PrepBharat

1. Yeast poisons themselves to death when alcohol concentration reaches to ________ in alcoholic fermentation.
a) 2%
b) 10%
c) 13%
d) 20%

View Answer

2. Lactic acid fermentation occurs in
a) Some bacteria
b) Muscle cell under anaerobic condition
c) Both (a) and (b)
d) Aerobic condition

View Answer

3. How much percentage of energy is released in fermentation?
a) < 1%
b) < 7%
c) >13%
d) >20%

View Answer

4. Which of the following relation shows substrate level phosphorylation?
a) Citric acid → α-ketoglutaric acid
b) Malic acid → oxaloacetic acid
c) α-ketoglutaric acid → Succinyl-CoA
d) Succinyl-CoA → Succinic acid

View Answer

5. Which of the following is a ‘5C’ compound?
a) Oxaloacetic acid
b) Citric acid
c) α-ketoglutaric acid
d) Succinic acid

View Answer

6. At how many places in Kreb’s cycle NADH \[+H^{+}\] is formed?
a) 1
b) 2
c) 3
d) 4

View Answer

7. At how many places in Kreb’s cycle \[FADH_{2}\]  is formed?
a) 1
b) 2
c) 3
d) 4

View Answer

8. ETS is present in
a) Stroma
b) Matrix of mitochondria
c) Inner membrane of mitochondria
d) Outer membrane of mitochondria

View Answer

9.Match the column:
Column I         Column II
A. NADH dehydrogenase     –     1. Complex IV
B. Cytochrome bc₁     –     2. Complex III
C. Cytochrome aa₃     –     3. Complex I
D. ATP synthase     –     4. Complex V
a) A–1, B–2, C–3, D–4
b) A–3, B–2, C–1, D–4
c) A–4, B–1, C–3, D–2
d) A–1, B–4, C–2, D–3

View Answer

10. Ubiquinone transfer its electron to
a) Complex II
b) Complex I
c) Cytochrome c
d) Matrix

View Answer