Bioinorganic Chemistry
Study of metal-containing biomolecules including metalloproteins, metalloenzymes, trace elements, and medicinal applications of metal compounds in biological systems
Questions
Which of the following is a copper transport protein?
- Hemoglobin
- Myoglobin
- Hemocyanin
- Ceruloplasmin
- Plastocyanin
Which of the following is a metal containing vitamin?
- Vitamin A
- Vitamin B5
- Vitamin B12
- Vitamin D
- Vitamin K
Which of the following is a selenium containing enzyme?
- Glutathione peroxidase
- Carbonic anhydrase
- Urease
- Dopamine beta-hydroxylase
- Tyrosinase
Iron is an extremely important transition metal in biology. It helps to perform many different biological functions such as
- transport of O2 to tissues
- release of O2 to muscle cells
- cofactor to some enzymes
- Only 1
- Only 2
- Only 3
- Only 1 and 2
- 1, 2 and 3
Which of the following statements is/are correct about hemoglobin?
- Each hemoglobin molecule can combine with two O2 molecules.
- Each hemoglobin molecule contains two globin units with two heme units.
- Deoxy- and oxyhemoglobin have different colours.
- Only 1
- Only 2
- Only 3
- Only 1 and 2
- Only 2 and 3
Which of the following drugs is used for cancer treatment?
- Amoxicillin
- Cefuroxime
- Budotitane
- Atenolol
- Bismuth subsalicylate
Which of the following is used as anti-copper agent in Wilson’s disease?
- Tetrathiomolybdate
- Selenium sulphide
- Silver sulfadiazine
- Technetium
- Barium sulphate
Which of the following is/are example(s) of copper containing enzyme(s)?
P. Carbonic anhydrases
Q. Urease|
R. Catechol dioxygenase
S. Galactose oxidase
- Only P
- Only Q and R
- Only R
- Only R and S
- Only S
Which of the following elements is present in budotitane?
- Ti
- Sn
- As
- Co
- Mo
Which of the following sets represent micronutrients only?
- Na, Ca, P, Cl, Fe
- Mn, Cu, Zn, Mo, Se
- Ca, Fe Mn, Zn, Mo
- P, Cl, Cu, Zn, Mo
- Mn, Ca, P, Zn, Fe
Which of the following matches of metalloenzyme and metal cofactors are incorrect?
P. Tyrosinase : Copper
Q. Urease : Copper
R. Dopamine β-hydroxylase : Nickel
S. Catechol dioxygenase : Iron
- Only P and Q
- Only P and S
- Only Q and R
- Only Q and S
- Only R and S
Match entries in Column I and Column II and select the correct answer.
| Column - I |
</strong>|<strong>Column - II</strong>|
|P. Arginase|1. Zn|
|Q. Phosphotransferase|2. Mn|
|R. Cytochrome Oxidase|3. Mg|
|S. Alcohol dehydrogenase|4. Cu|
- P - 1, Q - 2, R - 3, S - 4
- P - 1, Q - 3, R - 4, S - 2
- P - 2, Q - 4, R - 3, S - 1
- P - 2, Q - 3, R - 4, S - 1
- P - 3, Q - 1, R - 4, S - 2
Which of the following is a tungsten containing metalloenzyme?
- Formaldehyde ferredoxin oxidoreductase
- Carboxypeptidase A
- Carbon monoxide dehydrogenase
- Only 1
- Only 2
- Only 3
- Only 1 and 2
- Only 2 and 3
Which of the following are biological functions of Mg+2?
- Present in chlorophyll and helps in photosynthesis
- Activation of enzymes
- Information carrier
- Osmotic balance
- 1 and 2 only
- 1, 2 and 3 only
- 1, 2 and 4 only
- 2 and 4 only
- 2, 3 and 4 only
Pernicious anemia is one of the obvious symptoms of __________ deficiency.
- molybdenum
- calcium
- nickel
- cobalt
- magnesium
Match entries in Column I (elements) and Column II (used in the treatment of) and select the correct answer.
| Column - I |
</strong>|<strong>Column - II</strong>|
|P. Li|1. Gastritis|
|Q. Pt|2. Rheumatoid arthritis|
|R. Au|3. Bipolar disorder|
|S. Bi|4. Cancer|
- P - 4, Q - 2, R - 1, S - 3
- P - 3, Q - 4, R - 1, S - 2
- P - 2, Q - 3, R - 4, S - 1
- P - 1, Q - 4, R - 2, S - 3
- P - 1, Q - 3, R - 2, S - 4
Which of the following is/are copper containing proteins involved in electron transfer?
- Plastocyanin
- Ceruloplasmin
- Amicyanin
- Only 1
- Only 1 and 3
- Only 2
- Only 2 and 3
- 1, 2 and 3
Which of the following are examples of iron-sulphur proteins?
- Rubredoxin
- Methane monooxygenase
- Rieske proteins
- Aconitase
- 1 and 2 only
- 1, 2 and 3 only
- 1, 3 and 4 only
- 2 and 3 only
- 2, 3 and 4 only
Match entries in Column I (elements) and Column II (their medical uses) and select the correct answer.
| Column - I |
</strong>|<strong>Column - II</strong>|
|P. Selenium|1. Anti-dandruff|
|Q. Magnesium|2. Antacid|
|R. Antimony|3. Antileishmaniasis|
|S. Tin|4. Anti-caries|
- P - 1, Q - 2, R - 3, S - 4
- P - 1, Q - 3, R - 2, S - 4
- P - 2, Q - 1, R - 4, S - 3
- P - 2, Q - 3, R - 1, S - 4
- P - 4, Q - 3, R - 2, S - 1