Lesson 2 Where is the food in plants coming from?

What is the purpose of a negative control group in an experiment?

• To confirm the results of the experimental group

• To provide a standard to compare against the experimental group

• To ensure that the food indicators are working properly

• To test the hypothesis directly

Why is it important to wear goggles during experiments?

• To protect your eyes from potential hazards

• To improve vision during the experiment

• To prevent the experiment from being contaminated

• To follow the dress code of the laboratory

What is the main difference between a hydroponic set-up and traditional plant growing methods?

• Hydroponic set-ups require soil for growing plants

• Hydroponic set-ups use a nutrient solution for growing plants

• Hydroponic set-ups do not allow for plant growth

• Hydroponic set-ups are less efficient than traditional methods

Which type of biomolecule was tested for in Group A using a potato sample?

• Lipids

• Proteins

• Simple carbohydrates

• Complex carbohydrates

What type of biomolecule was Group B testing for in radish and plant nutrient solution samples?

• Lipids

• Proteins

• Simple carbohydrates

• Complex carbohydrates

Which food sample was used by Group C to test for the presence of lipids?

• White bean

• Radish

• Vegetable oil

• Potato

What biomolecule was Group D testing for in their experiment?

• Lipids

• Proteins

• Simple carbohydrates

• Complex carbohydrates