Microorganisms - Friend and Foe
10 solved questions from Class 8 Science, each with the full working. Tap any question to see the step-by-step solution.
- 1 What is the fundamental scientific concept introduced in the chapter 'Microorganisms - Friend and Foe'? medium MCQ Key Concept & Definition
- 2 Which of the following is an important application or observation related to 'Microorganisms - Friend and Foe'? easy MCQ Practical Application
- 3 What primary question does the chapter 'Microorganisms - Friend and Foe' aim to answer? medium MCQ Core Scientific Inquiry
- 4 Why is the study of 'Microorganisms - Friend and Foe' essential for students in class-8? hard MCQ Importance & Significance
- 5 Which key practice is recommended while studying topics in 'Microorganisms - Friend and Foe'? medium MCQ Scientific Method
- 6 What is the primary topic or theoretical principle explored in 'Microorganisms - Friend and Foe' (Class 8 SCIENCE)? medium MCQ Chapter Core Principle
- 7 Which key mechanism or analytical rule is highlighted in 'Microorganisms - Friend and Foe'? medium MCQ Key Analytical Mechanism
- 8 A hospital uses chlorhexidine solution 0.5% for hand washing. If a patient uses 10 mL per hand wash, how many grams of chlorhexidine are used per wash? medium 2 marks Antiseptic concentration calculations
- 9 A jar of grape juice contains 5 g of sugar. Yeast converts each gram of sugar into 2 g of alcohol. How much alcohol is produced? easy 1 mark Sugar fermentation to alcohol
- 10 Which microorganism is primarily responsible for the sour taste in pickles? medium MCQ 2 marks Fermentation by lactic acid bacteria