Correct Answer : A
Explanation :
Explanation :
Antibody structure consists of 2 heavy and 2 light chains (H2L2).
Correct Answered :
Wrong Answered :
Assertion (A): An antibody is represented as H2L2.
Reason (R): An antibody has two heavy chains and two light chains.
Choose the correct options:
A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true but (R) is not the correct explanation of (A).
C
(A) is true but (R) is false
D
(A) is false but (R) is true
Antibody structure consists of 2 heavy and 2 light chains (H2L2).
Correct Answered :
Wrong Answered :
A
C3
B
C3b
C
C5a
D
C5b
C5a acts as a strong chemotactic factor attracting neutrophils.
Correct Answered :
Wrong Answered :
Column -A(Antibody Type) Column -B (Found in)
i. IgA 1. Blood and extracellular fluid
ii. IgG 2. Surface of immature B cells
iii. IgD 3. Basophils and mastocytes
iv. IgE 4. Mucosal secretions like saliva, tears, and breast milk
A
i-4, ii-1, iii-2, iv-3
B
i-3, ii-4, iii-1, iv-2
C
i-1, ii-4, iii-2, iv-3
D
i-2, ii-1, iii-4, iv-3
IgA -> Mucosal secretions, IgG > Blood, IgD > Immature B cells, IgE > Allergy & mast cells.
Correct Answered :
Wrong Answered :