Which of the following is a correct statement?

B-cells directly engulf the pathogenic bacteria

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B-cells produce antibodies soon after they are produced

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B-cells produce a large clone of plasma soon after it is formed

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B-cells produce the plasma cells in the body only after they are triggered by a specific antigen

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Solution

The correct option is D
B-cells produce the plasma cells in the body only after they are triggered by a specific antigen

B cells, also known as B lymphocytes, are a type of white blood cells of the lymphocyte subtype. They function in the humoral immunity component of the adaptive immune system by secreting antibodies. B-cells produce the plasma cells in the body only after they are triggered by a specific antigen. The plasma cells produce antibodies.

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Similar questions

Q. Following are the statements about B-lymphocytes. Identify which statements given below are correct?

I. They are a type of red blood cell.
II. Many B cells proliferate into cells called plasma cells that produce antibodies (proteins) necessary to fight off infections while other B cells mature into memory B cells.
III. B cells mature in the bone marrow.

Q. Fill in the blanks by selecting suitable terms given below : [4 MARKS]
(Carbohydrates, proteins, lymphocytes, erythrocytes, specific, antigen, white, blood, cells)
(i) Antibodies are .................
(ii) Antibodies are produced on exposure to ..................
(iii) Antibodies are produced by .......................
(iv) Antibodies act against a particular antigen. Thus, they are ...............

Q3. Look at the following statements about B Cells

1. They are a type of red blood cell of the lymphocyte subtype

2. Many B cells mature into what are called plasma cells that produce antibodies (proteins) necessary to fight off infections while other B cells mature into memory B cells.

3. B cells mature in the bone marrow, which is at the core of most bones

Which of the above statements are correct?

Q. Assertion :Monoclonal antibodies are produced in response to a specific antigen. Reason: Mouse spleen cells are immunised with the desired antigen before fusion.

Q. Correct the statements if they are wrong.

(a) Alpha cells produce insulin and beta cells produce glucagon.
(b) Ovary produces eggs and Androgen.

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