7th Standard Syllabus & Materials
7th Standard
Tamilnadu 7th Standard Maths T2 - தகவல் செயலாக்கம் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - தகவல் செயலாக்கம் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set C
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - வடிவியல் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set C

Published on: 29/06/2019
seventh standard state board english medium frequently asked questions in geography interior of the earth
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.
Lava cones are ________.
mountains of accumulation
mountains of deformation
relicit mountains
fold mountains
2.
The narrow pipe through which magma flow out is called a _________.
Vent
Crater
Focus
Caldera
3.
The magnitude of an earthquake is measured by ________.
Seismograph
Richter scale
Ammeter
Rotameter
4.
Earthquake and volcanic eruption occur near the edges of ______.
Mountain
Plains
Plates
Plateaus
5.
Nife is made up of ________.
Nickel and ferrous
Silica and aluminum
Silica and magnesium
Iron and magnesium
6.
Seismology is the study of ________.
7.
An example for active volcano is _______.
8.
Magma rises to the surface and spreads over a vast area is known as ______.
9.
The earthquake waves are recorded by an instrument known as ______.
10.
The core is separated from the mantle by a boundary called ______.
11.
Mt. Kenya
12.
Tsunami
13.
Pacific Ring of Fire
14.
Sima
15.
Earth quake
16.
Give an example of extinct volcano.
17.
Name the movement of the Earth’s lithospheric plates?
18.
What is SIAL?
19.
Name the outer most layer of the earth.
20.
What is a Seismograph?
21.
Define Earthquake.
22.
Write note on the core of the earth?
23.
What is mantle?
24.
Write about the effects of an earthquake?
25.
On an outline map of the world, mark the Pacific Ring of Fire
1.
(a)
mountains of accumulation
2.
(a)
Vent
3.
(b)
Richter scale
4.
(c)
Plates
5.
(a)
Nickel and ferrous
6.
( )
earthquake
7.
( )
St.Helens USA
8.
( )
fissure eruption
9.
( )
seismograph
10.
( )
Weichart-Gutenberg discontinuity
11.
Africa
12.
Japanese term
13.
World volcanoes
14.
Silica and magnesium
15.
Sudden movement
16.
Mt. Popa of Myanmar and Mt.Kenya of Africa.
17.
Tectonic movements
18.
The upper part of the earth crust is SIAL.
19.
Crust
20.
The earthquake waves are recorded by an instrument known as Seismograph
21.
A sudden movement of a portion of the earth's crust which produces a shaking or trembling is known as an earthquake.
22.
The innermost layer of the earth is called the core. It is also known as barysphere. It is separated from the mantle by a boundary called Weichart-Gutenberg discontinuity. The core is also divided into two parts.
(i) The outer core, which is rich in iron, is in liquid state.
(ii) The inner core, composed of Nickel and Ferrous (Nife), is solid in state.
23.
The layer of the earth beneath the crust is called the mantle. It is separated from the crust by a boundary called Mohorovicic discontinuity.
24.
(i) Earthquakes may cause changes in the earth's surface. Vibrations often set landslides in mountainous regions.
(ii) A greater danger in an earthquake is the falling of buildings.
(iii) Fire is another great danger. Underground water system is naturally disturbed by such movements.
(iv) An earthquake which originates below or near the sea causes great disturbance in the water.
(v) Tsunami, a Japanese term, is the name given to the huge wave caused in the sea by an earthquake
25.
7th Standard Syllabus & Materials
7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set B
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - இயற்கணிதம் Important Questions And Answers Study Material - QB365 Set A
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - அளவைகள் Important Questions And Answers Study Material - QB365 Set C
NEW7th Standard
Tamilnadu 7th Standard Maths T2 - அளவைகள் Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 7th Standard Subjects
Tamilnadu Stateboard Standards