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Two marks questions, , , , Differentiate between active immunity and passive immunity., , , , Active immunity, , Passive immunity., , , , When a host is exposed to antigens,, antibodies are produced in the host, body. This type of immunity is called, active immunity., , When ready-made antibodies are, directly given to protect, , the body against foreign agents, it is, called passive immunity., , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , (M-14) 152, Active immunity is slow Passive immunity is fast, Active immunity takes more time to Passive immunity takes less time to, [give its full effective response. give its full effective response., Draw a neat labeled diagram of an antibody., Antigen binding site Antigen binding site, (J-14), Light (M-16) 151, chain (J-18), Heavy chain., chain, Cc Cc, Distinguish between Benign tumor and malignant tumor., Benign tumor Malignant tumor, Benign tumors normally Malignant tumors normally, remain confined to their original remain confined to their original, location location (M-15) 157, Benign tumors do not spread to Malignant tumors spread to other (J-19), other parts of the body parts of the body, Benign tumors cause little damage. | Malignant tumors cause much, damage., List any two methods of HIV transmission., e Sexual contact with infected person. (-17) 154, , e Transfusion of contaminated blood and blood products., e Sharing of infected needles by drug abusers., ¢ From infected mother to her child through placenta., , , , , , , , Page 43