8th April 2025

The term "Hadean protocrust" refers to -

Consider the following statements about River Blindness -

1. It is caused by a parasitic worm transmitted through the bite of infected blackflies.
2. The disease is endemic only in sub-Saharan Africa and has not been reported in Latin America.
3. Mass Drug Administration (MDA) using ivermectin is the primary treatment strategy, requiring at least 80% coverage for effectiveness.
4. Colombia, Ecuador, Mexico, and Guatemala have been declared free of River Blindness by WHO.

Which of the statements given above are correct?

Regarding the Transiting Exoplanet Survey Satellite (TESS), consider the following:

1. It identifies exoplanets by measuring dips in starlight caused by planetary transits.
2. TESS’s prime mission mapped 75% of the sky, discovering 66 exoplanets, including gas giants.
3. Unlike Kepler, TESS focuses exclusively on stars within 100 light-years to assess habitability.

Which statements are correct?

Which of the following are implications of Trump’s 2025 reciprocal tariffs on India?

1. Indian pharmaceutical exports to the U.S. face a 27% tariff, impacting trade competitiveness.
2. India’s high agricultural subsidies and unpredictable tariff hikes were cited as key concerns by the U.S.
3. The tariffs may push India to dismantle non-tariff barriers and streamline digital regulations.
4. India’s retaliatory tariffs on U.S. goods align with the EU and Japan’s approach.

Select the correct answer using the codes below:

Match the following volcanic features with their respective locations:

Codes: