Antibody is produced by
B-Lymphocyte
Heparin
T- Lymphocyte
Both (a) and (b)
A.
B-Lymphocyte
Antibodies are produced by B-lymphocyte.
Lymphocytes are critical for immune reactions and are of two types B-lymphocytes and T-lymphocytes. B-lymphocytes, upon contact with appropriate antigens, are transformed into plasma cells, which are responsible for the production of antibody. They produce, 20 trillion antibodies per day.
When plants/animals are infected with virus, they may produce an anti-viral substance that is capable of inhibiting the multiplication of that virus. Identify the correct name ofthis substance
Virion
Antivirion
Antigen
Interferon
Abnormal growth of the tumor in cancer is due to
abnormal mitotic division
accumulation of body fluid
abnormal meiotic division
metastasis
Match the tissues/molecules mentioned in column I with those of their degrading enzymes mentioned in column II and select the correct option from the given codes.
Column I Column II
A. Cell wall (i) Proteases
B. RNA (ii) Pectinases
C. Histone (iii) Ribonucleases
D. Pectin (iv) Cellulase
A-(iv), B-(iii), C-(i), D-(ii)
A-(ii), B-(i), C-(iv), D-(iii)
A-(i), B-(ii), C-(iii), D-(iv)
A-(iii), B-(iv), C-(ii), D-(i)
