Multiple Choice Questions - NET, SET, MSc, PhD
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Regular and unique practice MCQs for Section B of CSIR, GATE, GAT-B, ICMR, and DBT. Helpful in various SET, NET, MSc, BSc, Biology exams.

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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
Entner-Doudoroff pathway takes place only in procaryotes.
Anonymous Quiz
67%
True
33%
False
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
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
The final product of Calvin cycle is _________
Anonymous Quiz
30%
RuBP
21%
Glucose
18%
Dihydroxy acetone phosphate
31%
Glyceraldehyde-3-phosphate
👍1
Which force drives the flagellar rotation in bacteria?
Anonymous Quiz
12%
ATP
71%
protonmotive force
6%
electrons
11%
water gradient
Porter or permease is located in the _______________
Anonymous Quiz
31%
cytoplasmic membrane
40%
cell membrane
17%
nuclear membrane
12%
outer membrane
🤩1
Facilitated diffusion does not require metabolic energy.
Anonymous Quiz
70%
True
30%
False
👍1