Class 9 Science | Term End Sample Papers | DBSE SOSE

Summary

The video provides a detailed explanation of a sample paper for the 9th-grade SOSC (DBSE) examination, covering various topics and chapters relevant to the 2022-23 academic session. The instructor guides students through multiple-choice questions, identifying the chapters they belong to, such as 'Improvement in Food Resources,' 'Diversity in Living Organisms,' 'Structure of an Atom,' and 'Force and Laws of Motion.' The video aims to help students understand the paper's format and prepare effectively for their upcoming 2024 exams.

Takeaways

• 📄 The speaker is presenting a sample paper for the 2022-23 SOSC DBSE class 9 exam to help students prepare for the 2024 exam.
• ✏️ Students need to fill out details such as their school name, school ID, student name, and exam roll number on the front page of the sample paper.
• 📚 The sample paper consists of multiple-choice questions (MCQs) that cover various chapters from the curriculum, including 'Improvement in Food Resources' and 'Diversity in Living Organisms'.
• 🔬 Some questions are based on scientific principles, such as soil acidity and the cathode rays experiment from the 'Structure of Atom' chapter.
• 🧪 Topics like the Law of Conservation of Mass, chemical elements, and valency are covered from the 'Force and Laws of Motion' and 'Work and Energy' chapters.
• ⚖️ Questions about gravitational principles, forces, and energy production are also included, relating to practical experiments and diagrams.
• 🌿 Other questions focus on genetic modifications, population graphs, and sustainable farming techniques, pointing to real-life applications of biology and ecology concepts.
• ⚗️ Concepts like sound waves, potential energy, and heat conversion from 'Work and Energy' and 'Sound' chapters are included in the test.
• 🌍 Environmental science topics, including CFCs (Chlorofluorocarbons) and waste management, appear in relation to natural resources and pollution.
• 🧬 The paper ends with questions about biotic systems, plant biology, and biotechnology, emphasizing practical knowledge from the 'Food Resources' chapter.

Q & A

What is the purpose of the sample paper discussed in the script?

The sample paper is designed to help students understand the pattern of questions for the 2024 exam, specifically for SOSC DBSE for class 9.

What should students write on the front page of the sample paper?

Students need to write their school name in capital letters, school ID, their name, and exam roll number if provided.

Which chapter does the question about acidity of soil in a nearby farm belong to?

The question belongs to the chapter 'Improvement in Food Resources'.

Which chapter is the question about brown-colored worms related to?

The question is related to the chapter 'Diversity in Living Organisms'.

What chapter includes the question about cathode rays?

The cathode rays question is from the chapter 'Structure of an Atom'.

What concept does the question on sodium chloride and the law of conservation of mass relate to?

It relates to the chapter 'Laws of Chemical Combination'.

Which chapter covers the question about force and a 90-degree angle diagram?

This question is from the chapter 'Force and Laws of Motion'.

What topic is covered by the question on calculating the density of silver?

The topic is related to 'Gravitation', specifically dealing with density.

Which chapter discusses potential energy in a scenario where a ball gets stuck between tree branches?

This question relates to the chapter 'Work and Energy'.

What chapter includes questions on genetically modified crops?

The questions on genetically modified crops are from the chapter 'Improvement in Food Resources'.