Practice MICROBES IN HUMAN WELFARE - 8 | 8. MICROBES IN HUMAN WELFARE | CBSE Grade-12 Biology
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MICROBES IN HUMAN WELFARE

8 - MICROBES IN HUMAN WELFARE

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What type of bacteria is used to make curd?

💡 Hint: Think about the process of converting milk.

Question 2 Easy

What gas is primarily produced in the fermentation process of dough?

💡 Hint: Consider what happens when the dough rises.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary role of Lactobacillus in food production?

A. Causes spoilage
B. Ferments milk to curd
C. Produces gas

💡 Hint: Think about what happens when you add a starter to milk.

Question 2

True or False: Biogas is primarily composed of carbon dioxide and hydrogen.

True
False

💡 Hint: Recall what produces biogas.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider a community that has a sewage treatment plant. Discuss the short-term and long-term benefits of this facility on public health and the environment.

💡 Hint: Think about how sewage affects water bodies.

Challenge 2 Hard

Evaluate the role of biocontrol methods versus chemical pesticides in a specific agricultural scenario, citing advantages and challenges of each.

💡 Hint: Consider the impact on biodiversity.

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