Physical Geography Of Tamilnadu Online Test 10th Social Science Lesson 22 Questions in English

1. North           i) Cape Comorin
2. East            ii) Aanamalai Hills
3. South         iii) Point Calimere
4. West          iv) Pulicat Lake

• Assertion (A): The Anaimalai is located in the border of Tamil Nadu and Karnataka.
• Reasoning(R): Anaimalai is located to the south of Palghat Gap.

1. Nilgri Hills                i) Doddabetta
2. Anaimalai                ii) Aliyar Reserved Forest
3. Palani Hills             iii) Yela Malai
4. Javadhu Hills         iv) Bluish Grey Granites

• Assertion (A): Palani Hills are the Eastward extension of the Western Ghats.
• Reasoning(R): These Hills are located in the Dindigul district of Tamil Nadu.

• i) Ooty and Coonoor are the major hill stations on the Niligris Hills.
• ii) Aliyar and Thirumurthy dams are located at the foothills of Anaimalai.
• iii) Kodaikanal lies in the west central portion of the Palani Hills range.

• Assertion (A): Cardamom Hills is also known as Yela Malai.
• Reasoning(R): Cardamom is the only grown spice in these hills which is the reason for its name.

1. North West           i) Varusanadu
2. South East          ii) Palani
3. North East          iii) Anaimalai

• i) Kalugumalai is located in the Mahendragiri Hills range.
• ii) Pothigai Hills feature richest bio diversity in the Western Ghats.
• iii) ISRO Propulsion test facility is situated on the Kalvarayan Hills.

• Assertion (A): The Eastern Ghats is a discontinuous and irregular range.
• Reasoning(R): It is dissected at many places by the rivers which drain into the Bay of Bengal.

• i) Kalrayan Hills are the major range of hills in the Western Ghats of Tamil Nadu.
• ii) These Hills region separates the River basins of Cauvery and Palar.
• iii) These Hills have three sections.

• i)  The name Servrayan comes from the group of local tribes.
• ii) Solaikaradu is the highest peak in the Eastern Ghats.
• iii) Servarayan Temple is located in the Salem city.

• i) The Plateaus of Tamil Nadu form an Elliptical shape.
• ii) The Plateau is broader in south and narrow in the North.
• iii) The Highest range of these is in between 500 to 1000 meters.

• Assertion (A): The Tamil Nadu Rivers are the lifeline of the state.
• Reasoning(R): Cauvery, Vaigai and Thamirabarani are some of the important rivers in Tamil Nadu.

• i) The Kallanai was built across the river Cauvery.
• ii) The Network of distributaries of Cauvery is called as the 'Garden of Rivers'.
• iii) The distributaries of Cauvery merge in the Indian Ocean.

• Assertion (A): The Palar river sources cause sudden Long floods.
• Reasoning(R): The Palar River is extensively dammed for Tamil Nadu irrigation.

• i) Vaigai originates from the Eastern Ghats of Tamil Nadu
• ii) It partly flows in the Karnataka state too.
• iii) It flows through the Tirunelveli district also.
• iv) The Surplus water of the Vaigai River discharged into Palk Strait.

• Assertion (A): The Name of Thamirabarani River derives from the metal Copper.
• Reasoning(R): The color of the river is due to the red soil suspension.

1. Salem               i) Kaalikesam
2. Kanyakumari    ii) Kiliyur
3. Virudhunagar    iii) Thirumurthy
4. Tiruppur             iv) Ayyanar

• Assertion (A): The temperature of Tamil Nadu is relatively high in the summer.
• Reasoning(R): The East costal region of Tamil Nadu has the tropical climate.

• i) The Western region of Tamil Nadu has the mountainous climate.
• ii) Low altitude and the distance from the sea make the central part of the state with high temperature.
• iii) The migrating sun rays are the cause for various seasons in Tamil Nadu.

• i) It occurs during the February and March of the year.
• ii) The Vertical Sun rays fall between the Tropic of Capricorn and the Equator.
• iii) The average winter temperature of Tamil Nadu ranges from 10 C to 20C
• iv) The Winter season is very moist compared to other seasons.

• Assertion (A): Tamil Nadu receives only a meager rainfall from the South West Monsoon.
• Reasoning(R): Tamil Nadu is located in the rain shadow region in these seasons.

• i) This Monsoon is the main rain source of Tamil Nadu.
• ii) It accounts for about 70% of rainfall in Tamil Nadu.
• iii) The Coastal districts of Tamil Nadu get nearly 80% of its annual rainfall.

• Assertion (A): Tropical cyclones are common during the North East Monsoon.
• Reasoning(R): These Cyclones originates from the Bay of Bengal.

• i) Soil is the hard material formed by the erosion of rocks.
• ii) Soil provides essential minerals and nutrients for the growth of vegetation.
• iii) Soil is one of the renewable resources in the world.

• i) Formed by the transformation process.
• ii) It is not naturally fertile.
• iii) It is porous and loamy

• Assertion (A): Alluvial soils are rich in minerals like potassium, Nitrogen and Phosphoric Acid.
• Reasoning(R): Nitrogen and Humus is not present in the alluvial soil.

• i)It covers about 1/3^rd of the total area of Tamil Nadu.
• ii) The features of the red soil are not affected by any factors.
• iii) Red soil is porous, friable and non-retentive of moisture.

1. Sivagangai             i) Black Soil
2. Thoothukudi           ii) Saline soil
3. Nilgiris                   iii) Red soil
4. Vedaranyam          iv) Laterite Soil

• Assertion (A): About 12% of the Tamil Nadu total area is desertified or degraded.
• Reasoning(R): Theni is one of the most affected districts under desertification.

• i) This type of forest is found in meager rainfall areas.
• ii) These forest are found in the upper slopes of Western Ghats.
• iii) Tirunelveli, Kanyakumari and Coimbatore districts have these types of forest.

• Assertion (A): Tropical thorn forests are found in low rain fall areas.
• Reasoning(R): These types of forests are found in Dharmapuri, Ramanathapuram and Virudhunagar.

• Assertion (A): Several Wildlife sanctuaries and National Parks have been set up to protect the animal life in the state of Tamil Nadu.
• Reasoning(R): The hills of the state provide an ideal condition for a variety of animals and plants life.

1. Nagapattinam         i) Cauvery North Wildlife Sanctuary
2. Coimbatore             ii) Point Calimere Wildlife Sanctuary
3. Dharmapuri            iii) Megamalai Wildlife Sanctuary
4. Theni                      iv) Indira Gandhi Wildlife Sanctuary

1. Karaivetti Birds Sanctuary             i) Ramanathapuram
2. Theerthangal Bird Sanctuary        ii) Tiruvarur
3. Vaduvoor Birds Sanctuary            iii) Erode
4. Vellode Birds Sanctuary              iv) Ariyalur

• i) Tamil Nadu is rich in water resources.
• ii) Drought is a seasonal one in Tamil Nadu.

• Assertion (A): The Total demand of water demand in Tamil Nadu is 1894TMC.
• Reasoning(R): The Water resources in the state are 1587TMC in drought conditions.

• i) The 2015 flood in Tamil Nadu was caused by the Vardha Cyclone.
• ii) This flood was due to the heavy rainfall of the Northeast monsoon.
• iii) This flood affected the Coromandel coasts of Tamil Nadu and Andhra Pradesh.

• Assertion (A): Disaster Risk Reduction concept was developed by India.
• Reasoning(R): UNDRR analyses and reduces the causal factors of disasters.

• Assertion (A): The Montane Temperate forests are the sheltered valley Sholas.
• Reasoning(R): These Shola trees are short and evergreen found in Nilgiris and Anaimalai.

What are the methods followed for water conservation?

State the correct statements regarding the Forest fire incidents in Tamil Nadu

1. Tamil Nadu is a Sub-tropical state.
2. The high summer temperature causes forest fire regularly.

Which type of forests is affected with the forest fire?

Which of these districts was affected by a severe Forest fire recently?

What was the Richter scale measure of the earthquake caused by the Tsunami in the year 2004?

• Assertion (A): Tsunami is a common and regularly occurring disaster in India.
• Reasoning(R): All most all the countries around the Bay of Bengal were affected by the 2004 Tsunami.

What are the risk measures to be taken at the time of Tsunami?

Which of these districts were not affected by the Tremors and Tidal waves?

. In which of these years Tsunami was reported earlier in India?

• Assertion (A): The High risk zones of Earth quakes are situated in Northern and central parts of India.
• Reasoning(R): Tamil Nadu is under the low risk zone of earthquakes.