9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A

Published on: 12/09/2019
Man and Environment
Download Tamil Nadu 9th 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.
Gradual increase of the earth's temperature by the Greenhouse gases in the atmosphere is called ________.
Acid rain
thermal pollution
Global warming
Deforestation
2.
The statistical study of human population is ___________.
Demography
Morphology
Etymology
Seismography
3.
All external influences and factors that affect the growth and development of living organisms is ___________.
Environment
Ecosystem
Biotic factors
Abiotic factors
4.
Assertion(A): In tertiary activities, instead of producing goods by themselves, they are in the process of production.
Reason(R): People in Tertiary activities are purely eco friendly.
a) Both A and R are incorrect
b) A and R are correct but A does not explain R
c) A is correct and R is incorrect
d) A and R are correct and A explains R
5.
Assertion(A): Ozone layer in the stratosphere is considered as a protective shield.
Reason(R): It prevents the UV radiation from reaching the earth’s surface.
a) A and R are correct and A explains R
b) A and R are correct, but A does not explain R
c) A is incorrect but R is correct
d) Both A and R are incorrect
6.
Better living conditions
7.
Natural disaster
8.
Cruciform settlement
9.
Rio de Janeiro, Brazil
10.
Loudspeaker
11.
What is Greenhouse effect?
12.
What is 'black death'?
13.
Rural settlement and urban settlement
14.
Birth rate and Death Rate
15.
Describe the patterns of rural settlement with neat diagrams.
1.
(c)
Global warming
2.
(a)
Demography
3.
(a)
Environment
4.
A is correct and R is incorrect
5.
A and R are correct and A explains R
6.
Pull factor
7.
Push factor
8.
T- shaped settlement
9.
Earth Summit, 1992
10.
noise pollution
11.
(i) The green house effect is the process by which radiation from a planet's atmosphere warms the planets' surface to a temperature above what it would be without its atmosphere.
(ii) If a planet's atmosphere contains radiatively active gases they will radiate energy in all directions.
12.
(i) Natural Disaster or man-made disaster such as famine, war, landslides, earthquake, Tsunami, epidemics, extreme weather, etc.
(ii) The black death is estimated to have killed 30 - 60 percent of Europe's total population during the 14th century.
(iii) The dominant explanation for black death is attributed to the break of plague.
13.
| Rural settlement | Urban settlement |
| An area located in the outskirts, is known as rural | A settlement where the population is very high and has the features of a built environment, is known as urban. |
| Villages and hamlets constitute rural areas. | Cities and towns constitute urban areas. |
14.
| Birth rate | Death Rate |
| The number of live births per 1000 children in a country during a year. | The number of death per 1000 people in a country during a year. |
15.
Patterns of rural settlements:
| (i) Rectangular pattern: Rectangular pattern of settlements are found in plain areas or valleys. The roads are rectangular and cut each other at right angles. |
|
| (ii) Linear pattern : In a linear pattern, the houses are located along a road, railway line and along the edge of the river valley. |
|
| (iii) Circular or Semicircular pattern : The pattern of settlement that is found around the lakes, ponds and sea coasts are called circular or semicircular pattern. |
|
| (iv) Star-like pattern: Where several metalled or unmetalled roads converge, star-shaped settlements develop. |
|
| (v) Triangular pattern: Triangular patterns of rural settlement generally develop at the confluence of rivers |
|
| (vi) T-Shaped, V-Shaped, Cross-Shaped or Cruciform settlements: T-shaped settlements develop at tri-junctions of the roads (T) while V-shaped where two roads converge with the third one and Cruciform settlements develop on the crossroads which extend in all four directions. |
|
| (vii) Nebular pattern: The arrangement of roads is almost circular which ends at the central location or nucleus of the settlement around the house of the main landlord of the village or around a mosque, temple or church. |
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards