Practice Ensuring Food Security - 8.5.3 | Chapter 8: Chemistry in Society and Environmental Chemistry | IB Grade 9 Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main purpose of fertilizers in agriculture?

💡 Hint: Think about what plants need to grow.

Question 2

Easy

Name one common preservative used in food.

💡 Hint: It starts with 'S' and is often used in acidic foods.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary role of fertilizers in agriculture?

  • Increase crop yields
  • Reduce pest populations
  • Extend shelf life of food

💡 Hint: Think about what plants need for growth.

Question 2

Is it true that pesticides have no impact on non-target insect populations?

  • True
  • False

💡 Hint: Pesticides are designed to kill pests, but what about other insects?

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a balanced agricultural system that incorporates the use of fertilizers, pesticides, and food preservation methods while minimizing environmental impact. Discuss the strategies you would employ.

💡 Hint: Think about eco-friendly alternatives to traditional chemicals.

Question 2

You'll oversee a food factory producing fortified grains. What chemical considerations must you account for in fortifying these products? Discuss the vitamins used and potential chemistry interactions.

💡 Hint: Focus on potential chemical interactions when vitamins are mixed with grains.

Challenge and get performance evaluation