MCQs on Role of Fertilizers in Agriculture

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1. What is the primary role of fertilizers in agriculture?

a) To kill pests

b) To improve soil texture

c) To supply essential nutrients to plants✅

d) To increase soil acidity


2. Which of the following is a macronutrient commonly found in fertilizers?

a) Iron (Fe)

b) Zinc (Zn)

c) Nitrogen (N)✅

d) Manganese (Mn)


3. Which type of fertilizer provides both nitrogen and phosphorus?

a) Urea

b) DAP (Di-Ammonium Phosphate)✅

c) MOP (Muriate of Potash)

d) Gypsum


4. Which of the following is an organic fertilizer?

a) Urea

b) Ammonium sulfate

c) Farmyard manure (FYM)✅

d) Superphosphate


5. Which nutrient is most responsible for root development in plants?

a) Nitrogen (N)

b) Phosphorus (P)✅

c) Potassium (K)

d) Magnesium (Mg)


6. Which fertilizer is mainly used to enhance fruit and flower production?

a) Ammonium nitrate

b) Potassium sulfate✅

c) Rock phosphate

d) Lime


7. Excessive use of chemical fertilizers can lead to which environmental issue?

a) Desertification

b) Water pollution✅

c) Increased oxygen in water bodies

d) Ozone depletion


8. Which fertilizer is known as a "straight nitrogen fertilizer"?

a) Urea✅

b) NPK

c) DAP

d) SSP


9. What is the N-P-K ratio in a balanced fertilizer?

a) 5-5-5✅

b) 0-10-10

c) 20-10-10

d) 15-5-5


10. Which of the following is NOT a primary nutrient for plants?

a) Nitrogen

b) Phosphorus

c) Potassium

d) Zinc✅


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