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Biology Chapter 8 : Topic 2
Macronutrients and Micronutrients
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Mineral nutrients required by plants in large amounts are called:
Reasoning: Macronutrients are needed in relatively large quantities for plant growth.
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Mineral nutrients required in very small amounts are known as:
Reasoning: Micronutrients are essential elements needed in trace amounts.
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Which of the following is a macronutrient?
Reasoning: Nitrogen is required in large amounts and is a macronutrient.
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Which of the following is a micronutrient?
Reasoning: Iron is needed in small quantities, so it is a micronutrient.
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Which group contains only macronutrients?
Reasoning: N, P, and K are major macronutrients.
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Which group contains only micronutrients?
Reasoning: Iron, zinc, and copper are all micronutrients.
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Which nutrient is classified as a macronutrient?
Reasoning: Sulfur is required in relatively large amounts.
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Which nutrient belongs to the micronutrient category?
Reasoning: Boron is needed in trace amounts.
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The main difference between macronutrients and micronutrients is:
Reasoning: They differ mainly in the quantity needed by plants.
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Which pair consists of two macronutrients?
Reasoning: Both nitrogen and potassium are macronutrients.
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Which pair consists of two micronutrients?
Reasoning: Zinc and copper are micronutrients.
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Which nutrient is NOT a macronutrient?
Reasoning: Molybdenum is a micronutrient.
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Which nutrient is NOT a micronutrient?
Reasoning: Potassium is a macronutrient.
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A plant requires nitrogen for healthy growth. Nitrogen is classified as:
Reasoning: Nitrogen is one of the primary macronutrients.
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Which statement is correct?
Reasoning: Plants need both types of nutrients for normal growth and development.
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