1) One physical barrier against disease is skin, name another one a) cilia n trachea b) acid in stomach c) antibodies 2) Salmonella bacteria can get into the body ..... a) via breathing in b) drinking contaminated water c) eating contaminated food d) being bitten by a mosquito 3) Antibiotics work against a) bacteria b) viruses c) neither of the above 4) Other than antibiotics what else can prevent bacteria growth? a) antiseptics b) paracetamol c) aspirin 5) Euglena belongs to which kingdom? a) animalia b) plantae c) prokaryote d) protoctista 6) What is the function of the nucleus? a) absorbs light for photosynthesis b) controls the cell's activities c) carries oxygen 7) What is the function of 'chloroplasts'? a) carries DNA b) absorbs light for photosynthesis c) is the outer sructure of the cell. 8) Euglena is difficult to classify because it contains chloroplasts so it could be classified as a ..... a) animal b) plant

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