Treponema sp. can be selected by taking advantage of ____________
Anonymous Quiz
18%
small cell size
22%
motility
16%
dilute media
45%
small cell diameter and bacterial motility
❤1
Roll-tube technique is used to isolate ___________
Anonymous Quiz
15%
aerobes
32%
anaerobes
24%
facultatives
28%
stringent anaerobes
🤩1
In pour-plate method, the medium should be maintained at what temperature?
Anonymous Quiz
56%
37 degree C
14%
67 degree C
27%
45 degree C
3%
0 degree C
🔥1
Dilution of the mixed culture is a common step in all the three methods: the streak-plate, the spread-plate and the pour-plate technique.
Anonymous Quiz
81%
True
19%
False
👍2
What is the temperature of liquid nitrogen?
Anonymous Quiz
25%
-120 degree C
9%
0 degree C
11%
-150 degree C
55%
-196 degree C
🤩2👍1
Nichrome loop wire is used in which of the following techniques?
Anonymous Quiz
6%
Pour-plate
58%
Streak-plate
20%
Spread-plate
16%
Roll-tube technique
👍1🔥1
What is the color of colonies of Staphylococcus aureus?
Anonymous Quiz
34%
Pink
21%
Red
31%
Violet
14%
Gold
❤3
Growth in broth cultures occurs mainly in the form of__________
Anonymous Quiz
45%
slightly turbid
32%
heavy surface pellicle
11%
sediment
11%
viscous
🔥1😱1
The respiratory chain of bacteria is associated with the _____________
Anonymous Quiz
34%
mitochondrial membrane
41%
cytoplasmic membrane
19%
cell wall
5%
cytoplasm
👍2😱1
❤2
Which of the following are propionic acid bacteria?
Anonymous Quiz
16%
Streptococcus
45%
Acetobacter
29%
Clostridium
10%
Veillonella
👍1🔥1
What is the other name of glycolysis?
Anonymous Quiz
11%
PPP cycle
30%
TCA cycle
8%
C4 cycle
51%
EMP pathway
❤2
Stickland reaction is the alternative name for ________
Anonymous Quiz
27%
Lactic acid fermentation
28%
Alcoholic fermentation
29%
Mixed acid fermentation
16%
Amino acid fermentation
🤩1
Which of the following intermediates of TCA cycle act as amino acid precursors?
Anonymous Quiz
31%
oxaloacetic acid
26%
succinic acid
12%
citric acid
31%
acetyl CoA
👍2
Phosphoenolpyruvate (PEP) is converted to oxaloacetate by the enzyme PEP deaminase.
Anonymous Quiz
63%
True
37%
False
😢2
Which molecule will combine with the four-carbon oxaloacetate in the TCA cycle to form the six-carbon citrate?
Anonymous Quiz
10%
lactic acid
21%
NADH
7%
ATP
62%
acetyl-CoA
🔥1
Where are bacteriochlorophyll present in the cell?
Anonymous Quiz
40%
chloroplast
31%
cytoplasm
15%
mitochondria
14%
membrane
😱1
Which of the following steps during electron transfer in anoxygenic photosynthesis is the ATP production step?
Anonymous Quiz
22%
Ferredoxin to ubiquinone
33%
ubiquinone to cyt b
23%
cyt b to cyt f
21%
cyt f to excited bacteriochlorophyll
😢1
An essential process connected with photosynthesis is?
Anonymous Quiz
28%
photolysis
21%
synthesis of glucose
38%
photophosphorylation
13%
electron transfer
❤5👍1
Purple Sulphur Bacteria contains bacteriochlorophyll b and bacteriochlorophyll c.
Anonymous Quiz
89%
True
11%
False
👍1
RuBisCO enzyme plays an important role in __________
Anonymous Quiz
16%
light phase
45%
dark phase
22%
electron transport chain
18%
TCA cycle
❤1👎1