1. As of now, Uranium can be used in which of the following fields?
- Electricity generation
- Medicines
- Defence
- Photography
Select the correct answer using the codes given below:
[A] Only 1 & 2
[B] Only 1 & 3
[C] Only 1, 2 & 3
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
Uranium is primarily used in electricity generation in nuclear reactors. It is also used in nuclear medicine, defence (as armor and projectiles), and historically in photography and ceramic coloring. Uranium-235 is the isotope used in nuclear fission. Major uranium reserves exist in Rajasthan, Jharkhand, and Andhra Pradesh in India; top producers are Kazakhstan, Canada, and Australia.
2. Consider the following statements:
- Radon is the heaviest gas.
- Astatine is the rarest element on the earth.
- Graphite, which is a non-metal, is also an electrical conductor.
Which of the above statement(s) is/are correct?
[A] Only 2
[B] 1 and 2
[C] 2 and 3
[D] 1, 2 and 3
Show Answer
Correct Answer: D [1, 2 and 3]
Notes:
Radon is the heaviest known noble gas and is radioactive. Astatine, with the atomic number 85, is the rarest naturally occurring element in the Earth's crust. Graphite, a form of carbon, is the only non-metal that conducts electricity due to its delocalised electrons. Thus, all the statements are correct.
3. Jiro Taniguchi, who passed away recently, was the legendary comic manga artist from which country?
[A] Malaysia
[B] Singapore
[C] Japan
[D] Swtizerland
Show Answer
Correct Answer: C [Japan]
Notes:
Jiro Taniguchi (69), a legendary comic manga artist of Japan, has recently passed away in Tokyo, Japan. He was known for his elegant line drawings and intricately-constructed landscapes. Taniguchi achieved an international following with works such as The Walking Man, The Summit of the Gods and The Magic Mountain.
4. Which of the following are advantages of sodium-ion batteries over lithium-ion batteries?
- These can store more energy per unit weight.
- These are less likely to experience thermal runaway.
- The element is abundant in nature.
Select the correct answer using the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Sodium-ion batteries offer higher energy density, lower risk of thermal runaway compared to lithium-ion batteries, and sodium is abundant in nature. The Earth’s crust contains 2.9% sodium versus 0.01% lithium. Cost of sodium extraction is lower, and sodium is found in seawater and soda ash. They are non-flammable and suitable for diverse applications.
5. As of now, Uranium can be used in which of the following fields:
- Electricity generation
- Medicines
- Defence
- Photography
Select the correct answer using the codes given below:
[A] Only 1 & 2
[B] Only 1 & 3
[C] Only 1, 2 & 3
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
Uranium is primarily used in electricity generation through nuclear power plants. It also finds application in the field of medicine (radioisotope production), defence (nuclear weapons and armor-piercing projectiles), and in early photography processes. Thus, all four fields listed utilize uranium in various capacities.
6. In which state the 2017 UNESCO Natural Heritage festival was held?
[A] Sikkim
[B] Himachal Pradesh
[C] Punjab
[D] Madhya Pradesh
Show Answer
Correct Answer: B [Himachal Pradesh]
Notes:
The 2017 UNESCO Natural Heritage Festival was held at Great Himalayan National Park (GHNP) in Sairopa, Himachal Pradesh from February 11th to 12th. The fest was held in collaboration with the Wildlife Institute of India (WII) and would be attended by prominent conservationists, including Dr George Schaller and Dr A J T Johnsingh, The festival feature a media workshop on environmental journalism, discussions on natural and cultural heritage of the Himalayan region and a heritage walk. Notably, GHNP was given UNESCO World Heritage Site status in 2014 in recognition of its outstanding significance for bio-diversity conservation.
7. Which of the following states is hosting the 2017 International Coin Fair?
[A] Arunachal Pradesh
[B] Chhattisgarh
[C] Tamil Nadu
[D] Kerala
Show Answer
Correct Answer: D [Kerala ]
Notes:
The 3-day International Coin Fair has started at Kanakakunnu Palace in Thiruvananthapuram, Kerala from February 13, 2017 and is hosted by District Tourism Promotion Council (DTPC). More than 2,500 coins from around 500 regions, including those from the times of empires and princely states will be displayed in this fair. The coins on display will include those from the time of Alexander the Great, to various Mughal, Chera, Chola emperors and Kanishka, besides Persian, Roman and Islamic coins. Additionaly, the coin released by Subhash Chandra Bose during British rule and Somalian guitar-shaped coins, Princess Diana tribute coins, flower-inscribed coins, among other rare pieces, will be the major attractions.
8. Who has been elected the new President of Germany?
[A] Christian Wulff
[B] Joachim Gauck
[C] Frank-Walter Steinmeier
[D] Olivia Jones
Show Answer
Correct Answer: C [Frank-Walter Steinmeier]
Notes:
Frank-Walter Steinmeier, a member of the Social Democratic party (SPD), has been elected the new President of Germany by the Federal Assembly meeting in Parliament in Berlin. He won 931 out of 1,260 votes. Steinmeier will succeed Joachim Gauck on March 18, 2017.
9. Who has been appointed the new President of Associated Chambers of Commerce of India (ASSOCHAM)?
[A] Sandeep Jajodia
[B] Kiran Kumar Gandhi
[C] Sunil Kanoria
[D] Navneet Gupta
Show Answer
Correct Answer: A [Sandeep Jajodia]
Notes:
Sandeep Jajodia, the CMD of Monnet Ispat & Energy Ltd., has been appointed the new President of industry chamber Associated Chambers of Commerce of India (ASSOCHAM). He succeeded Sunil Kanoria. The ASSOCHAM is one of the apex trade associations of India. The organisation represents the interests of trade and commerce in India, and acts as an interface between industry, government and other relevant stakeholders on policy issues and initiatives.
10. Who is the newly elected President of Institute of Chartered Accountant of India (ICAI)?
[A] V Sagar
[B] Nilesh Vikamsey
[C] G P Kapadia
[D] Ritesh Sharma
Show Answer
Correct Answer: B [Nilesh Vikamsey]
Notes:
Nilesh Shivji Vikamsey, who has been a member of the ICAI since 1985, has become the new President of Institute of Chartered Accountant of India (ICAI). Prior to this appointment, Vikamsey was the Vice President of the CA institute in 2016-17. ICAI is the national professional accounting body of India. The affairs of ICAI are managed by a council in accordance with the provisions of the Chartered Accountants Act, 1949 and the Chartered Accountants Regulations, 1988. The council has 32 elected members and eight are nominated by the central government.