Which principle among the following was added to the Directive Principles of State Policy by the 42nd Amendment to the constitution?

Which of the following statements is/are correct regarding Smart India Hackathon 2017? 
1. It is a centrally sponsored scheme for developing every city of our country into Smart Cities in a Decade. 
2. It is an initiative to identify new digital technology innovations for solving many problems faced by our country.
3. It is a programme aimed at making all the financial transactions in our country completely digital in a decade. 
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Which of the following statements is/are correct regarding the Monetary Policy Committee (MPC)?

1. It decides the RBI’s benchmark interest rates.

2. It is a 12-member body including the Governor of RBI and is reconstituted every year.

3. It functions under the chairmanship of the Union Finance Minister.

With reference to Manipuri Sankirtana, consider the following statements:

1. It is a song and dance performance.

2. Cymbals are the only musical instruments used in the performance.

3. It is performed to narrate the life and deeds of Lord Krishna.

Which of the statements given above is/are correct?

Who among the following was/were associated with the introduction of Ryotwari Settlement in India during the British rule?

1. Lord Cornwallis

2. Alexander Read

3. Thomas Munro

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In the context of solving pollution problems, what is/are the advantage/disadvantages of bioremediation technique?
1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.
2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms.
3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation.
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