Cracking Class 10 SA-1 CBSE Exams: Essential Math and Science Questions

Are you preparing for the Class 10 SA-1 CBSE exams and looking for important questions to boost your preparation? This article provides a comprehensive list of key questions from Mathematics and Science that cover essential concepts and topics typically included in the syllabus.

Mathematics

Mathematics is a crucial subject in the Class 10 curriculum, and mastering it requires a strong understanding of fundamental concepts. Here are some important questions to start your preparation:

Polynomials

- Factorize the polynomial x2 - 5x 6. - Find the zeros of the polynomial f(x) 2x2 - 4x 1.

Linear Equations in Two Variables

- Solve the following system of equations: 2x 3y 6 4x - y 5

Quadratic Equations

- Solve the quadratic equation x2 - 3x - 10 0 using the quadratic formula. - Find the nature of the roots of the equation 2x2 4x - 2 0.

Statistics

- Calculate the mean of the following data set: 5, 7, 8, 10, 12. - Find the median of the data set: 3, 1, 4, 2, 5.

Triangles

- Prove that the sum of the angles in a triangle is 180°. - In triangle ABC, if AB AC, prove that angle B angle C.

Science

Building a strong foundation in Science is equally important. Here are some key questions to enhance your understanding of essential topics:

Chemical Reactions and Equations

- Write the balanced chemical equation for the reaction between sodium and water. - Explain the law of conservation of mass with an example.

Acids Bases and Salts

- What is the pH scale? Explain the significance of pH in everyday life. - Describe the preparation of hydrogen chloride gas in the laboratory.

Life Processes

- Explain the process of photosynthesis including the role of chlorophyll. - What are the main steps of cellular respiration?

Electricity

- State Ohm's law and explain its significance. - Calculate the resistance of a conductor if a current of 3 A flows through it when a voltage of 12 V is applied.

Light

- Define the laws of reflection of light. - Explain the phenomenon of dispersion of light through a prism.

Tips for Preparation

To excel in the Class 10 SA-1 CBSE exams, it is essential to focus on understanding concepts rather than rote memorization. Here are a few tips to help you prepare effectively:

- Focus on understanding concepts rather than rote memorization. - Practice solving previous years' question papers. - Make use of NCERT textbooks and study materials for comprehensive coverage.

Feel free to ask if you need more specific types of questions or explanations on any topics!