Fertilizers

1.Which of the following nutrients is commonly found in fertilizers?

• A) Nitrogen

• B) Oxygen

• C) Hydrogen

• D) Helium

• All of the above

Answer explanation

2.What does the term "NPK" stand for in fertilizers?

A) Nitrogen, Phosphorus, Potassium

B) Nitrogen, Phosphorus, Calcium

C) Nitrogen, Potassium, Calcium

D) Nitrogen, Phosphorus, Magnesium

• A) Nitrogen, Phosphorus, Potassium

• B) Nitrogen, Phosphorus, Calcium

• C) Nitrogen, Potassium, Calcium

• D) Nitrogen, Phosphorus, Magnesium

3.What is the primary purpose of a fertilizer?

• A) To improve soil texture

• B) To increase crop yield

• C) To repel pests

• D) To enhance soil color

4.Which type of fertilizer is derived from natural sources?

• A) Organic

• B) Inorganic

• C) Synthetic

• Chemical

5.What is a common effect of over-fertilizing?

• A) Improved plant health

• B) Reduced soil pH

• C)Water pollution

• D) Increased nutrient uptake

6.Which nutrient is most important for plant growth and leaf development?

• A) Nitrogen

• B) Phosphorus

• C) Potassium

• D) Calcium

7.Which nutrient helps plants develop strong roots?

• A) Nitrogen

• B) Phosphorus

• C) Potassium

• D) Magnesium

Is this a fertilizer?

• No

• Yes

• Looks tasty

• Already eaten it

Is this a fertilizer?

• Yes

• No

• Maybe

• Looks yu

Is this a fertilizer?

• Yes

• Maybe

• No