Practice Chemicals, Enzymes and other Bioactive Molecules - 8.2.3 | 8. MICROBES IN HUMAN WELFARE | CBSE Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is citric acid, and which microorganism is it derived from?

💡 Hint: Think of where you find citric acid commonly used.

Question 2

Easy

Which yeast is used for ethanol production?

💡 Hint: Recall the role of yeast in baking and beverages.

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

Which microorganism is known for producing citric acid?

  • Aspergillus niger
  • E. coli
  • Saccharomyces cerevisiae

💡 Hint: Think about microbes in food production.

Question 2

True or False: Streptokinase is used to lower blood cholesterol levels.

  • True
  • False

💡 Hint: Consider what each enzyme focuses on.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze the impact of microbial enzymes on the food processing industry and propose an innovative use for a newly discovered enzyme.

💡 Hint: Think of current enzyme applications and how they might be improved or expanded.

Question 2

Discuss the ethical implications of using genetically modified microorganisms to produce pharmaceuticals. What are the benefits and potential risks?

💡 Hint: Reflect on real-world examples of GMO usage and their societal acceptance.

Challenge and get performance evaluation