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Humoral Immunity

Fill in the b...

Question

Fill in the blanks:
(i) Antibodies are _______ .
(ii) Antibodies are produced on exposure to _ .
(iii) _ is an antibiotic, used to treat diseases like pneumonia and _______ .

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Solution

(i) Antibodies are proteins.
(ii) Antibodies are produced on exposure to antigens.
(iii) Penicillin is an antibiotic, used to treat diseases like pneumonia and typhoid.

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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 ...............

Q. Antibodies are produced by a type of specialized lymphocytes on exposure to antigens.

Immunity produced by antibodies on exposure to antigens is for short period.

Q. Select the correct option to fill up the blanks.
(i) _______ are used in detergent formulations and are helpful in removing oily stains from the laundry.
(ii) _______ are ripened by growing Penicillium roqueforti on them.
(iii) ______ are produced without distillation whereas, are produced by distillation of the fermented broth.
(iv) ______ antibiotic was used to treat American soldiers wounded in world war II.
(v) _______ is also called as kusht rog.

Read the passage and answer the following question.

The graph illustrates the data from an experiment in which antibody levels for two different antigens, A and B were measured following exposure to these antigens. Antibodies play a crucial role in the human body's defense against disease.

Antibodies are produced by

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