Nitrates in Water: Post-Test Insights
Exploring the presence and impact of nitrates in water, this post-test delves into their forms, effects on aquatic life, and associated risks like algae overgrowth and health conditions in both fish and humans. Learn about the implications of excess nitrates and their role in water quality management.
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Presentation Transcript
Life Science Water s the Matter Measuring Nitrates Post-Test
Nitrates exist in which form normally? A. Negative ions B. Neutral molecule C. Neutral atom D. Positive ions
Fish excrete nitrates in the form of what compound? A. Pneumonia B. Ammonia C. Hydrogen hydroxide D. Carbon dioxide
Excess nitrates in the water do NOT cause which of the following? A. Fish to grow more rapidly B. Algae to grow unchecked C. Fish to be stressed and stop feeding D. Unstable dissolved oxygen levels in the water
Assuming that there is an excess of nitrates in a body of water and algae grow unchecked across the surface of the water, what is the major effect that this will have on the water? A. The algae will make the water clear B. The algae will turn the water purple C. The algae will block the sunlight from reaching down into the water D. The algae will increase the amount of sunlight that reaches the bottom of the water
What is the name of a disease that babies can get from drinking water containing large amounts of nitrates? A. Lipid-baby syndrome B. Blue-baby syndrome C. Cry-baby syndrome D. Silver-baby syndrome
