Structure and Function of Biomolecules (GATE) Online Test

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Structure and Function of Biomolecules (GATE)

Description: GAte
Number of Questions: 15
Created by: Sara Dalvi
Tags: GAte Structure and Function of Biomolecules

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Which of the following is a tungsten-containing metalloenzyme?

Formaldehyde ferredoxin oxidoreductase
Carboxypeptidase A
Carbon monoxide dehydrogenase

Only 1
Only 2
Only 3
1 and 2
2 and 3

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
1 and 2
1, 2 and 3

Which of the following statements is/are correct about haemoglobin?

Each haemoglobin molecule can combine with two oxygen molecules.
Each haemoglobin molecule contains two globin units with two heme units.
Deoxy- and oxyhaemoglobin have different colours.

Only 1
Only 2
Only 3
1 and 2
2 and 3

Pernicious anaemia is one of the obvious symptoms of ________ deficiency.

molybdenum
calcium
nickel
cobalt
magnesium

Which of the following is a selenium-containing enzyme?

Glutathione peroxidase
Carbonic anhydrase
Urease
Dopamine beta-hydroxylase
Tyrosinase

Which of the following is/are copper-containing enzyme(s)?

P. Carbonic anhydrase Q. Urease R. Catechol dioxygenase S. Galactose oxidase

Only P
Q and R
Only R
R and S
Only S

Match the entries:


Column I	Column II
P. Mitochondria	1. Site for protein synthesis
Q. Ribosomes	2. Powerhouse of cell
R. Chloroplast	3. Suicidal bags of cell
S. Lysosomes	4. Site for photosynthesis

P - 1, Q - 2, R - 3, S - 4
P - 2, Q - 3, R - 1, S - 4
P - 2, Q - 1, R - 4, S - 3
P - 3, Q - 2, R - 4, S - 1
P - 3, Q - 1, R - 4, S - 2

Which of the following are biological functions of Mg(II)?

Present in chlorophyll and helps in photosynthesis
Activation of enzymes
Information carrier
Osmotic balance

1 and 2
1, 2 and 3
1, 2 and 4
2 and 4
2, 3 and 4

Match the following:


Column I	Column II
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 drugs is used to cure cancer?

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

Match the entries:


Elements	Used in the treatment
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 - 2, S - 1
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 are copper-containing proteins involved in electron transfer?

Plastocyanins
Ceruloplasmins
Amicyanins

Only 1
1 and 3
Only 2
2 and 3
1, 2 and 3

Which of the following matchings is/are incorrect?

P. Tyrosinase : Copper Q. Urease : Copper R. Dopamine β-hydroxylase : Nickel S. Catechol dioxygenase : Iron

P and Q
P and S
Q and R
Q and S
R and S

Match the following:


Column I	Column II
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

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