1) 1. A plant or animal which live upon another living organism is called a ___. a) host b) flagella c) cells d) parasite 2) The capsule outside the cell wall of some bacteria ____. a) protects cells b) helps them swim c) gives them energy d) gives additional protection to their cell walls 3) Some bacteria ___. a) are organic b) have no cells c) cause diseases d) are called hosts 4) Bacteria use their flagella for ___. a) digesting food b) additional protection c) swimming d) attacking other bacteria 5) Any organism living upon dead or decaying organic matter is called _____. a) saprophytes b) cocci c) parasites d) hosts 6) What is infection? a) The process of killing bacteria in the body b) The invasion and multiplication of microorganisms in the body c) The body’s immune response to a vaccine d) The use of antibiotics to treat diseases 7) Which of the following is a primary infection? a) Tuberculosis in a patient with HIV b) Influenza in a healthy person c) Pneumonia caused by Candida in an HIV patient d) Skin infection after taking antibiotics 8) Which is an example of indirect transmission? a) Sneezing on someone b) A mother passing disease to her baby c) Sharing contaminated water d) Sexual contact 9) Who discovered the first antibiotic, penicillin? a) Louis Pasteur b) Robert Koch c) Alexander Fleming d) Edward Jenner 10) Which statement about antibiotics is correct? a) They can kill viruses such as influenza b) They are only used for animals c) They kill or stop bacteria from growing d) They are used only for vaccination 11) Which is a broad-spectrum antibiotic? a) Amoxicillin b) Vancomycin c) Tetracycline d) Penicillin G 12) What is antibiotic resistance? a) When bacteria die after antibiotic use b) When bacteria adapt and antibiotics no longer work c) When viruses become stronger than bacteria d) When the immune system kills all bacteria 13) Which of the following causes antibiotic resistance? a) Using antibiotics for viral infections like flu b) Always finishing the prescribed antibiotics c) Only using antibiotics under doctor’s advice d) Washing hands regularly 14) What is a consequence of antibiotic resistance? a) Infections become easier to cure b) Hospital stays are shorter c) Medical costs increase d) Surgeries become safer 15) Why is antibiotic resistance a global threat? a) Because bacteria are becoming weaker b) Because antibiotics are too expensive c) Because even simple infections may become deadly again d) Because vaccines no longer work

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