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CBSE Questions for Class 8 General Knowledge India: Science And Technology Quiz 7 - MCQExams.com
CBSE
Class 8 General Knowledge
India: Science And Technology
Quiz 7
Robert Webster is known for his work associated with which one of the following?
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Cardiology
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Influenza virus
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HIV/AIDS
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Alzheimer
Consider the following statements:
Symmetric Digital Subscriber Line (SDSL) is a collection of internet access technologies that offer symmetric upstream and downstream bandwidth.
Asymmetric Digital Subscriber Line (ADSL) provides greater bandwidth toward downstream than upstream.
Which of the statements given above is/are correct?
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Only 1
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Only 2
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Both 1 and 2
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Neither 1 nor 2
Which one of the following descriptions is correct?
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ADSL2 extends the capability of basic ADSL in data rates to 12 Mbit/s downstream.
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DSL filter allows a single telephone connection to be used for both ADSL2 service and voice calls at the same time.
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ADSL2 uses the same bandwidth as ADSL but achieves higher throughout via improved modulation techniques.
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All the descriptions (a), (b) and (c) are correct about the Asymmetric Digital Subscriber Line 2 (ADSL2).
Which one of the following descriptions is correct about the Asymmetric Digital Subscriber Line 2 plus (ADSL2+)?
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ADSL2+ extends the capability of basic ADSL by doubling the number of downstream bits
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ADSL2+ extends the capability of basic ADSL by doubling the number of upstream bits
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DataOne and Triband services of BSNL and MTNL respectively use the ADSL2+ technology
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Both the statements (a) and (c) are correct about the ADSL2+ technology
Consider the following statements:
5-Generation mobile telecommunication is approved and implemented by the International Telecommunication Union in 2012.
5G mobile telecommunication system is originally launched on the CDMA standard.
Which of the statements given above is/are correct?
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Only 1
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Only 2
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Both 1 and 2
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Neither 1 nor 2
Which one of the following electromagnetic spectrum ranges is mainly used to transmit WiMAX signal?
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0.5 to 2 GHz
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2 to 3.5 GHz
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4 to 5.5 GHz
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6 to 7.5 GHz
The microwaves region of the electromagnetic spectrum is ranges from 0.5 GHz to 300 GHz, then which one of the following ranges is commonly used in the telecommunication sectors?
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1 to 40 GHz
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80 to 120 GHz
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120 to 180 GHz
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180 to 300 GHz
Computer applications were classified by_____________.
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J.C. Denyer
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J. Shaw
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R. Brealey
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Both (A) and (B)
Consider the following K-bands
K-band
Ka-band
Ku-band
Arrange the bands given above chronologically according to increase (from low to high) in their frequency.
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1 <2< 3
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1 < 3 < 2
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3 < 2 < 1
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3< 1 < 2
Which among the following films has got the Swarna Kamal Award for Best Feature Film in 53rd National Film Awards?
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Parineeta
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Sringarm
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Iqbal
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Kaalpurush
Explanation
Kaalpurush or Kalpurush is a 2005 Indian Bengali drama film directed and written by Buddhadev Dasgupta . The film won National Film Award for Best feature film in 2006 and Mithun being nominate
for best actor category.
The oldest and the most widely used input media is_________.
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punched card
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paper tape
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electrosatic printers
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laser Printers
What is the full form of the scanning technique CAT?
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Complete Anatomical Trepanning
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Computerized Automatic Therapy
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Computerized Axial Tomography
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Complete Axial Transmission
Explanation
A Computerized tomography(CT) (or computerized axial tomoghraphy(CAT)scan) uses a computer that takes data from several X-ray images of structures inside a humans or animals body converts them into
pictures on a monitor.
Consider the following telecommunication terms:
DSL GPRS LTE EDGE
Which of the terms given above is/are part of GSM based telecommunications?
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1,2,3 and 4
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2 and 3
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2, 3 and 4
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3 and 4
The data written or put out are referred to__________.
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input
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output
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programme
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input units
The Audacity of Hope is a book written by __________.
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Bill Clinton
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Barack Obama
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Gorge Bush
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Bill Gates
Explanation
The Audacity of Hope: Thoughts on reclaiming the American Dream is the second book written by then-Senator Barack Obama.
The risk associated with diversification are _____________.
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Country risk
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Currency risk
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Transmission risk
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All of the above
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Both (A) and (B) above
Explanation
Integration of financial markets or diversification's is not free of costs. The cost come in the form of certain risks.
1. A currency risk denotes the risk of value of an investment in some other country's currency, coming down in teams of the domestic currency.
2. Country risk is the risk of not being able to disinvest at will due to countries suddenly changing their attitude towards foreign investment, or due to some other factor like war, revolution etc.
3. Transmission risk is the risk of markets going down together in times of a downturn in an economy or in case of any panic among investors.
Choose the correct answer form the alternatives given.
India in 2008 successfully put CHANDRAYAAN- 1 into initial orbit by _________________.
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PSLV-C12
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PSLV-C11
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PSLV-14
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GSLV-D3
Explanation
Chandrayaan-1 was Indias first lunar probe. India launched the spacecraft using a PSLV-XLrocket, serial number C11, on 22 October 2008 from Satish Dhawan Space Center, Sriharikota, Nellore District Andhra Pradesh.
First woman Prime-Minister in the World was from ____________.
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Sri Lanka
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Bhutan
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India
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Nepal
Explanation
Sirima Ratwatta Dias Bandaranaike was a Sri Lankan stateswoman and politician and the modern worlds first female head of government. She served as Prime Minister of Ceylon and Sri Lanka three times, 1960-65,1970-77,and 1994-2000, and was a long- time leader of the Sri Lanka Freedom Party.
Who got the World Food Prize?
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Kofi Annan
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Manmohan Singh
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Hillary Clinton
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Bhumibol Adulyadej
Explanation
In 2009, Gebisa Ejeta won the world food Prize for his major contributions in the production of sorghum. Former U.S. Senators George McGovern and Robert Dole were selected to receive the 2008 World Food Prize for their inspired , collaborative leadership that has encouraged a global commitment to school feeding and enhanced school attendance and nutrition for millions of the worlds poorest children ,especially girls.
Which State provided separate reservation for Muslims and Christians in the State Backward Classes List in 2007?
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Andhra Pradesh
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Tamil Nadu
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Bihar
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Kerala
Explanation
The Tamil Nadu Government has declared the decks to promulgate an ordinance to introduce reservations for Christrians and Muslims of backward caste denominations to the extent of 3.5 percent each from Sep 14, 2007.
Choose the correct answer form the alternatives given.
Dr. A.P.J.Abdul Kalam has been appointed as Chancellor of ____________.
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JIM Mumbai
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IIT Kanpur
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JIM Ahmedabad
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IIT Thiruvananthapuram
'audi alteram partem' means ________________.
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Not connected to facts.
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Following the substantive law.
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A transferee cannot retransfer.
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Giving opportunity of hearing of the other side.
Gunnar Myrdal has dealt with the problem of Asian countries in her book ASIANDRAMA 'regarding' _________.
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poverty
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modern industries
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military dictatorship
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neo-colonialism
Explanation
Gunnar Myrdal was a Swedish economist, sociologist and politician. Gunnar Myrdal strongly opposed the Vietnam War. In Asian Drama, Myrdal predicted that land reform and pacification would fail in Vietnam and urged the United States to begin negotiations with North Vietnam.
Choose the correct answer form the alternatives given.
Which space agency released surprising pictures of the remains of huge river which ran across Mars at some point of time on January 17,2013?
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NASA
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European Space Agency
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Australian Space Agency
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ISRO
Explanation
The European Space Agency released an astonishing series of pictures showing the remnants of a huge river than once ran across Mars. Taken by the ESAs Mars Express, they show Reull V Allis, the river-like structure is believed to have formed when running water flowed in the distant martian past.
Who among the following was honoured with Officer of the Legion of Honour award by French Government in July 2008?
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Dev Anand
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Yash Chopra
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B.R. Chopra
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Mrinal Sen
Explanation
Noted Bollywood director-producer Yash Chopra on 5th July 2008, was conferred with the officer of the Legion of Honour , the highest French distinction ,for his contribution to Indian Cinema.
The Railway Budget for 2007-2008 has declared the year 2007 as the year of ___________________.
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Cleanliness
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Passenger Comfort
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Staff Welfare
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Computerization of Reservations
Explanation
Railway Budget 2007-08 declared Cleanliness Year-Special campaign to ensure cleanliness in station complexs, passengers trais, railway lines waiting rooms etc.
Persistence of vision is the Principle behind _____________.
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Binocular
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Cinema
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Periscope
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Camera
Choose the correct answer form the alternatives given.
Which one of the following satellites was successfully launched by the ISROs Polar Satellite Launch Vehicle (PSLVC24) on 4th April2014?
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IRNSS-1B
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GSAT-14
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INSAT-3D
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SARAL
Explanation
ISROs Polar Satellite Launch Vehicle , PSLV-C24, successfully launched IRNSS-1B,the second satellite in the Indian Regional Navigation Satellite System (IRNSS), April4, 2014 from Satish Dhawan space center SHAR Sriharikota.
Choose the correct answer form the alternatives given.
Where is the headquarter of ISRO situated?
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Bengaluru
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New Delhi
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Pune
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Kolkata
Explanation
Flipkart is an e-commerce marketplace company founded in 2007 by Sachin Bansal and Binny Bansal. Redbus became a part of ibibo group via a 100% acquisition in June 2013. Redbus was founded by threeengineers. Phanindra Sama, Charan Padmaraju and Sudhakar Pasupunuri who studied together at the BITS, Pilani and later worked in various companies in Bengluru.
In <HR>, the HR stands for____________.
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heading Regulations
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happy -Romulans
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horizontal Rule
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horizontal Rulers -
Which was the first super computer purchased by India for medium range weather fore-casting?
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CrayXMP-14
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Medha- 930
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CDC Cyber 930-11
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Param
In the case of an inferior good, the income elasticity of demand is _________.
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Zero
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Negative
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Infinte
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Positive
Choose the correct answer form the alternatives given.
Which one of the following pairs is not correctly matched?
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Kunal Bahl and Rohit Bansal : Snapdeal
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Sachin Bansal and Binny Bansal : Red Bus
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Deepinder Goyal and Pankaj Chaddah : Zomato
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Bhavish Agarwal and Ankit Bhati : Ola cab
Explanation
Exercise GARUDA SHAKTI-III, the third exercise in the series of joint exercises between armies of India and Indonesia, was conducted at Counter Insurgency and Jungle Warfare School in Vairengte, Mizoram from 09to 21 Feb 15.
Choose the correct answer form the alternatives given.
A minor planet is named after which one of the following Indian Legends?
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Viswanathan Anand
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Sachin Tendulkar
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A. R. Rahman
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Milkha Singh
Explanation
Minor planet was named after India's chess legend and first grandmaster Vishwanathan Anand by the Minor Planet Center. His name was given to the minor planet which was previously identified as planet 4538.
The Sargasso sea is situated in the __________.
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Atlantic Ocean
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Pacific Ocean
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Indian Ocean
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Arctic. Ocean
Choose the correct answer form the alternatives given.
The Aircraft Carrier inducted in to the Indian Navy recently is __________.
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INS Virat
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INS Vikrant
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INS Vikramaditya
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None
Explanation
INS Vikramaditya was commissioned on 16 November 2013 at a ceremony held at Severodvinsk, Russia. On 14 June 2014 , Prime Minister of India Narendra Modi formally inducted INS Vikramaditya into the Indian Navy and dedicated in to the nation.
We have to examine the PROS AND CONS of the scheme.
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Financial assistance
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advantages and disadvantages
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public support
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support
When was International Atomic Energy Agency statute approved by the UN?
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26th October, 1956
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26th October, 1955
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26th October, 1954
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26th October, 1953
Name the ISRO's heaviest rocket which was launched on $$5^{th}$$ of June $$2017$$.
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PSLV C$$37 (Cartosat - 2D)$$
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GSLV F05 (INSAT - 3DR)$$
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GSLV Mk - III (GSAT 19)$$
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PSLV C$$30(ASTROSAT)$$
What are the functions of International Atomic Energy Agency?
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To accelerate and enlarge the contribution of atomic energy to peace, health and prosperity throughout the world
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To ensure that assistance provided by it or at its request or under its supervision or control is not used in such a way as no further any military purpose
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Both (A) and (B)
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None of the above
The Union Health Minister J.P. Nadda has launched the Pneumococcal Conjugate Vaccine (PCV) in which state?
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Haryana
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Himachal Pradesh
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Bihar
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Maharashtra
What are the main functions of the International Telecommunication Union?
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To maintain extend international cooperation for the improvement and rational use of telecommunication of all kinds.
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Promote and offer technical assistance to developing countries in the field of telecommunications.
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To promote the development of technical facilities and their most efficient operation to improve the efficiency of telecommunications service.
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All the above
Who discovered electromagnetic nature of light?
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Snell
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Newton
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Maxwell
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Young
The first woman who entered into space ______________.
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Yuri Gagarin
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Alexi Leonav
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Valentino Tereshkova
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Kalpana Chawla
Can he swim? I don't think he knows ___________.
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swimming
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to swim
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how to swim
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how can he swim
Which of the following country recently has approved the world's biggest single tower solar thermal power plant?
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China
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Japan
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Pakistan
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Australia
A group of Indian Astronomers have discovered a massive super cluster of Galaxies and have named It as_______.
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Surya Ganga
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Jamuna
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Saraswati
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Godavari
According to NASA which was the second hottest month in a span of 137 years which state?
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March 2017
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April 2017
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May 2017
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January 2017
Name the newly discovered organism which has been named after Dr. A.P.J. Abdul Kalam by NASA_____________.
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Solibacillus Kalamii
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Anthrobacter Abdul
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Microbacterium Kalamii
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Zymomonas Kalamii
The clock rate of processor is measured in____________.
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Milliseconds
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Microhertz
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Megabytes or gigabytes
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Nanoseconds
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Megahertz and gigahertz
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