Class 10 Science questions for CBSE

Discuss the phenomenon of refraction of light through a prism. Explain how it leads to the dispersion of light and the formation of a spectrum. Include relevant applications of this concept.

Explain the reaction of acids with metals, highlighting the products formed. Provide examples of different acids and metals, and discuss the significance of these reactions.

Describe the structure and function of neurons in the nervous system. Explain how signals are transmitted across a synapse and the role of neurotransmitters.

Explain the reaction of metals with water. Provide examples of specific metals and describe the products formed in each case. Discuss the implications of these reactions.

Describe the process of photosynthesis, including the chemical equation involved. Discuss the factors that affect this process and their implications for plant growth.

Discuss the significance of variation in organisms and explain how it contributes to the process of natural selection. Provide examples to illustrate your points.

Explain the law of reflection and demonstrate it with a suitable diagram. Describe how this principle is applied in the construction of periscopes.

Describe the process of respiration in plants, including the types of respiration and how they differ from respiration in animals. Discuss the significance of respiration for plant life.

Explain the factors affecting the resistance of a conductor. Discuss how length, area, and material of the conductor influence its resistance, providing relevant equations and examples to illustrate your points.

Discuss the applications of spherical mirrors and lenses in real-life scenarios. Provide at least two examples for each and explain how these optical devices are utilized in those applications.

Describe the structure and function of neurons in the nervous system. Explain how signals are transmitted across synapses and the importance of neurotransmitters in this process.

List and explain the chemical properties of bases. Discuss how bases react with acids, metals, and non-metals, providing balanced chemical equations for each type of reaction discussed.

Discuss the various methods of asexual reproduction in organisms, specifically focusing on fission, fragmentation, and budding. Provide examples of organisms that utilize each method and explain the advantages of asexual reproduction.

Explain the formation of images by concave and convex mirrors. Include the characteristics of the images formed in terms of size, nature, and position. Illustrate your explanation with appropriate ray diagrams for both types of mirrors.

Describe the physical properties of metals and explain how these properties make metals suitable for various applications in daily life. Provide examples for each property mentioned.

When magnesium oxide reacts with hydrochloric acid, what type of chemical reaction is taking place?

When light passes through a prism, it bends. What is the term for this bending of light?

In flowering plants, which part develops into a fruit after fertilization occurs and protects the seeds?

During a biology class, a student learns about neurons. What is the basic functional unit of the nervous system that transmits signals?

A plant grows on decaying wood and absorbs nutrients from it. What type of nutrition does this plant represent?