10th Standard Syllabus & Materials
10th Standard
TN 10th Social Science ECO - Industrial Clusters in Tamilnadu - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Government and Taxes - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Food Security and Nutrition - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Globalization and Trade - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Gross Domestic Product and its Growth : an Introduction - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - India's International Relations - New Important Questions And Answers Study Material - QB365 Set A

Published on: 12/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 10 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
How are e-wastes generated?
2.
Solar energy is a renewable energy. How?
3.
Why fossil fuels are to be conserved?
4.
5.
What are the agents of soil erosion?
1.
Electronic wastes are generated from the spoiled, outdated, non - repairable electrical and electronic devices such as computers, calculator, toys etc.
2.
The sun gets its energy through nuclear fusion. In this reaction hydrogen atoms fused to form helium atom. As a result huge energy is radiated on the surface of the sun. This reaction is repeated again and again resulting in the energy output continuously.
\(4 \mathrm{H}^{1} \rightarrow{ }_{2} \mathrm{He}^{4}+2+{ }_{1} e^{0}+\text { energy }\)
3.
i) Non-renewable energy.
ii) Formation of these fuels is a very slow process and takes very long period of time for renewal.
4.
5.
High velocity of wind, air currents,flowing water, landslides, human activities.
10th Standard Syllabus & Materials
10th Standard
TN 10th Social Science CIV - India's Foreign Policy - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - State Government - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - Central Government - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - Indian Constitution - New Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards