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Tariff hikes by a major importing country are most likely to affect which of the following in a developing export-dependent economy?

The recent fall in the Indian rupee amid global trade tensions most appropriately refers to which of the following economic phenomena?
1. Capital flight
2. Currency war
3. Terms of trade shock
4. Risk aversion in financial markets
Select the correct answer using the code given below

Consider the following statements regarding the Indian stock market decline in April 2025.
1. The Indian stock markets witnessed their steepest ever single-day fall since March 2020, triggered primarily by weak domestic corporate earnings.
2. The decline was primarily triggered by global concerns including the U.S. - China trade tensions and fears of a potential global recession.
Which of the statements given above is/are correct?

With reference to the debate on hydrogen-powered locomotives in India, consider the following statements
1. Hydrogen-powered trains are mainly suited for low-traffic routes where electrification is not economically feasible.
2. The production of green hydrogen is more energy-efficient than direct use of electricity for electric locomotives.
3. Hydrogen storage and transportation require high-pressure or ultra-low temperature systems, making it complex and costly.
4. Near 100% electrification of Indian Railways has significantly reduced operational costs and carbon emissions.
Which of the statements given above are correct?

Which of the following is/are considered by IUCN as a separate metric for listing species as endangered or critically endangered?
1. The loss of elder individuals in the population
2. Cultural behavior among the population
3. Decline in population and in the verge of extinction