Quiz on Plant Physiology and Mineral Nutrition

What are the essential nutrients required for plant growth?

• Carbon, Hydrogen, Oxygen

• Nitrogen, Phosphorus, Potassium

• Calcium, Magnesium, Sulfur

• All of the above

How many essential nutrients are required for plants?

• 12

• 15

• 20

• 17

Which of the following is a macronutrient?

• Iron

• Copper

• Zinc

• Calcium

What is the primary function of Nitrogen in plants?

• Promotes flowering

• Constituent of chlorophyll

• Cell wall synthesis

• Root development

Which nutrient deficiency causes chlorosis in older leaves?

• Nitrogen

• Phosphorus

• Potassium

• Calcium

What is the role of Magnesium in plants?

• Root development

• Flowering

• Photosynthesis

• Cell division

Which of the following is an immobile essential element?

• Phosphorus

• Nitrogen

• Iron

• Calcium

What is the main function of Potassium in plants?

• Nucleic acid synthesis

• Chlorophyll formation

• Protein synthesis

• Cell turgor

What is the process called when plants absorb minerals through their leaves?

• Passive transport

• Active transport

• Root uptake

• Foliar application

Which nutrient is involved in the synthesis of DNA and RNA?

• Calcium

• Magnesium

• Sulfur

• Iron