CBSE Class 10 Science Sample Paper 2018 (1)

CBSE Class 10 Science Sample Paper 2018 (1). It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

VSA:

1. State one reason for placing Mg and Ca in the same group of the periodic table.

2. State two roles of testes in male reproductive system.

3. Why is re-use of materials better than recycling in saving the environment?

SA: 

1. What is a homologous series? Write the name and draw the structure of the second member of the alkene series.

2. Give one example of each-

a) Metal having valency 2.

b) Non metal having valency 2.

c) Element with completely filled outermost shell.

d) d) Element with three shells, having 4 electrons in the outermost shell.

3. To protect the food plants from insects, an insecticide was sprayed in small amounts but it was detected in high concentration in human beings. How did it happen?

SA: II 

1. How do the following traits change in a period from left to right in the periodic table –

a) Atomic size

b) Valency

c) Metallic character.

2. What are isomers? Draw all possible isomers of C4 H10 and name them.

3. Two elements 'X‘ and 'Y‘ belong to the second group of the periodic table. 'X‘ has 2 shells and 'Y‘ has 3 shells in it –

a) Which of these is more metallic in nature and why?

b) What is the formula of the chloride of 'X‘ and sulphide of 'Y‘?

c) Is the valency of 'X‘ same as that of 'Y‘ or different? Why?

4. a) Why do we see different variety of organisms around us?

b) In which type of reproduction –

i) Off springs are identical? ii) Exact similar offspring‘s are not produced?

5. How do species of two isolated subpopulations become two different species? 

6. Define –

a) Spore formation

b) Regeneration

c) Multiple fission

7. Variation is useful for the survival of species overtime but the variants have unequal chances of survival.‖ Explain the statement.

8. What is "Placenta"? State its function in human female.

9. a) State the law of refraction of light that defines the refractive index of one medium with respect to the other.

b) Express it mathematically also. 

Please click the link below to download CBSE Class 10 Science Sample Paper 2018 (1).

Tags: 

 


Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Time management for CBSE students

The first thing to learn about Time Management is that time is theoretical so you can’t really manage it. What you do when you get into time management, is that you manage yourself. You decide what has to be done, when it must be done and how to do it in the stipulated...

Latest CBSE Syllabus for 2021 2022 PDF Download

Latest Syllabus for Class 12 for 2021 2022 Latest Syllabus for Class 11 for 2021 2022 Latest Syllabus for Class 10 for 2021 2022 Latest Syllabus for Class 9 for 2021 2022 CBSE has issued the latest syllabus for the academic year 2021 2022 which is applicable for all...

CBSE Assessment Framework

The Central Board of Secondary Education (CBSE) today, announced a suggested competency-based assessment framework to strengthen India’s existing school education system for secondary level (classes 6-10) and improve the overall learning outcomes of students across...

SOF IMO International Mathematics Olympiad

SOF IMO refers to the International Mathematics Olympiad organised by SOF, the Science Olympiad Foundation. SOF is the educational foundation involved in the academic upgradation of students. This Olympiad is a maths competitive examination conducted for the aspiring...

Pariksha pe charcha 2021 video released by CBSE

Pariksha pe charcha 2021 video released by CBSE

SOF Science Olympiad Foundation

SOF~ The most desired name for Olympiads in the Educational World! SOF” refers to the Science Olympiad Foundation. It is an Academic Institution assisting educational based competition and enhancing competitive spirit among the School- Level students. The Science...

×
Studies Today