The World Bank was created immediately after the Second World War. Its activities are focused on the developing countries. Which among the following are the activities of the Bank?

1. Human development
2. Agriculture and rural development
3. Environmental protection and governance
4. Loans and grants to the member countries

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Schemes run under the National Rural Employment Guarantee Act are sponsored

The writ of certiorari is issued by superior court to

 The Parliament can legislate on the subjects in the State List if the

Muhammad bin Tughlaq's experiment of introducing token currency could not succeed on account of

Which of the following statements regarding oxidation and reduction are correct?

1. In oxidation, loss of electron takes place whereas in reduction, gain of electron takes place
2. In oxidation, gain of electron takes place whereas in reduction, loss of electron takes place
3. Oxidising agent decreases the oxidation number but reducing agent increases the oxidation number
4. Oxidising agent increases the oxidation number but reducing agent reduces the oxidation number

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