8 Soil Nutrients Ag Science H Varley

Which of the following is not a Macronutrient

• Calcium

• Nitrogen

• Iron

• Magnesium

Which of the following is a macronutrient?

• Potassium

• Manganese

• Copper

• Zinc

Which of the following is not a micronutrient

• Boron

• Phosphorus

• Molybdenum

• Nickel

Which of the following are signs of Nitrogen deficiency

• Yellowing of the leaves

• Necrosis of the older leaves

• Slow growth

• All of the above

Which of the following is not a function of Nitrogen in plants

• Seed and fruit formation

• DNA

• Amino Acids

• ATP

Which of the following is a sign of a deficiency in phosphorus

• Purple discolouration of the leaves

• Lack of fruit or flowers

• necrosis of the older leaves

• All of the above

Which of the following is a sign of a deficiency in Phosphorus

• Yellow leaves due to lack of chlorophyll

• Necrosis of the older leaves

• Purple discolouration in the leaves

• Scorching of the leaf tips

What is the function of calcium in the plant

• Formation of amino acids

• forms part of the chlorophyll molecule

• involved in the formation of cell walls

• Formation of seeds and fruit

What is the function of magnesium in plants

• formation of the chlorophyll molecule

• formation of cell walls

• formation of fruit

• Formation of roots

Chlorosis of the upper leaves in a plant is a sign of a deficiency in which macronutrient

• Boron

• Calcium

• Magnesium

• Sulfur