CBSE Class 10 Science 3 Marks Important Questions for the 2024 Board Exam

Getting a good score in board exams is all about understanding the question paper, especially since it’s set by the board, not your school teachers. To do well, you need to analyze various aspects of the paper, like the types of questions, how many marks each question carries, and other important details. This understanding combined with regular practice also helps you to tackle every question confidently in the final exam. 

For Class 10 Science, we’ve compiled important 3-mark questions organized by chapter. These questions cover things like definitions, small numerical problems, basic theoretical concepts, and short topics. Since these are short-answer questions, keep your responses to the point and brief, avoiding unnecessary details. .

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Important Tips to Answer 3-mark questions in the CBSE Board Exam:

1. Your answer should be between 50-80 words. So, make sure your response is neither too short nor too long.

2. When answering short questions, be clear and to the point. The idea is not to waste the teacher’s time. Also, some questions may have a few parts, so read carefully.

3. Managing your time well during the exam is essential. Don’t spend too much time on short-answer questions. Since these are 3-mark questions, give a brief overview to show the teacher that you know the topic well. Adding a few extra points can help you score full marks on each question.

4. Practicing these 3-mark questions regularly will help you get used to answering them quickly. This way, you won’t waste time during the exam. It’s also important to know how to answer questions correctly to get the most marks.

3 Marks Important Questions for the 2024 Board Exam:

1. What does ethanol look like? What happens when it’s heated with strong sulfuric acid? Describe it with a chemical equation, explaining the role of sulfuric acid.

2. Explain the differences between making esters and soap. Mention one use for esters and one for saponification.

3. Why is reproduction crucial for living beings? Give three reasons to support this statement.

4. Define vegetative propagation and outline two benefits and two drawbacks of this method.

5. How does a glass prism split white light, and what did Newton demonstrate using identical prisms? Include a simple diagram.

6. Propose two ways to create awareness in your neighborhood about water conservation.

7. Define ‘dispersion of white light’ and illustrate it using a labeled diagram. Explain why identical prisms are essential.

8. Describe how Rhizopus reproduces using spores. Provide an easy explanation.

9. Explain esterification using a chemical equation. Describe an activity to demonstrate esterification simply.

10. Define vegetative propagation again and highlight two advantages and two disadvantages of this method.

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