[MCQ]MINERAL METABOLISM- Part 1

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MINERAL METABOLISM- Part 1

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Congratulations - you have completed MINERAL METABOLISM- Part 1. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%

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Question 1

When ATP forms AMP

A	Inorganic pyrophosphate is produced
B	Inorganic phosphorous is produced
C	Phsophagen is produced
D	No energy is produced

Question 2

Standard free energy (ΔG°) of hydrolysis of ATP to ADP + Pi is

A	–49.3 KJ/mol
B	–4.93 KJ/mol
C	–30.5 KJ/mol
D	–20.9 KJ/mol

Question 3

Standard free energy (ΔG°) of hydrolysis of ADP to AMP + Pi is

A	–43.3 KJ/mol
B	–30.5 KJ/mol
C	–27.6 KJ/mol
D	–15.9 KJ/mol

Question 4

Standard free energy (ΔG°) of hydrolysis of phosphoenolpyruvate is

A	–61.9 KJ/mol
B	–43.1 KJ/mol
C	–14.2 KJ/mol
D	–9.2 KJ/mol

Question 5

Standard free energy (ΔG°) of hydrolysis of creatine phosphate is

A	-–51.4 KJ/mol
B	–43.1 KJ/mol
C	–30.5 KJ/mol
D	–15.9 KJ/mol

Question 6

The oxidation-reduction system having the highest redox potential is

A	Ubiquinone ox/red
B	Fe3+ cytochrome a/Fe2+
C	Fe3+ cytochrome b/Fe2+
D	NAD+/NADH

Question 7

If ΔG°= –2.3RT log Keq, the free energy for the reaction will be A + B C 10moles 10moles 10moles

A	–4.6 RT
B	–2.3 RT
C	+2.3 RT
D	+4.6 RT

Question 8

Redox potential (EO volts) of NAD+/NADH is

A	–0.67
B	–0.32
C	–0.12
D	+0.03

Question 9

Redox potential (EO volts) of ubiquinone, ox/red system is

A	+0.03
B	+0.08
C	+0.10
D	+0.29

Question 10

Redox potential (EO volts) of cytochrome C, Fe3+/Fe2+ is

A	–0.29
B	–0.27
C	–0.08
D	+0.22

Question 11

The prosthetic group of aerobic dehydrogenases is

A	NAD
B	NADP
C	FAD
D	Pantothenic acid

Question 12

Alcohol dehydrogenase from liver contains

A	Sodium
B	Copper
C	Zinc
D	Magnesium

Question 13

A molybdenum containing oxidase is

A	Cytochrome oxidase
B	Xanthine oxidase
C	Glucose oxidase
D	L-Amino acid oxidase

Question 14

A copper containing oxidase is

A	Cytochrome oxidase
B	Flavin mononucleotide
C	Flavin adenine dinucleotide
D	Xanthine oxidase

Question 15

The mitochondrial superoxide dismutase contains

A	Mg++
B	Mn++
C	Co++
D	Zn++

Question 16

Cytosolic superoxide dismutase contains

A	Cu2+ and Zn2+
B	Mn2+
C	Mn2+ and Zn2+
D	Cu2+ and Fe2+

Question 17

Cytochrome oxidase contains

A	Cu2+ and Zn2+
B	Cu2+ and Fe2+
C	Cu2+ and Mn2+
D	Cu2+

Question 18

Characteristic absorption bands exhibited by ferrocytochrome:

A	α band
B	β band
C	α and β bands
D	α, β and γ bands

Question 19

Monooxygenases are found in

A	Cytosol
B	Nucleus
C	Mitochondira
D	Microsomes

Question 20

A component of the respiratory chain in mitochondria is

A	Coenzyme Q
B	Coenzyme A
C	Acetyl coenzyme
D	Coenzyme containing thiamin

Question 21

The redox carriers are grouped into respiratory chain complex

A	In the inner mitochondrial membrane
B	In mitochondiral matrix
C	On the outer mitochondrial membrane
D	On the inner surface of outer mitochondrial membrane

Question 22

The sequence of the redox carrier in respiratory chain is

A	NAD—FMN—Q—cyt b—cyt c1—cyt c—cyt aa3 → O2
B	FMN—Q—NAD—cyt b—cyt aa3—cyt c1— cyt c → O2
C	NAD—FMN—Q—cyt c1—cyt c—cyt b—cyt aa3 → O2
D	NAD—FMN—Q—cyt b—cyt aa3—cyt c—cyt c1 → O2

Question 23

The correct sequence of cytochrome carriers in respiratory chain is

A	Cyt b—cyt c—cyt c1—cyt aa3
B	Cyt aa3— cyt b—cyt c—cyt c1
C	Cyt b—cyt c1—cyt c—cyt aa3
D	Cyt b—cyt aa3—cyt c1— cyt c

Question 24

Reducing equivalents from pyruvate enter the mitochondrial respiratory chain at

A	FMN
B	NAD
C	Coenzyme Q
D	Cyt b

Question 25

Reducing equivalents from succinate enter the mitochondrial respiratory chain at

A	NAD
B	Coenzyme Q
C	FAD
D	Cyt c

Question 26

The respiratory chain complexes acting as proton pump are

A	I, II and III
B	I, II and IV
C	I, III and IV
D	I and II

Question 27

If the reducing equivalents enter from FAD in the respiratory chain, the phosphate. oxygen ration (P:O) is

A	2
B	1
C	3
D	4

Question 28

If the reducing equivalents enter from NAD in the respiratory chain, the phsphate/oxygen (P:O) is

A	1
B	2
C	3
D	4

Question 29

One of the site of phsosphorylation in mitochondrial respiratory chain is

A	Between FMN and coenzyme Q
B	Between coenzyme Q and cyt b
C	Between cytochrome b and cytochrome c1
D	Between cytochrome c1 and cytochrome c

Question 30

Rotenone inhibits the respiratory chain at

A	FMN → coenzyme Q
B	NAD → FMN
C	Coenzyme Q → cyt b
D	Cyt b → Cyt c1

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See all quizzes of MINERAL METABOLISM- Part 1 here:

1. When ATP forms AMP
(A) Inorganic pyrophosphate is produced
(B) Inorganic phosphorous is produced
(C) Phsophagen is produced
(D) No energy is produced
2. Standard free energy (ΔG°) of hydrolysis
of ATP to ADP + Pi is
(A) –49.3 KJ/mol (B) –4.93 KJ/mol
(C) –30.5 KJ/mol (D) –20.9 KJ/mol
3. Standard free energy (ΔG°) of hydrolysis
of ADP to AMP + Pi is
(A) –43.3 KJ/mol (B) –30.5 KJ/mol
(C) –27.6 KJ/mol (D) –15.9 KJ/mol
4. Standard free energy (ΔG°) of hydrolysis
of phosphoenolpyruvate is
(A) –61.9 KJ/mol (B) –43.1 KJ/mol
(C) –14.2 KJ/mol (D) –9.2 KJ/mol
5. Standard free energy (ΔG°) of hydrolysis
of creatine phosphate is
(A) -–51.4 KJ/mol (B) –43.1 KJ/mol
(C) –30.5 KJ/mol (D) –15.9 KJ/mol
6. The oxidation-reduction system having
the highest redox potential is
(A) Ubiquinone ox/red
(B) Fe3+ cytochrome a/Fe2+
(C) Fe3+ cytochrome b/Fe2+
(D) NAD+/NADH

7. If ΔG°= –2.3RT log Keq, the free energy
for the reaction will be
A + B C
10moles 10moles 10moles
(A) –4.6 RT (B) –2.3 RT
(C) +2.3 RT (D) +4.6 RT
8. Redox potential (EO volts) of NAD+/NADH
is
(A) –0.67 (B) –0.32
(C) –0.12 (D) +0.03
9. Redox potential (EO volts) of ubiquinone,
ox/red system is
(A) +0.03 (B) +0.08
(C) +0.10 (D) +0.29
10. Redox potential (EO volts) of cytochrome
C, Fe3+/Fe2+ is
(A) –0.29 (B) –0.27
(C) –0.08 (D) +0.22
11. The prosthetic group of aerobic dehydrogenases
is
(A) NAD (B) NADP
(C) FAD (D) Pantothenic acid
12. Alcohol dehydrogenase from liver contains
(A) Sodium (B) Copper
(C) Zinc (D) Magnesium

13. A molybdenum containing oxidase is
(A) Cytochrome oxidase
(B) Xanthine oxidase
(C) Glucose oxidase
(D) L-Amino acid oxidase
14. A copper containing oxidase is
(A) Cytochrome oxidase
(B) Flavin mononucleotide
(C) Flavin adenine dinucleotide
(D) Xanthine oxidase
15. The mitochondrial superoxide dismutase
contains
(A) Mg++ (B) Mn++
(C) Co++ (D) Zn++
16. Cytosolic superoxide dismutase contains
(A) Cu2+ and Zn2+ (B) Mn2+
(C) Mn2+ and Zn2+ (D) Cu2+ and Fe2+
17. Cytochrome oxidase contains
(A) Cu2+ and Zn2+ (B) Cu2+ and Fe2+
(C) Cu2+ and Mn2+ (D) Cu2+
18. Characteristic absorption bands exhibited
by ferrocytochrome:
(A) α band (B) β band
(C) α and β bands (D) α, β and γ bands
19. Monooxygenases are found in
(A) Cytosol (B) Nucleus
(C) Mitochondira (D) Microsomes
20. A component of the respiratory chain in
mitochondria is
(A) Coenzyme Q
(B) Coenzyme A
(C) Acetyl coenzyme
(D) Coenzyme containing thiamin
21. The redox carriers are grouped into
respiratory chain complex
(A) In the inner mitochondrial membrane
(B) In mitochondiral matrix
(C) On the outer mitochondrial membrane
(D) On the inner surface of outer mitochondrial
membrane
22. The sequence of the redox carrier in
respiratory chain is
(A) NAD—FMN—Q—cyt b—cyt c1—cyt c—cyt
aa3 → O2
(B) FMN—Q—NAD—cyt b—cyt aa3—cyt c1—
cyt c → O2
(C) NAD—FMN—Q—cyt c1—cyt c—cyt b—cyt
aa3 → O2
(D) NAD—FMN—Q—cyt b—cyt aa3—cyt c—cyt
c1 → O2
23. The correct sequence of cytochrome
carriers in respiratory chain is
(A) Cyt b—cyt c—cyt c1—cyt aa3
(B) Cyt aa3— cyt b—cyt c—cyt c1
(C) Cyt b—cyt c1—cyt c—cyt aa3
(D) Cyt b—cyt aa3—cyt c1— cyt c
24. Reducing equivalents from pyruvate enter
the mitochondrial respiratory chain at
(A) FMN (B) NAD
(C) Coenzyme Q (D) Cyt b
25. Reducing equivalents from succinate enter
the mitochondrial respiratory chain at
(A) NAD (B) Coenzyme Q
(C) FAD (D) Cyt c
26. The respiratory chain complexes acting as
proton pump are
(A) I, II and III (B) I, II and IV
(C) I, III and IV (D) I and II
27. If the reducing equivalents enter from FAD
in the respiratory chain, the phosphate.
oxygen ration (P:O) is
(A) 2 (B) 1
(C) 3 (D) 4
28. If the reducing equivalents enter from
NAD in the respiratory chain, the
phsphate/oxygen (P:O) is
(A) 1 (B) 2
(C) 3 (D) 4

29. One of the site of phsosphorylation in
mitochondrial respiratory chain is
(A) Between FMN and coenzyme Q
(B) Between coenzyme Q and cyt b
(C) Between cytochrome b and cytochrome c1
(D) Between cytochrome c1 and cytochrome c
30. Rotenone inhibits the respiratory chain at
(A) FMN → coenzyme Q
(B) NAD → FMN
(C) Coenzyme Q → cyt b
(D) Cyt b → Cyt c

MINERAL METABOLISM

[MCQ]MINERAL METABOLISM- Part 1

I. Start the exam by click the “Start” button

MINERAL METABOLISM- Part 1

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