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Prelims -Science and technology

Question:

Consider the following statements regarding Coal Bed Methane (CBM): 

1. It refers to the methane absorbed into the solid matrix of coal

2. Coal Bed Methane is located wherever coal is found

3. It contains 50% of methane and 50% of carbon dioxide 

Which of the statements given above is/are correct? 

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(a) 1 and 2 only

(b) 2 only

(c) 2 and 3 only

(d) 1 and 3 only

Check Answer:

Answer: B
Explanation

Question:

Which of the following statements regarding ‘RFID Technology’ is/are correct?

1. RFID uses electromagnetic fields to automatically identify and track tags attached to objects

2. Tags must be within line of sight of the reader to read the tag information

3. RFID tags has a limitation of maximum reading distance of one metre

Select the correct answer using the codes given below:

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(a) 1 only

(b) 1 and 3 only

(c) 2 and 3 only

(d) 1, 2 and 3

Check Answer:

Answer: A
Explanation

Question:

Consider the following statements regarding ‘Digital Wallet / E-Wallet’ which is being increasingly used in India :

1. It is a component of the payment system

2. In India, it comes under the legally recognized term – ‘Prepaid Payment Instruments’

3. All companies can issue e-wallets in India irrespective of paid-up capital

Which of the statements given above is/are correct? 

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(a) 1 and 2 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Check Answer:

Answer: A
Explanation

E-wallet is a component of the payment system. The word “payment system” is defined in India to mean a system that enables payment to be effected between a payer and a beneficiary, involving clearing, payment or settlement service or all of them. In India, E-wallet comes under the legally recognized term - “Prepaid Payment Instruments”. Prepaid Payment Instruments (PPIs) are defined in the RBI Guidelines issued under the Payment and Settlements Systems Act, 2005. Only those companies incorporated in India and have a minimum paid-up capital of Rs. 500 lakh and minimum positive net worth of Rs. 100 lakh at all the times are permitted to issue wallets in India.

Question:

Consider the following statements on sulphur dioxide

1. It is widely used as preservative and antioxidant in food and Beverages.

2. It causes acid rain.

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(a) Only 1

(b) Only 2

(c) Both 1 and 2

(d) Neither 1 Nor 2

Check Answer:

Answer:
Explanation

 https://timesofindia.indiatimes.com/home/environment/global-warming/india-sixth-most-vulnerable-country-facing-extreme-weather-events-report/articleshow/61581900.cms

Question:Venus, which is the smallest environmental research satellite in the world was recently launched by -View

(a) China

(b) Japan

(c) India

(d) Israel

Check Answer:

Answer:
Explanation

Venus’, the first Israeli satellite for environmental research was launched from the European spaceport in Kourou, French Guiana. The satellite is a joint effort by the Israel Space Agency and the French Space Agency (CNES). The satellite was built in Israel Aerospace Industries. Venus is considered the smallest satellite of its kind in the world. It is crafted to survey and monitor large areas to study soil, vegetation, forests, agriculture, water and air quality and other aspects of the environment.

Question:Which of the below is/are correct? -View

(a) Bharat 22 is aimed at helping speed up the government's disinvestment programme.

(b) The Bharat 22 Index will be rebalanced quarterly.

(c) Both a and b

(d) Neither a nor b

Check Answer:

Answer: Both a and b
Explanation

• The Union Finance Minister Shri Arun Jaitley announced a new Exchange Traded Fund (ETF) by the name BHARAT 22. • Bharat 22 consists of 22 stocks of CPSE's, PSB's & strategic holding of SUUTI . • Compared to energy heavy CPSE ETF, Bharat 22 is a well diversified portfolio with 6 sectors (Basic Materials, Energy, Finance, FMCG, Industrials & Utilities). • The Bharat 22 Index will be rebalanced annually. ICICI Prudential AMC will be the ETF Manager and Asia Index Private Limited (JV BSE and S& P Global) will be the Index Provider. • In the Budget Speech of 2017-18, the Finance Minister Shri Arun Jaitley had promised to use ETF as a vehicle for further disinvestment of shares. • The target for CPSE’s disinvestment in 2017-18 was set at INR 72,500 crore. During the current Financial Year 2017-18, the Government has realised approx INR 9,300 crore through nine disinvestment transactions so far. • http://www.thehindubusinessline.com/opinion/columns/all-you-wanted-to-know-about-bharat-22-etf/article9805925.ece

Question:The Bharat Bill Payment System is conceptualized by (a) Pay U Money (b) National Payments Corporation of India (c) SBI (d) RBI -View

(a) Pay U Money

(b) National Payments Corporation of India

(c) SBI

(d) RBI

Check Answer:

Answer: RBI
Explanation

• The Bharat Bill Payment System (BBPS) is an RBI conceptualized system driven by National Payments Corporation of India (NPCI). • BBPS is an integrated bill payment system offering inter operable and accessible bill payment service to customers through a network of agents, enabling multiple payment modes and providing instant confirmation of payment.