Same chapter3 marksDifficulty: Medium
Distinguish between benign and malignant tumours.
Human Health and Disease
3 marksDifficulty: Medium
Name the two kinds of lymphocyte and state the role of each in the immune response.
Original Khojo Papers practice question — not from a past board paper.
Answer
B lymphocytes produce antibodies that circulate in the blood and give humoral immunity. T lymphocytes do not themselves make antibodies; they help the B cells respond and they attack infected and foreign cells directly, giving cell-mediated immunity.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Cell-mediated immunity is what causes the rejection of a transplanted organ.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Distinguish between active and passive drugs of abuse and name two classes with their effects.
Human Health and Disease
Same chapter3 marksDifficulty: Medium
Distinguish between innate and acquired immunity, and between active and passive immunity.
Human Health and Disease
Same chapter3 marksDifficulty: Medium
Name the causative agent, the mode of transmission and one symptom of malaria, typhoid and AIDS.
Human Health and Disease
Same subject3 marksDifficulty: Medium
Describe the structure and functions of the placenta.
Human Reproduction
Same subject3 marksDifficulty: Medium
Define apomixis and parthenocarpy, and state the practical use of each.
Sexual Reproduction in Flowering Plants