RAS PRE 2025 ANSWER KEY

 RPSC, Ajmer has issued Answer Key for Raj. State and Sub. Services Comb. Comp. (Pre) Exam - 2024 for RAS Pres exam held on 02nd February 2025 as follows:-

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RAS Exam 2024 Notification, Apply Online 733 Post

Rajasthan Public Service Commission, Ajmer has released the detailed notification for RPSC RAS Exam 2024 for those students who aspire to join the Rajasthan Civil Services Exam. According to RPSC RAS ​​Notification 2024, this year 733 vacancies will be filled under the recruitment process which will include prelims exam followed by mains exam, which will be followed by the last stage that is interview.

RPSC RAS State Service Vacancy 2024:- The Rajasthan Public Service Commission has released 346 vacancies for different RPSC RAS Bharti 2024 state services posts. Check out the service-wise number of vacancies below:-

RPSC RAS Subordinate Service Vacancy 2024:- Out of the total 733 vacancies, 387 vacancies are for Subordinate services posts. A detailed description of the vacancies is shared below:-

Important dates:-

RPSC RAS Notification 2024 :- 2nd September 2024

Apply Online Start Date:- 19th September 2024

Last Date to Apply Online:- 18th October 2024 (12 midnight)

RPSC RAS Admit Card 2024:- January 2025

RPSC RAS Prelims Exam Date 2024:- 2nd February 2025

RPSC RAS Mains Exam Date 2024:- To be notified later

How to Apply:- RAS Apply Online Link 2024:- The online registration process for RPSC RAS 2024 has been started today, 19th September 2024. Candidates interested in Rajasthan Administrative Services posts can submit their application forms through the official website https://rpsc.rajasthan.gov.in/ or the direct link https://rpsc.rajasthan.gov.in/applyonline

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Coding Decoding Reasoning in Hindi PDF Notes, Short Tricks

Coding Decoding Reasoning in Hindi by Kamal Sir, PDF Notes, Short Tricks: Coding and Decoding topic of Reasoning (कोडिंग डिकोडिंग) in Hindi for RAS, SSC, Constable, SI, CGL, LDC and other competitive examinations by Kamal Sir. 

Coding Decoding Topic is covered in Following 5 Types:-

• CODING DECODING Part-1 | REASONING in HINDI:- https://youtu.be/0CcBpJEwu4E

• CODING DECODING Part-1 | REASONING in HINDI:- https://youtu.be/BBTol5UADdc

• CODING DECODING Part-3 | REASONING in HINDI:- https://youtu.be/0CcBpJEwu4E

• CODING DECODING Part-4 | REASONING in HINDI:- https://youtu.be/7eF6ZsMZaGA

• CODING DECODING Part-5 | REASONING in HINDI:- https://youtu.be/zoWBrupdZG4

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RAS Pre 2018 Results, Cut Off Marks

RAS Pre Exam Results 2018: Rajasthan Public Service Commission (RPSC), Ajmer has declared Results of Rajasthan Admin. Services (RAS) Combined Competitive Prelims Examination 2018  on late night of 23rd October 2018 for which examination was held on 5th August 2018 at all district headquarters of Rajasthan. RPSC Ajmer has uploaded the RAS Pre 2018 Examination results and cut-off marks on official website of RPSC, Ajmer i.e. www.rpsc.rajasthan.gov.in 
RAS PRE 2018, Cut Off Marks once again raised the Question on Reservation system when OBC Cutoff is 24 Marks higher then GEN candidates so Candidates scoring Higher marks are rejected with General and OBC-Creamy Layer candidates with lower score qualify for mains, which is raising question on the concept and soul of Reservation for poor and needful candidates. 

RAS PRE 2018 Answer Key, Cut Off Marks

Check RAS Pre Result 2016 in PDF File with Roll No

Check RAS PRE 2018 Cut-Off Marks category wise:

For GK, Current Affais Download: tinyurl.com/IndiaGK

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RAS Pre 2018 Official Answer Key by RPSC

Rajasthan Public Service Commission (RPSC) has issued Official Answer Key for RAS/RTS pre exam 2018 on 9th August 2018 on its website The candidates can check and download the RPSC RAS/RTS official answer keys from the official website: rpsc.rajasthan.gov.in

• RAS PRE 2018 OFFICIAL ANSWER KEY

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RAS Pre 2018 Paper, Answer Key, Cut-Off Marks, Solutions

RAS Pre 2018 Paper, Answer Key, Cut-Off Marks, Solutions: RAS Pre 2018 Examination held today, 5th August at verious centers across Rajasthan. Here is Full RAS 2018 Question Paper, Answer Key, Expected Cut-Off Marks and Solutions of Questions. You can also share answers in comment.

• RAS Pre 2018 Question Paper in PDF
• RAS Pre 2018 Paper Difficulty Level : HIGH
• RAS Pre 2018 OFFICIAL ANSWER KEY ( Released by RPSC, Ajmer on 9th August 2018)
• RAS Pre 2018 Expected Cut-Off Marks: As paper was somewhat difficult and not too much edge to science, Maths or engineering students so we expect low cut-off marks this year. Here is our prediction for RAS Pre 2018.
• GEN Category = 58-63 / 150
• OBC Category = 58-63 / 150
• SC Category = 55-58 / 150 
• ST Category = 54-58 / 150 

RAS Pre 2018 Answer Key, Questions, Solutions:

• Which of the following plant grown in non-forest area has been ommitted from the definition of tress in the Indian Forest (Amendment) act 2017? - Bamboo
• Which of the following were members of the Swaran Singh Committee (1976)? 
• AR Antulay
• SS Ray
• Haridev Joshi (NOT Member)
• CM Stephen
• In which country the concept of Public interest Litigation (PIL) was Originated ? - United states of America
• The CAG of Indian can be removed from his office in like manner as ? - Judge of Supreme court
• India's  first Beyond Visual Range (BVR) air to air missile indigenous designed and developed by DRDO is ? - Astra
• Central Vigilance Commission was setup on the recommendation of ? - Santhanam Committee
• In humans Trisomy of chromosome number 21 is responsible for ? - Down syndrome
• National research centre on seed spices is located at ? - Doomara, Ajmer (Near tabiji)
• Solar observatory in Rajasthan is located at ? Udaipur
• Which of the following terminology is/are mentioned in the preamble of the Right to Information Act, 2005?
• Transparency of Information
• Revelation of Information
• Informed citizenry
• Paramountcy of the democratic idea
• Answer: A,B,C,D (All of above)
• Which of the following CM have not held the post of Leader of opposition in Rajasthan Legislative assembly? - Shivcharan Mathur and Ashok Gehlot
• Which one of the following judge of supreme court of India has not worked in Rajasthan High court as Judge ? - Justice RC Lohati
• What has been kept under the purview of GST? - Ghee
• Rajasthan govt has established the first Skill university in the state. Where was it established ? - Sikar
• Which of the following is NOT considered as oil field of Rajasthan? - Ganga

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RAS Pre Admit Card 2018

Admit Card for RAS Pre 2018 on 5th August 2018: Rajasthan Public Service Commission (RPSC), Ajmer on 30th July 2018 has issued Admit Card / Call letters for Rajasthan Administrative Services (RAS) Pre 2018 which will be held on 5th August 2018 at District headquarters. Now candidates are looking for RAS Pre 2018 Exam Admit card can download admit card from official website of RPSC, Ajmer i.e. www.rpsc.rajasthan.gov.in
 
Website Link for Admit Card of RAS Pre 2018

https://rpsc.rajasthan.gov.in/admitcardnew

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"Rajasthan GK" Free Mobile App: http://tinyurl.com/RajasthanGK

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RAS 2018 Exam Date - 5 August 2018

RAS Pre 2018 Exam Date is 5th August 2018, Sunday as per press note issued by RPSC, Ajmer on 4th May 2018 on official website of rpsc, ajmer https://rpsc.rajasthan.gov.in/

Check Press note issued by RPSC, Ajmer.

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RAS Exam 2018 Notification, Date, Syllabus, Apply Online

Rajasthan Public Service Commission (RPSC), Ajmer on 2nd April 2018 issued Notification for Rajasthan Admin. Services (RAS) Combined Competitive Prelims Examination 2018, RAS  Exam 2018 examination which is expected to be held in July 2018. Eligible and interested candidates can apply Online from 12th April to 11th May 2018 through official portal of RPSC, Ajmer. Rajasthan Public Service Commission (RPSC), Ajmer as per Recruitment Advt No. 02/2018-19 For RAS/RTS Comb. Comp. Exam 2018 invites ONLINE applications for Rajasthan Admin. Services (RAS) Combined Competitive Prelims Examination 2018.
RAS 2018 State services 405 Post Details: 

RAS 2018 State services 575 Post Details: 

Age: 21 to 40 years on 1.1.2019, Age relaxation as per norms.

Qualification: Must hold a Degree of any of the Universities incorporated by an Act of the Central or State Legislature in India or other Educational Institution established by an Act of Parliament or declared to be deemed as a University under Section 3 of the University

Grants Commission Act, 1956 or possess an equivalent qualification recognized by the Government in consultation with the Commission.

Scheme of examination: The Combined Competitive Examination will be held in two successive stages- (i) Preliminary Examination, and (ii) Main Examination

Paper Pattern: : The Preliminary Examination will consist of one paper on the subject specified below, which will be of objective type and carry a maximum of 200 marks. The examination is meant to serve as a screening test only. The Standard of the paper will be that of a Bachelor’s Degree Level. You can check More Details here. RAS New Syllabus and Pattern. 

How to Apply: Eligible and Interested candidates should go through detail RAS PRE 2018 Notification and apply Online through official website of RPSC, Ajmer i.e. http://rpsconline.rajasthan.gov.in/ from 12th April to 11th May 2018 with Aadhar verification (No more required as most of candidates are facing issue due to non-receipt of OTP on mobile.)
Last date: 11th May 2018.For RAS PRE 2018 Notification CLICK HERE

Apply Online for RAS PRE: https://sso.rajasthan.gov.in/signin

RAS 2018 Syllabus: The syllabus and scope of each paper for the examination will be as prescribed by the Commission from time to time and will be intimated to the candidates within the stipulated time in the manner as the Commission deems fit.  You can refer RAS Pre 2018 Exam New Pattern issued on 14th April 2018.

RAS 2018 Exam date is 5th August 2018

• "RAJASTHAN GK" Free App: http://tinyurl.com/rajasthangk

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INDIA 2017 or भारत 2017 Book download link

INDIA 2017 or भारत (Bharat 2017) is Reference Annual brought out by Publications Division, is a comprehensive and authentic reference book encompassing all aspects of the development activities of the Government of India– from rural to urban, industry to agriculture, finances to infrastructure, art and culture, science and technology, human resources Development and mass communication. This volume also includes diary of important events, brief introductions of the states and Union Territories, constitutional amendments and many other aspects of polity. There is an exclusive chapter introducing Indian States/UTs with their vital statistics, viz. population, polity, land and people etc.

Price : Rs. 216/-

Download Link: http://publicationsdivision.nic.in/ebooks.aspx

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RAS Pre Result 2016, Cut Off Marks

RAS Pre Exam Results 2016: Rajasthan Public Service Commission (RPSC), Ajmer has declared Results of Rajasthan Admin. Services (RAS) Combined Competitive Prelims Examination 2016  on 15th September 2016 for which examination was held on 28th August 2016 at all district headquarters of Rajasthan. RPSC Ajmer has uploaded the RAS Pre 2016 Examination results and cut-off marks on official website of RPSC, Ajmer i.e. www.rpsc.rajasthan.gov.in 
RAS PRE 2016, Cut Off Marks once again raised the Question on Reservation system when OBC Candidates scoring Higher marks are rejected with General and OBC-Creamy Layer candidates with lower score qualify for mains, which is clear violation of Reservation and Creamy Layer concept and expected to face court through candidates scoring higher marks fails to qualify for mains. 

RAS PRE 2018 Answer Key, Cut Off Marks

Check RAS Pre Result 2016 in PDF File with Roll No

Check RAS PRE 2016 Cut-Off Marks category wise:

For GK, Current Affais Download: tinyurl.com/IndiaGK

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RAS Pre 2016 Answer Key, Question Paper, Cut Off

RAS Pre 2016 Answer Key, Question Paper, Possible Cut Off, Solutions for Exam held Today, 28th August 2016: RPSC, Ajmer Today, 28th August 2016 conducted Rajasthan Admin. Services (RAS) Prelims Examination 2016 (Sunday) at all district headquarters of Rajasthan. RAS Pre 2016 Answer Key, Question Paper, Possible category wise Cut Off for GEN, OBC, SBC, SC, ST, PWD and other category with Solutions is uploaded below to share and discuss with friends on Facebook, WhatsApp and social Media. 
The main portion and question in RAS Pre are: Aptitude Questions, Rajasthan GK, India GK, World GK and Current Affairs, Paper was slightly easy than RAS Pre 2016 so expecting 10-15% higher cut-off as compare to last year paper.

RAS PRE 2016 Resuts declared on 15th September 2016

Check RAS Pre 2016 Official ANSWER Key issued by RPSC, Ajmer on 30th August 2016.

Check RAS Pre 2016 Full Paper Solved

"Check all RAS Exam Papers Solved at:

Rajasthan GK App: tinyurl.com/RajasthanGK 

INDIA GK App: tinyurl.com/IndiaGK

RAS Pre 2016 Expected Cut Off, Category wise: :

• Gen/OBC Cut Off = 76-83
• SC Cut Off = 72-78
• ST Cut Off = 70-77
• PWD-L = No separate cut-off
• PWD-V-H = 45-55

RAS Pre 2016 Answer Key, Solved Question Paper:

How many times President Rule has been imposed in the state of Rajasthan till 30th June 2016 ?
A. 6 times
B. 5 times
C. 4 Times
D. 3 Times
Answer: C. 4 Times (President Rule in Rajasthan)

Delimitation commission of 1952 had determined the strenght of Rajasthan Legislative assembly as ?
A. 188
B. 200
C. Three MLA for each district
D. 160
Answer: D (The strength of the Rajasthan Legislative Assembly which is determined by delimitation Commission, was 160 in 1952 and presently stands as 200 after many more recommendations of the same Commission.)

Before the appointment of Shri Kalyan singh ass the governor of Rajasthan who among the following was the acting governor of the state ?
A. Ram Naik
B. OP Kohli
C. Margaret Alva
D. Ram Naresh Yadav
Answer: A (Ram Naik work as Governor of Rajasthan with additional charge from 7 August 2014 to 4 September 2014, while Kalyan Singh took charge on 4th September 2016.

Among the following, whose tenure has been the longest as the chairman of RPSC ?
A. DS Tewari
B. Mohammad Yaqub
C. CR Choudhary
D. Yatindra Singh
Answer: A ( DS Tewari was RPSC Chairman for 7 years from 8th August 1951 to 20 January 1958)

The procedure of Impeachment of the President of India is 
A. Legislative 
B. Judicial
C. Executive
D. Quasi-Judicial
Answer: D (The word 'Impeachment' is an origin of British convention which means to remove a Government official without any official agreement and after the impeachment conviction has been provided to that official. In India, it is a quasi-judicial procedure and President can only be impeached on the ground of violation of the Constitution.)

When was Rajasthan Information Commission constituted ?
A. April 18, 2007
B. April 18, 2008
C. April 18, 2005
D. April 18, 2006
Answer: D (Rajasthan Information Commission (RIC) was constituted by the state Government of Rajasthan with installing Shri M.D. Kaurani, as the first Chief Information Commissioner on April 18, 2006.) In the history of Rajasthan Legislative Assembly till 30 June 2016, How many times the confidence motion has been moved and discussed ? Please discuss.

Select the correct Answer:
State Election Commission of Rajasthan
A. a constitutional authority
B. a statutory Authority
C. A unit of election commission of India
D. an executive authority
Answer: C
ECI Website says: State Election Commissions constituted under the Constitution (Seventy-third and Seventy-fourth) Amendments Act, 1992 for each State / Union Territory are vested with the powers of conduct of elections to the Corporations, Municipalities, Zilla Parishads, District Panchayats, Panchayat Samitis, Gram Panchayats and other local bodies. They are independent of the Election Commission of India.

How Many times elections have been held for Panchayati Raj Institution in Rajasthan till 2015 ?
A. 9 times
B. 5 times
C. 10 times
D. 8 times
Answer: D

NAYA SAVERA is 
A. a programme to de-addict all the wine users
B. a programme to de-addict all the doda post users
C. all of above
D. a programme to de-addict all the tobaccco users
Answer: B. (नया सवेरा Scheme in Rajasthan)

Mukhyamantri Nishulk Dava Yojana in Rajasthan was launched on ?
A. 2 October 2011
B. 2 September 2011
C. 2 October 2010
D. 2 September 2010
Answer: A (Mukhyamantri Nishulk Dava Yojana in Rajasthan)

Which of the following external agency is providing financial assistance for Rajasthan Renewable Energy Transmission Investment Program ?
A. Asian Development Bank
B. World Bank
C. KFW Germany
D. Japan International Cooperation Agency (JICA)
Answer: A
Check Details: http://www.adb.org/projects/documents/mff-rajasthan-renewable-energy-transmission-investment-program-ippf

How many district Industries centres are working in Rajasthan
A. 31
B. 36
C. 29
D. 33
Answer:B (There are 36 District Industries Centres (DICs) working in the State and 7 District Industries Sub-Centres at Abu Road, Balotra, Beawar, Falna, Kishangarh, Makrana and Neemrana have also been set up to cater to the needs of small scale industries of the area. Headquarter office of the Department is situated at Udyog Bhawan, Tilak Marg, Jaipur. )

One of the following is not the Objective of Chief Ministers Subh Laxmi Yojana in Rajasthan
A. to encourage registration of Girl child birth
B. to promote the birth of girl child
C. to help pregnant girls
D. to prevent child marriage
Answer:  C

The Chemical Formula of Baking Soda is ?
A. Na2CO3
B. CaCO3
C. NaHCO3
D. Ca(OH)2
Answer: C

The ancient city which is mentioned in the Mahabharata and Mahabhashya both?
A. Viratnagar (Bairath)
B. Madhyamika (Nagari)
C. Raidh
D. Karkot
Answer: B

The inscription which proves the influence of Bhagwat Cult in Ancient Rajasthan is?
A. Ghatiyala Inscription
B. Besnagar Inscription of Heliodorous
C. Buchkala Inscription
D. Ghosundi Inscription
Answer:D

Who amongst the following scholars was not in the court of Kumbha?
A. Tilla Bhatt
B. Muni Sunder suri
C. Muni Jin Vijay Suri
D. Natha
Answer: C

With which of the following areas of Rajasthan the alibakshi khayal is associated?
A. Karauli
B. Chidawa
C. Alwar
D. Chittor
Answer: C

Shankariya dance of rajasthan is related to?
A. Kalbeliya
B. Bhil
C. Sahariya
D. Terahtali
Answer: A

Which of the following pairs is correctly matched?
A. Pundrika Vitala – Raagmala
B. Pandit Bhavbhatt – Sangeetraj
C. Kumbha – Ragakalpadrum
D. Ustad Chand Khan – Ragachandrika
Answer: A

Which of the following is not correctly matched?
A. Begun – Ram Narayan choudhary
B. Bundi  - Naynu ram Sharma
C. Bijoliya – Vijay Singh Pathik
D. Bikaner – Narrotam Lal Joshi
Answer: D

What is the meaning of Patta Rekh in the history of Rajasthan?
A. Expected revenue
B. Military tax
C. Export-import tax
D. Begar
Answer: A

Where was the headquarter of Shekhawati Brigade Located?
A. Sikar
B. Jhunjhunu
C. Khetri
D. Fatehpur
Answer: B

Which one of the following newspapers of pre-independence rajasthan was not the promoter of arya samaj ideology?
A. Desh Hiteshi
B. Janhitkarak
C. Prapkarak
D. Rajputana Gazette
Answer: D

The latest android Mobile operating system 6.0 is named as ?
A. Lollipop
B. Kitkat
C. Jelly Beam
D. Marshmallow
Answer: D (Marshmallow is Android Mobile Operating system 6.0, However latest 'Version in Android 7.0 launched in July 2016 named 'Nougat'. But here Correct answer is D. 

Which district has become the first one in India to get connected to the High speed Rural Broadband Network ?
A. Idukki District of Kerala
B. Bangalore District of Karnataka
C. Pune District of Maharashtra
D. Vidisha District of MP
Answer: A

DRDO has developed a drug named, LOKOSKIN. It is being used in the treatment of ... ?
A. Lung cancer
B. Leukemia
C. Leukorrhea
D. Leucoderma
Answer: D (Source DRDO Website )

Since 1997-98, which statement is correct regarding Minimum Support Price (MSP)?
A. MSP is independent to C2 Cost
B. MSP<C2 costs
C. MSP>C2 costs
D. MSP=C2 cost
Answer: C ( Minimum Support Price (MSP), C2 Cost, C3 Cost and CACP Methodology)

• Check Full RAS Pre 2016 Question Paper

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Geography of India and World Quiz

Geography of India and World Quiz, Objective Questions: Geography of India and World Quiz for RAS Examination as per net pattern of RAS and other examination with short explanation. This question from NCERT Books of Social Science, Geography Class 6 to Class 10.

The planet known as the “Earth’s Twin” is

A. Jupiter 

B. Saturn 

C. Venus

D. Mars

Answer: C

Explanation: Venus is considered as ‘Earth’s-twin’ because its size and shape are very much similar to that of the earth.

Which is the third nearest planet to the sun ?

A. Venus 

B. Earth 

C. Mercury

D. Jupiter

Answer: B

Explanation: There are eight planets in our solar system. In order of their distance from the sun, they are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

All the planets move around the sun in a

A. Circular path 

B. Rectangular path 

C. Elongated path

D. Straight Path

Answer: C

Explanation: All the eight planets of the solar system move around the sun in fixed paths. These paths are elongated. They are called orbits. 

Pole Star indicates which direction ?

A. South 

B. North 

C. East

D. West

Answer: B

Explanation: In ancient times, people used to determine directions during the night with the help of stars. The North star indicates the north direction. It is also called the Pole Star. It always remains in the same position in the sky. 

Asteroids are found between the orbits of

A. Saturn and Jupiter 

B. Mars and Jupiter 

C. Earth and Mars

D. Earth and Venus

Answer: B

Explanation: Apart from the stars, planets and satellites, there are numerous tiny bodies which also move around the sun. These bodies are called asteroids. They are found between the orbits of Mars and Jupiter 

Which is the closest celestial body to our earth ?

A. Sun

B. Moon

C. Jupitar

D. Pluto

Answer: B

Explanation: The sun, the moon and all those objects shining in the night sky are called celestial bodies. Some celestial bodies are very big and hot. They are made up of gases. They have their own heat and light, which they emit in large amounts. These celestial bodies are called stars. The sun is a star. 

The southernmost Himalayas are known as

A. Shiwaliks 

B. Himadri 

C. Himachal

D. Arawali

Answer: B

Explanation: The northernmost is the Great Himalaya or Himadri. The world’s highest peaks are located in this range. Middle Himalaya or Himachal lies to the south of Himadri. Many popular hill stations are situated here.  The Shiwalik is the southernmost range.

Sahyadris is also known as

A. Aravali 

B. Upper Himalaya

C. Western Ghats 

D. Himadri

Answer: C

Explanation: The Western Ghats or Sahyadris border the plateau in the west and the Eastern Ghats provide the eastern boundary.  While the Western Ghats are almost continuous, the Eastern Ghats are broken and uneven. 

Corals are skeletons of tiny marine animals called ----- ?

A. Ant

B.  Sea Otter

C. Polyps

D. White Shark

Answer: C

Explanation: Corals are skeletons of tiny marine animals called Polyps. When the living polyps die, their skeletons are left. Other poplyps grow on top of the hard skeleton which grows higher and higher, thus forming the coral islands.

The Palk Strait lies between the countries

A. Sri Lanka and Maldives

B. India and Sri Lanka

C. India and Maldives

D. India and Bangladesh

Answer: B

Explanation: Sri Lanka is separated from India by the Palk Strait.

The oldest mountain range in India is the

A. Aravali hills 

B. Western ghats 

C. Himalayas

D. Vindhyachal

Answer: A

Explanation: Aravali hills, one of the oldest ranges of the world, border it on the north-west side. The Vindhyas and the Satpuras are the important ranges.

The latitude that runs almost halfway through India is ---- ?

A. Tropic of Cancer

B. Equator

C. Standard Meridian of India

D. Tropic of Capricorn

Answer: A

Explanation: India is located in the northern hemisphere. The Tropic of Cancer (23°30'N) passes almost halfway through the country. From south to north, main land of India extends between 8°4'N and 37°6'N latitudes.

The world’s highest rainfall occurs in

A. Mumbai 

B. Asansol 

C. Mawsynram

D. Phalodi

Answer: C

Explanation: Climate of a place is affected by its location, altitude, distance from the sea, and relief. Mawsynram in Meghalaya receives the world’s highest rainfall, while in a particular year it might not rain at all in Jaisalmer in Rajasthan.

Mangrove forests can thrive in

A. saline water 

B. fresh water 

C. polluted water

D. None of above

Answer: A

Explanation: Mangrove forests can survive in saline water. They are found mainly in Sunderbans in West Bengal and in the Andaman and Nicobar Islands. Sundari is a well-known species of trees in mangrove forests after which Sunderbans have been named.

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RAS Pre Admit Card 2016

Admit Card for RAS Pre 2016 on 28th August 2016: Rajasthan Public Service Commission (RPSC), Ajmer on 16th August has issued Admit Card / Call letters for Rajasthan Administrative Services (RAS) Pre 2016 which will be held on 28th August 2016 will be held in District headquarters. Now candidates are looking for RAS Pre 2016 Exam Admit card can download admit card from official website of RPSC, Ajmer i.e. www.rpsc.rajasthan.gov.in from 16th August 2016 onwards with the help of Application ID and Date of Birth.
Candidates are advised to download RAS Pre Admit Card 2016 from below website link. If any candidates have discrepancy in Names, Fathers Name, DoB, Category then they can apply for change with application letter with Rs. 300 Postal order to RSPC, Ajmer. Check Press Note for Admit card, Correction.

Website Link for Admit Card of RAS Pre 2016

https://rpsc.rajasthan.gov.in/applyonline/admissionCard

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"India GK" App with Solved  Exam Papers: http://tinyurl.com/IndiaGK
"Samanya Gyan" App in Hindi: http://tinyurl.com/HindiGK

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Structure of the Earth

Structure of the Earth: The interior structure of the Earth is layered in spherical shells, like an onion. These layers can be defined by their chemical and their rheological properties. Earth has an outer silicate solid crust, a highly viscous mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core. Scientific understanding of the internal structure of the Earth is based on observations of topography and bathymetry, observations of rock in outcrop, samples brought to the surface from greater depths by volcanoes or volcanic activity, analysis of the seismic waves that pass through the Earth, measurements of the gravitational and magnetic fields of the Earth.

This Topic is Part of Broad Physical features of World

The Crust

• It is the outermost solid part of the earth. It is brittle in nature. 
• The thickness of the crust varies under the oceanic and continental areas.
• Oceanic crust is thinner as compared to the continental crust. The mean thickness of oceanic crust is 5 km whereas that of the continental is around 30 km.

The Mantle

• The portion of the interior beyond the crust is called the mantle. The mantle extends from Moho’s discontinuity to a depth of 2,900 km.
• The mantle contains a weaker zone called asthenosphere.
• It is from this that the molten rock materials find their way to the surface.
• The material in the upper mantle portion is called magma.
• Once it starts moving towards the crust or it reaches the surface, it is referred to as lava.

The Core

• The coremantle boundary is located at the depth of 2,900 km. The core is made up of very heavy material mostly constituted by nickel and iron. It is sometimes referred to as the nife layer.
• The Core is divided into two layers: Outer Core and Inner Core.
• Outer core is in liquid state. The liquid outer core surrounds the inner core and is believed to be composed of iron mixed with nickel and trace amounts of lighter elements.
• Inner core is in solid state. Inner Core was discovered in 1936 by Inge Lehmann and is generally believed to be composed primarily of iron and some nickel. It is not necessarily a solid, but, because it is able to deflect seismic waves, it must behave as a solid in some fashion.

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