12 public questions tagged with this topic.
Passive immunity does not involve memory ll formation; it provides temporary protection using ready-made antibodies. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Human Health and Disease, Topic: Immunity, diseases and health maintenance.
Passive immunity occurs when pre-formed antibodies are directly introduced into the body, such as in tetanus antitoxin administration. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.
Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.
IgA is the predominant antibody in colostrum and provides passive immunity to newborns.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
Passive immunity occurs when ready-made antibodies are received, such as those in motherâs milk (IgA).
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Passive immunity is acquired through the transfer of ready-made antibodies, such as maternal antibodies or antibody injections.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Passive immunity occurs when ready-made antibodies, such as antitoxins, are introduced into the body.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Passive immunity is acquired when ready-made antibodies are transferred from another source, such as maternal antibodies or antibody injections.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Vaccines stimulate the immune system to develop active acquired immunity by producing memory cells.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Passive immunity occurs when pre-formed antibodies are directly introduced into the body, such as in tetanus antitoxin administration.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Colostrum contains maternal antibodies (IgA) that provide passive immunity to the newborn.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Passive immunity does not involve memory cell formation; it provides temporary protection using ready-made antibodies.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
Passive immunity provides short-term protection as it involves the transfer of ready-made antibodies rather than immune system activation.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immunity - Acquired Immunity - Active Passive Vaccination
