11 Gen HB Testing for Nutrients - Biuret Test for Proteins

Which food is expected to yield a positive result in the Biuret test?

• Banana
• Tomato
• Potato
• Chicken

Which food is least likely to produce a positive reaction in the Biuret test?

• Lentils
• Almonds
• Yogurt
• Orange

The Biuret test is primarily used to detect the presence of:

• Carbohydrates
• Lipids
• Proteins
• Vitamins

Which food would you expect to have a negative result in the Biuret test?

• Egg white
• Cheddar cheese
• Ground beef
• Honey

A food sample turns from blue to violet in the Biuret test. This suggests the presence of:

• Starch
• Fats
• Sugars
• Proteins

Which of the following foods is most suitable for testing with the Biuret test to confirm the presence of proteins?

• Orange juice
• Coconut water
• Milk
• Soda

Which food is unlikely to react in the Biuret test due to its low protein content?

• Salmon
• Tofu
• Quinoa
• Chocolate

The Biuret test detects the presence of:

• Amino acids
• Nucleic acids
• Carboxylic acids
• Proteins

Which food is expected to give a positive Biuret test result due to its high protein content?

• White rice
• Greek yogurt
• Cucumber
• Apple

Which food is not expected to produce a color change in the Biuret test?

• Oatmeal
• Avocado
• Bread
• Pineapple