

Understanding Fertilizers and Nutrients
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do the letters NPK stand for in fertilizers?
Nitrogen, Phosphorus, Kerosene
Nitrogen, Phosphate, Potassium
Nitrogen, Phosphate, Kerosene
Nitrogen, Phosphorus, Potassium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it a misconception that we feed plants directly?
Because fertilizers are only for soil improvement
Because fertilizers are harmful to plants
Because plants make their own food
Because plants take nutrients from the soil, not directly from fertilizers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the recommended NPK ratio for house plants using soilless mixes?
1:2:3
1:1:1
2:1:3
3:1:2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it unnecessary to fertilize plants in good garden soil?
Because fertilizing can harm the plants
Because good soil already provides necessary nutrients
Because plants do not need nutrients
Because garden soil is always nutrient-rich
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you determine the missing nutrients in your garden soil?
By observing plant growth
By conducting a soil test
By guessing based on plant type
By checking the color of the leaves
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if your soil test shows low potassium levels?
Add a balanced fertilizer
Add a fertilizer with high phosphorus
Add a fertilizer with high potassium
Add a fertilizer with high nitrogen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the NPK ratio in fertilizers?
It is used to label organic fertilizers
It shows the relative proportion of nutrients
It indicates the exact amount of nutrients
It determines the price of the fertilizer
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