Latest questions in this category.
Tar in cigarette smoke contains carcinogens that increase the risk of lung cancer.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Phagocytosis is the process by which immune cells, such as neutrophils and macrophages, engulf and destroy pathogens.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
T-cytotoxic cells (CD8+ T-cells) play a central role in cell-mediated immunity by destroying virus-infected and cancerous cells.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Cancer cells lose the property of contact inhibition, allowing them to grow uncontrollably and invade surrounding tissues.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Type I hypersensitivity reactions, mediated by IgE, lead to anaphylaxis, which is a severe allergic reaction.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Morphine is a narcotic analgesic that is used to relieve severe pain, especially in post-surgical patients.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Memory B-cells provide long-term immunity by recognizing and responding to previously encountered pathogens.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Leukemia is a type of blood cancer characterized by uncontrolled proliferation of abnormal lymphocytes.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Malignant tumors exhibit metastasis, meaning they spread to distant organs through the blood or lymph.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Leukemia is a type of blood cancer in which abnormal white blood cells multiply uncontrollably.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
IgA is primarily found in mucosal secretions and is not the most abundant antibody in the bloodstream; IgG is the most abundant in blood.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
Thymosin, secreted by the thymus, promotes the development and differentiation of T-lymphocytes.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Cancer - Causes Types Treatment Metastasis
