Practice Food Spoilage - 9.3.B.3 | 9. Economic Importance of Bacteria and Fungi | ICSE Class 9 Biology
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is food spoilage?

💡 Hint: Think about what happens to expired milk.

Question 2

Easy

Name one way to prevent food spoilage.

💡 Hint: What do you do with leftovers?

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 a common cause of food spoilage?

  • Bacteria
  • Oxygen
  • Water

💡 Hint: Think about what can grow on old food.

Question 2

True or False: All fungi cause food spoilage.

  • True
  • False

💡 Hint: Remember, some fungi are beneficial.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an experiment to test the effectiveness of different food preservatives on the growth of bacteria in milk.

💡 Hint: What you might notice first about the milk over time?

Question 2

Calculate the potential economic loss due to food spoilage in a grocery store over one week based on daily spoilage rates.

💡 Hint: What happens each day at that 5% rate?

Challenge and get performance evaluation