Latest questions in this category.
AIDS is caused by the human immunodeficiency virus (HIV), which is a retrovirus, not a bacterium.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
Autoimmune diseases occur when the immune system mistakenly attacks the bodyâs own cells.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
IgG is the most abundant immunoglobulin in blood plasma and provides long-term immunity.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
Helper T-cells (CD4+ cells) assist in activating B-lymphocytes to produce antibodies.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
IgM is the first antibody produced during the primary immune response to infection.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
Autoimmune diseases are not caused by external pathogens; they occur when the immune system mistakenly attacks the body's own cells.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
HIV/AIDS leads to a progressive loss of immunity, making the infected person more susceptible to opportunistic infections.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
AIDS is caused by the human immunodeficiency virus (HIV), which weakens the immune system over time.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
IgA is primarily found in mucosal secretions, providing protection in the respiratory and gastrointestinal tracts.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
Autoimmune diseases arise when the immune system mistakenly attacks the body's own cells and tissues.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
IgE antibodies trigger allergic reactions by binding to mast cells and causing histamine release.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
AIDS is caused by the Human Immunodeficiency Virus (HIV), which attacks the immune system.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune Disorders - Allergies Autoimmunity and AIDS
