Ques:Answer the following question given this paragraph: Bacteria that stain red are called gram-negative bacteria. They have a thin cell wall with an outer membrane. Q: What type of bacteria stains red? Choices: - gram - such bacteria - kilogram-negative bacteria - calcium - negative bacteria - gram-negative bacteria A:

Ans:gram-negative bacteria
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Ques:Answer the following question given this paragraph: There are two basic types of pollutants in air. They are known as primary pollutants and secondary pollutants. Q: What are two basic types of pollutants in the air? Choices: - smog and coal - organic and inorganic - pesticides and smog - primary and secondary pollutants A:

Ans:primary and secondary pollutants
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Ques:Answer the following question given this paragraph: Some bacteria also have tail-like structures called flagella ( Figure below ). Flagella help bacteria move. As the flagella rotate, they spin the bacteria and propel them forward. It is often said the flagella looks like a tiny whip, propelling the bacteria forward. Though some eukaryotic cells do have a flagella, a flagella in eukaryotes is rare. Q: What type of cells are flagella rare in? Choices: - intracellular - cancer. - synthetic - eukaryotic A:

Ans:eukaryotic
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Ques:Answer the following question given this paragraph: Sometimes deep ocean water rises to the surface. This is called upwelling . The figure below shows why it happens ( Figure below ). Strong winds blow surface water away from shore. This allows deeper water to flow to the surface and take its place. Q: What phenomenon occurs when strong winds blow surface water away from shore, allowing deeper water to flow to the surface and take its place? Choices: - percolating - hurricane - tsunami - upwelling A:

Ans:
upwelling
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