Practice Short Answer - 9.1 | Chapter 3: Biology and Human Welfare | ICSE Class 12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an infectious disease? Give two examples.

💡 Hint: Think of diseases that are contagious or transmitted.

Question 2

Easy

Define immunity.

💡 Hint: Consider how the body fights against diseases.

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 pathogen causes Typhoid?

  • Salmonella typhi
  • E.coli
  • Vibrio cholerae

💡 Hint: Think about the bacterium found in contaminated food.

Question 2

True or False: Vaccination can stimulate active immunity.

  • True
  • False

💡 Hint: Consider the role of vaccines in preparing the immune system.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Discuss the lifecycle of Plasmodium species and how it relates to malaria transmission.

💡 Hint: Sketch the life cycle to visualize stages.

Question 2

Analyze the impact of drug and alcohol abuse on a societal level.

💡 Hint: Consider both economic and social aspects in your analysis.

Challenge and get performance evaluation