Distinguish between active and passive drugs of abuse and name two classes with their effects.
Human Health and Disease
Original Khojo Papers practice question — not from a past board paper.
A benign tumour stays confined to its site of origin, does not invade the surrounding tissue and causes little damage. A malignant tumour grows rapidly, invades and destroys the surrounding tissue and sheds cells that travel through the blood to start secondary tumours elsewhere, a process called metastasis.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Metastasis is what makes cancer so difficult to treat.
From the same topic and chapter, at a similar level.
Distinguish between active and passive drugs of abuse and name two classes with their effects.
Human Health and Disease
Name the two kinds of lymphocyte and state the role of each in the immune response.
Human Health and Disease
Distinguish between innate and acquired immunity, and between active and passive immunity.
Human Health and Disease
Name the causative agent, the mode of transmission and one symptom of malaria, typhoid and AIDS.
Human Health and Disease
Describe the structure and functions of the placenta.
Human Reproduction
Define apomixis and parthenocarpy, and state the practical use of each.
Sexual Reproduction in Flowering Plants