1. Which blood group is known as the 'Universal Donor' ?   O   A   B   AB   Hint Half-n-half Clue   2. Which blood group is known as the 'Universal Recipient' ?   AB   B   O   A   Half-n-half Clue   3. Name the illness caused by a virus.   Cholera   Typhoid   Chickenpox   Scarlet fever   Half-n-half Clue   4. What method is commonly used to preserve Salmon ?   Immunization   Chlorination   Pasteurization   Canning   Half-n-half Clue   5. Name the disease cause due to fungus.   Bacteria   Pneumocystosis   Virus   Fungi   Half-n-half Clue   6. Name the illness caused by a virus.   Typhus   Measles   Tetanus   Meningitis   Half-n-half Clue   7. Name the illness caused by a worm.   Blackwater fever   Filaria   Sleeping sickness   Malaria   Half-n-half Clue