7th Standard Syllabus & Materials
7th Standard
TN 7th Tamil பருவம் -1 இயல் 1 - அமுதத்தமிழ் - ஒன்றல்ல இரண்டல்ல Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th Tamil பருவம் -1 இயல் 1 - அமுதத்தமிழ் - எங்கள் தமிழ் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Poem - Your Space Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - A Prayer to the Teacher Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Poem - The Listeners Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
TN 7th English T1 - Prose - The Wind on Haunted Hill Important Questions And Answers Study Material - QB365 Set A

Published on: 17/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 7 Social Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 7th Standard Social 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 Social Science Test

1.
Give a short note on Duralumin.
2.
Name the types of coal based on carbon content.
3.
What are the major utilizers of solar energy in the world?
4.
What are the uses of iron?
5.
Define - Resource.
1.
Duralumin is an alloy of aluminium with some other metals. It is made up of 90% aluminium 4% copper 1% magnesium and 1% manganese. As it is a light and hard it is used in aircraft construction.
2.
Coal is classified into four types based on carbon content.
They are:
1. Anthracite
2. Bituminous
3. Lignite
4. Peat.
3.
India, China, Japan, Italy and States of America are major utilizers of solar energy in the world.
4.
(i) Iron is used to manufacture steel and also used in civil engineering like reinforced concrete, girders etc.
(ii) It is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten and manganese.
5.
Anything which can be used for satisfying the human needs is called resource. Natural resources are resources that exist without action of humankind.
7th Standard Syllabus & Materials
7th Standard
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TN 7th English T1 - Prose - Eidgah Important Questions And Answers Study Material - QB365 Set A
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TN 7th Social Science T1 - ECO - Production Important Questions And Answers Study Material - QB365 Set A
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TN 7th Social Science T1 - GEO - Interior of the Earth Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards