CBSE Class 10 Science Question Paper 2018 - Free PDF Download
It is a known fact that the students who score well in board examinations have vast knowledge and a stronghold of the concepts. These concepts are built from solving questions of Science last year paper Class 10 to cover each topic. Moreover, solving question papers also tests your speed and recapitulation power. So in order to strengthen your fundamental concept and speed, it is important to Practice previous years question papers. You can download Previous Year Question Papers of Science Class 10 from this page. This will also help you in further competitive exams as it makes you basics strong. The Solutions curated by our Master Teachers are really Helpful. Register Online for Class 10 Science tuition on Vedantu.com to score more marks in CBSE board examination. Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. Maths Students who are looking for the better solutions ,can download Class 10 Maths NCERT Solutions to help you to revise the complete syllabus and score more marks in your examinations.
CBSE Class 10 Science Question Paper 2018 - Free PDF
FAQs on CBSE Class 10 Science Question Paper 2018 - Free PDF
1. How Vedantu’s last years’ science question paper will help me with the exams?
At Vedantu, we understand the necessity of practice and, hence, we provided you with the CBSE Class 10 Science Previous Year Question Papers with Solutions. We also help you with the free pdf download as well for CBSE last year Science Paper Class 10 board question paper, so that you can print it out, and appear for a mock examination by yourself.
At Vedantu, we desire to change the age-old ways of education as it has become inefficient. Getting enough practise by solving CBSE previous year question papers class 10 Science is something we, at Vedantu, believe in strongly. By practising CBSE Class 10 Science Question Paper on a regular basis, students can overcome the fear of exams. These last year papers also aid in the pressure of taking a real exam.
2. Explain about 3R’s in chapter 16 sustainable management of natural resources.
In this chapter, you will know what 1985 the Ganga action plan is, and also how Ganga river is getting polluted with sewage dump from more than 100 cities at a strict till West Bengal. It also teaches about the toxicity of water by dumping excreta, chemicals from the industries and untreated sewage. The 3 R’s which are taught in this chapter are Reduce, Recycle and Reuse.
The 3R’s which is used to save our environment.
Reduce: You have to reduce the usage of products which are essential for living organisms. Such as wastage of food, less usage of water and saving electricity.
Reuse: The materials which can be reused again will be taught here. Such as reusing bottles and plastic utensils.
Recycle: Here, you will read about the materials which can be recycled and used again. Such as paper, glass and metals.
3. What is a spherical mirror in chapter 10 light reflection and refraction?
In this segment of chapter 10, you shall know about the mirrors which are curved in shape and why they are called spherical mirrors. Further, it also teaches you about the two primary types of spherical mirrors which are Convex mirror and Concave mirror.
Further, in Class 10 Science Light, Reflection and Refraction discuss the centre of curvature, the radius of curvature, pole, principal axis, principal focus, focal length and secondary axis. This chapter also focuses on:
Image formation by the spherical mirror
Representation of images which are formed by spherical mirrors with the use of ray diagrams
Sign Convention for Reflection by Spherical Mirrors
Mirror Formula and Magnification
While calculating, they use positive and negative signs. The positive sign is an indication of the virtual image and a negative sign is an indication of a real image.
4. What are the main concepts that are covered in chapter 2 acids, bases and salts? How many exercise questions are there in this chapter?
Acids, Bases and Salts is the second chapter of CBSE Board Class 10 Science Book. This chapter will teach you about the chemical properties of various substances. You will also come across concepts like acids and bases in the laboratory, more about salts, the family of salts, PH of salts, chemicals from common salts, are the crystals of salts really dry, how strong are acid or base solution, the reaction of metallic oxides with acids, the reaction of non-metallic oxides with base and how do acids and bases react with metals. Our CBSE NCERT Solutions for Class 10 Science consists of 1 exercise and 5 IN-Text question sets. The solutions given to them are in an easy to understand way.
5. How can I solve question 7 of CBSE Class 10 Science Question Paper 2018?
Question 7 of CBSE Class 10 Science Question Paper 2018 asks the student to explain the difference between sexual reproduction and asexual reproduction. The question further asks the student about the chance of survival of these reproductive modes. To deal with this type of question, students must define what asexual reproduction and sexual mode of reproduction are. Further, since sexual reproduction facilitates variations in the new individuals, therefore, the survival of organisms with the sexual mode of reproduction is comparatively better than the survival of individuals with the asexual mode of reproduction.