The post Electron Transport Chain and MCQs for NEET, NIPER JEE, GATE, GPAT, CSIR NET and DBT BET Exam appeared first on Gpatindia: Pharmacy Jobs, Admissions, Scholarships, Conference,Grants, Exam Alerts.
]]>The major components of ETC or respiratory chain are:
The components of respiratory chain are arranged in increasing order of the redox potential (from more negative redox potential to more positive redox potential. The electron carriers of ETC are associated in 4 enzyme complexes.
1. ETC is the common pathway for which type of cells?
A. Aerobic cell
B. Anerobic cell
C. Both
D. None
2. Why does electron transport chain takes place?
A. to transfer the electrons derived from substrate
B. to transfer the electrons derived from product
C. to transfer the reducing equivalents derived from substrate
D. both A and C
3. Which of the following are involved in electron transport chain? A. Enzymes
B. Co-enzymes
C. Electron carrier cytochrome
D. All of the above
4. What is the full form of NAD+?
A. Nucleotide adenine diamide
B. Nicotinamide adrenaline dinucleotide
C. Nicotinamide adenine dinucleotide
D. None of the above
5. Cytochrome b is a —-containing proteins?
A. Iron
B. Sulfur
C. Chromium
D. Magnesium
6. How are the components of respiratory chain arranged?
A. increasing order of molecular weight
B. increasing order of redox potential
C. decreasing order of molecular weight
D. decreasing order of redox potential
7. Which of the following is the complex-1?
A. Succinate-Q reductase
B. NADH-Q oxidoreductase
C. Q-cytochrome c oxidoreductase
D. Cytochrome c oxidase-O2
8. Match the following complex with its function-
a. compex-1 1. Transfer electron from Q to cytochrome c
b. complex-2 2. Transfer electron from NADH to Q
c. complex-3 3. Transfer electron from cytochrome c to oxygen
d. complex-4 4. Transfer electrons from FADH2 to Q
9. Which enzyme is present in complex-2?
A. Succinate synthetase
B. Succinase
C. Succinate dehydrogenase
D. Succinyl hydrogenase
10. How many iron-sulfur centers are present in the complex-1?
A. 4
B. 5
C. 6
D. 2
11. Which of the following complex is also known as cytochrome bc1 complex?
A. Complex-1
B. Complex-2
C. Complex-3
D. Complex-4
12. Which of the following statement is NOT true?
A. ETC is present in the inner mitochondrial membrane
B. in complex-3, electrons pass from Q to cytochrome c
C. cytochrome c1 is also called cytochrome oxidases
D. iron-sulfur proteins are associated with FMN
13. Which of the following complex contains succinate dehydrogenase?
A. complex-1
B. complex-4
C. complex-3
D. none of the above
14. What is the full form of FMN?
A. Flavin mini-nucleotide
B. Fluoro mono-nucleotide
C. Fluoro mini-nucleotide
D. Flavin mono-nucleotide
15. Which of the following complex is also known as cytochrome c oxidase?
A. Complex-1
B. Complex-2
C. Complex-3
D. Complex-4
ANSWERS:-
1. Aerobic cell
2. Both A and C
3. All of the above
4. Nicotinamide adenine dinucleotide
5. Iron
6. Increasing order of redox potential
7. NADH-Q oxidoreductase
8. a – 2 b – 4 c – 1 d – 3
9. Succinate dehydrogenase
10. 6
11. Complex-3
12. Cytochrome c1 is also called cytochrome oxidases
13. None of the above
14. Flavin mono-nucleotide
15. Complex-4
Participate in Online FREE GPAT TEST: CLICK HERE
Participate in Online FREE Pharmacist TEST: CLICK HERE
Participate in Online FREE Drug Inspector TEST: CLICK HERE
Participate in CSIR NET JRF Mock Test
REFERENCE:- Pankaja Naik- Biochemistry; 4th edition; page no:- 144-148
The post Electron Transport Chain and MCQs for NEET, NIPER JEE, GATE, GPAT, CSIR NET and DBT BET Exam appeared first on Gpatindia: Pharmacy Jobs, Admissions, Scholarships, Conference,Grants, Exam Alerts.
]]>