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MINERAL METABOLISM- Part 3
See all quizzes of MINERAL METABOLISM- Part 3 here:
1. The enzyme involved in variegate porphyria
is
(A) Protoporphyrinogen oxidase
(B) Coproporphyrinogen oxidase
(C) Uroporphyrinogen decarboxylase
(D) ALA decarboxylase
2. Protoporphyria (erythrohepatic) is characterized
by the deficiency of
(A) ALA synthase
(B) ALA hydratase
(C) Protophyrinogen oxidae
(D) Ferrochelatase
3. The amount of coproporphyrins excreted
per day in feces is about
(A) 10–50 μgs (B) 100–150 μgs
(C) 200–250 μgs (D) 300–1000 μgs
4. The immunoglobulins are differentiated
and also named on the basis of
(A) Electrophoretic mobility
(B) Heat stability
(C) Molecular weight
(D) Sedimentaiton coefficient like 7 S, 19 S etc.
5. The immunoglobulins are classified on the
basis of
(A) Light chains
(B) Heavy chains
(C) Carbohydrate content
(D) Electrophoretic mobility
6. All immunoglobulins contain
(A) 4 L chains
(B) 4 H chains
(C) 3 L chains
(D) 2 L chains and 2 H chains
7. An immunoglobulin molecule always
contains
(A) 1 κ and 3 λ type of chains
(B) 2 κ and 2 λ type of chains
(C) 3 κ and 1λ type of chains
(D) 2 κ and 2 λ chains
8 . The number of types of H chains identified
in human is
(A) 2 (B) 3
(C) 4 (D) 5
9. The number of hypervariable region in L
chain is
(A) 1 (B) 2
(C) 3 (D) 4
10. The number of hypervariable region in H
chain is
(A) 1 (B) 2
(C) 3 (D) 4
11. Type γ H chain is present in
(A) Ig G (B) Ig A
(C) Ig M (D) Ig D
12. Type α H chain is present in
(A) Ig E (B) Ig A
(C) Ig M (D) Ig D
13. Type μ H chain is present in
(A) Ig G (B) Ig A
(C) Ig M (D) Ig D
14. Type δ H chain is present in
(A) Ig G (B) Ig A
(C) Ig M (D) Ig D
15. Type ε H chain is present in
(A) Ig A (B) Ig M
(C) Ig D (D) Ig E
6. A ‘J’ chain is present in
(A) Ig D (B) Ig M
(C) Ig G (D) Ig E
17. A secretory protein T chain (T protein) is
present in
(A) Ig A (B) Ig M
(C) Ig D (D) Ig E
18. A pentamer immunoglobulin is
(A) Ig G (B) Ig A
(C) Ig M (D) Ig E
19. The portion of the immunoglobulin
molecule that binds the specific antigen
is formed by
(A) Variable regions of H and L chains
(B) Constant region of H chain
(C) Constant region of L chain
(D) Hinge region
20. The class specific function of the different
immunoglobulin molecules is constituted
by
(A) Variable region of L chain
(B) Constant region of H chain
(C) Variable region of H chain
(D) Constant region particularly CH2 and CH3 of
H chain
21. Hinge region, the region of Ig molecule
which is flexible and more exposed to
enzymes is the
(A) Region between first and second constant
regions of H chain (domains CH1 and CH2)
(B) Region between second and third constant
regions of H chain (CH2 and CH3)
(C) Variable regions of H chain
(D) Variable regions of L chain
22. The smallest immunoglobulin is
(A) Ig G (B) Ig E
(C) Ig D (D) Ig A
23. The number of sub classes of Ig G is
(A) 2 (B) 3
(C) 4 (D) 8
24. Most abundant Ig G subclass in the serum
is
(A) Ig G1 (B) Ig G2
(C) Ig G3 (D) Ig G4
25. The immunoglobulin which can cross the
placenta is
(A) Ig A (B) Ig M
(C) Ig G (D) Ig D
26. The immunoglobulin possessing lowest
concentration of carbohydrate is
(A) Ig A (B) Ig E
(C) Ig M (D) Ig G
27. The normal serum level of Ig G is
(A) 1200 mg% (B) 500 mg%
(C) 300 mg% (D) 200 mg%
28. The half life of Ig G is
(A) 2–8 days (B) 1–4 days
(C) 19–24 days (D) 6 days
29. Most heat labile immunoglobulin is
(A) Ig G (B) Ig A
(C) Ig M (D) Ig D
30. The immunoglobulin possessing highest
concentration of carbohydrate is
(A) Ig G (B) Ig M
(C) Ig A (D) Ig D
