pears
A
Erwinia amylovora
B
Erwinia chrysanthemi
C
Erwinia carotovora
D
Erinia stewartia
Answer: Erwinia amylovora
#94.
Not found in the cell envelope of Gram-positive bacteria
A
Inner cytoplasmic membrane
B
Outer membrane
C
Peptidoglycan layer
D
Periplasmic space
Answer: Outer membrane
#95.
Antibiotic that interferes with peptidoglycan synthesis and thereby prevents cell wall synthesis in growing bacterial cells
A
Kanamycin
B
Cycloheximide
C
Penicillin
D
Streptomycin
Answer: Penicillin
#96.
Bacterial surface appendage responsible for motility
A
Cilia
B
Fimbriae
C
Flagella
D
Pili
Answer: Flagella
#97.
Main means of reproduction of bacteria
A
Budding
B
Binary fission
C
Spore formation
D
Transverse fission
Answer: Binary fission
#98.
Missing mollicute
A
Cell membrane
B
Cytoplasm
C
Cell wall
D
Ribosomes
Answer: Cell wall
#99.
Flagellation pattern characterized by the presence of a single flagellum