Quiz on Plant Nutrition

What are macronutrients?

• Nutrients plants need in small amounts.

• Nutrients plants need in large amounts.

• Nutrients only found in fertilizers.

• Nutrients plants don’t need.

Which of the following is a macronutrient?

• Iron (Fe)

• Potassium (K)

• Zinc (Zn)

• Boron (B)

What does nitrogen (N) do for plants?

• Helps roots grow.

• Protects plants from diseases.

• Makes leaves grow and stay green.

• Helps flowers bloom.

What is the role of phosphorus (P) in plants?

• Helps roots grow and flowers bloom.

• Keeps leaves green.

Which fertilizer is made naturally?

• Urea

• NPK fertilizer

• Compost

• Chemical spray

Name one advantage of natural fertilizers.

• Quick nutrient supply.

• Environmentally friendly.

• Easy to overuse.

• Causes water pollution.

What is a disadvantage of chemical fertilizers?

• Slower nutrient release.

• Improves soil structure.

• Can harm the environment.

• Inconsistent composition.

Which micronutrient helps enzymes work in plants?

• Calcium (Ca)

• Zinc (Zn)

What are chemical fertilizers made from?

• Organic materials like compost.

• Synthetic materials.

• Rainwater.

• Rocks.

Why do plants need potassium (K)?

• To make leaves green.

• To grow tall.

• To resist diseases and stay healthy.

• To grow fruits faster.