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Byju's Answer
Standard XII
Biology
Humoral Immunity
Passive immun...
Question

Passive immunity can be obtained by injecting:


A

Vaccination

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B

Antibodies

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C

Antibiotics

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D

Antigens

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Solution

The correct option is B

Antibodies


With injection of antibodies directly to protect the body against foreign agents, passive immunity is attained.


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Q. Differentiate between the following:
(i) Antigen and Antibody
(ii) Antiseptic and Antibiotics
(iii) Serum and Plasma
(iv) Toxins and Antitoxins
(v) Vaccination and Sterilization
(vi) Disinfectant and Antiseptic
(vii) Active immunity and Passive immunity
(viii) Acquired disease and Congenital disease
Q. Select the option that correctly identifies the given statements as true or false.
I. Vaccines injected into our body help develop our immunity.
II. The immunity provided by vaccines is acquired in nature.
III. Vaccination is a type of passive immunity.

Q. Passive immunity is provided by vaccines.
Q.
A)Naturally acquired ACTIVE IMMUNITY
 i)Jasmine was vaccinated for Polio to protect her against the disease.
B)Artificially acquired
ACTIVE IMMUNITY		ii) Rohit was bitten by a viper and was given an injection of anti-venom.
C)Naturally acquired
PASSIVE IMMUNITY		iii) Imran suffered from Chicken pow in childhood and is now possibly immune to another chickenpox attack.
D)Artificially acquired
PASSIVE IMMUNITY		iv) Ria was advised by doctors to breastfeed her newborn in order to improve the infant's immunity.
Immunity can be gained actively or passively. When the antibodies to antigens are produced by our own bodies, we call it active immunity. We acquire passive immunity by receiving antibodies that were not made by our own bodies. Which of the following options is the correct match for the type of immunity with the appropriate example?
Q. Passive immunity is provided by readymade antibodies.
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