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Bacteria

Quiz by Les Barley

Grade 8
Science
North Carolina Standard Course of Study

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23 questions
Show answers
  • Q1
    What is crucial for maintaining human good health in relation to the hydrosphere?
    Monitoring of the hydrosphere, water quality standards, methods of water treatment, maintaining safe water quality and stewardship
    Having methods of water treatment only
    Just maintaining safe water quality
    Just having water quality standards
    Only monitoring of the hydrosphere
    30s
    8.E1.4
  • Q2
    Why is the adherence to water quality standards important for human health?
    It ensures the water is safe to consume and use
    It changes the color of water
    It enhances the taste of water
    It increases the amount of water
    30s
    8.E1.4
  • Q3
    Which practice is essential in staying healthy regarding the use of our water bodies?
    Tourism
    Transportation
    Sports activities
    Stewardship
    30s
    8.E1.4
  • Q4
    Why are methods of water treatment essential for human health?
    They make water tastier
    They remove harmful substances from water
    They increase the water quantity
    They change the color of water
    30s
    8.E1.4
  • Q5
    What does monitoring the hydrosphere entail and why is it important for human health?
    It's about measuring the size of various water bodies
    It relates to counting the number of lakes and rivers in an area
    It involves observing and tracking changes in the water bodies and is crucial for detecting any potential threats to human health
    It involves watching water bodies for recreational purposes
    30s
    8.E1.4
  • Q6
    How does maintaining safe water quality contribute to human good health?
    It makes water taste better
    It changes the color of water
    It prevents waterborne diseases
    It helps in preserving aquatic life
    30s
    8.E1.4
  • Q7
    Why is stewardship important for the health of humans and the hydrosphere?
    It increases the economic value of water bodies
    It promotes water sports
    It encourages recreational activities in water bodies
    It promotes sustainable use and protection of water resources
    30s
    8.E1.4
  • Q8
    What is the connection between good health and proper water management?
    The connection is that they both depend on the weather
    There's no connection between health and water management
    Good health depends on the availability of clean, safe water
    Good health depends on the temperature of the water
    30s
    8.E1.4
  • Q9
    What elements are key for human good health regarding the hydrosphere?
    Swimming, fishing, sailing, and diving
    Monitoring the hydrosphere, water quality standards, water treatment methods, maintaining safe water quality, and stewardship
    Water sports, fishing regulations, boating safety, and lifeguard training
    Rainfall patterns, oceanic currents, water temperatures, and marine biology
    30s
    8.E1.4
  • Q10
    What role does stewardship play in maintaining good human health and a healthy hydrosphere?
    Stewardship only plays a role in aquatic ecosystem health, but not human health
    Stewardship is just a term used in marine biology without any connection to human health or the hydrosphere
    Stewardship promotes the responsible use and protection of water resources, contributing to clean water supply and good health
    Stewardship is only about protecting wildlife that depends on water bodies
    30s
    8.E1.4
  • Q11
    Based on the physical and biological factors, which result indicates a potentially safe and potable water supply in North Carolina?
    Cool temperature, low dissolved oxygen, pH around 10, high nitrates and phosphates, high turbidity
    Cool temperature, high dissolved oxygen, pH around 7, low nitrates and phosphates, low turbidity
    High temperature, high dissolved oxygen, pH around 7, low nitrates and phosphates, low turbidity
    High temperature, low dissolved oxygen, pH around 4, high nitrates and phosphates, high turbidity
    30s
    8.E1.3
  • Q12
    Which biological factor can indicate pollution in the water supply of North Carolina?
    Presence of bio-indicator species
    High level of dissolved oxygen
    Presence of nitrates and phosphates
    Low turbidity
    30s
    8.E1.3
  • Q13
    In terms of water safety, what does a high nitrate and phosphate level in the water supply of North Carolina signify?
    Presence of bio-indicator species
    Presence of contaminants and possible eutrophication
    Safe and potable water
    High level of dissolved oxygen
    30s
    8.E1.3
  • Q14
    What can a high turbidity level indicate about the water supply in North Carolina?
    Presence of nitrates and phosphates
    Water is free from pollutants
    High level of dissolved oxygen
    Presence of suspended particles, potentially reducing water clarity and quality
    30s
    8.E1.3
  • Q15
    What does a high value of dissolved oxygen suggest about the water supply in North Carolina?
    High turbidity
    Water is unsafe for consumption
    Water is potentially healthy and can support a diversity of aquatic life
    Presence of contaminants
    30s
    8.E1.3

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