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Environmental Science 101 Exam 2 Review Questions with Correct Answers. $15.49   Add to cart

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Environmental Science 101 Exam 2 Review Questions with Correct Answers.

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Environmental Science 101 Exam 2 Review Questions with Correct Answers.

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  • August 6, 2024
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Environmental Science 101 Exam 2 Review Questions
with Correct Answers
What are the primary nutrients required for plant growth? Correct
Answer-Nitrogen, Phosphorus, Potassium


What are the secondary nutrients required for plant growth? Correct
Answer-Calcium, Sulfur, Magnesium, and Silicon


What are the trace or micronutrients required for plant growth Correct
Answer-Boron, Chlorine, Manganese, Iron, Zinc, Copper, Molybdenum,
Nickel, Selenium, Sodium


What is the most abundant gas molecule found in the atmosphere?
Correct Answer-N2, Nitrogen Gas


Is Nitrogen Gas Inert or Active? Correct Answer-Inert


How much nitrogen makes up the atmosphere? Correct Answer-78%


How would global increase of biologically available nitrogen influence
primary productivity? Correct Answer-It would increase primary
productivity


What do cyanobacteria use as an energy source? Correct Answer-The
sun (photosynthesis)

, What happens to the bodies of plants and animals when they die?
Correct Answer-They decompose


Since atoms and molecules don't disappear from dead organisms, what
happens to them? Correct Answer-They are incorporated into the soil;
the nitrogen in their bodies can be mineralized


What forms of nitrogen cycle through soils? Correct Answer-NH4, NH3,
NO3, NO2


What form of that cycled nitrogen do plants take up? Correct Answer-
NH3, NO3, NO2


Which form of reactive nitrogen is toxic to plants at high levels? Correct
Answer-NO2


What types of nitrogen are in the atmosphere Correct Answer-1. NH3
2. NO2
3. NO3
4. N2
5. N2O
6. NO
7. NH2

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