Answer: (c) To support low-income countries in independently producing mRNA vaccines
Explanation:

• (a) Incorrect – The initiative promotes equitable access, not nationalism.

• (b) Incorrect – It is focused on vaccine production, not gene editing.

• (c) Correct – The mRNA hub is designed to train and enable vaccine production capacity in low- and middle-income countries, especially post-COVID.

(d) Incorrect – It is a tech hub, not a WHO global headquarters.

Answer: (c) It dropped to the lowest winter extent ever recorded
Explanation:

• (a) Incorrect – The record is for lowest, not highest.

• (b) Incorrect – Antarctic ice plays a crucial role in climate systems.

• (c) Correct – The WMO report highlighted a dramatic decline, with 2023 being the lowest winter ice extent on record, raising alarm over climate tipping points.

(d) Incorrect – While krill are affected, extinction was not mentioned.

Answer: (b) To offer subsidized rooftop solar installations to households
Explanation:

• (a) Incorrect – It is not nuclear-based.

• (b) Correct – The scheme promotes rooftop solar panels for residential power savings, with subsidies and net metering.

• (c) Incorrect – Batteries are not directly offered under this scheme.

• (d) Incorrect – LPG or solar cookstove subsidies are under other initiatives.

Answer: (c) It validated crew escape system during emergency situations
Explanation:

• (a) Incorrect – This was not related to stealth orbit.

• (b) Incorrect – Space farming was not involved.

• (c) Correct – The Gaganyaan abort test proved that the crew module can separate and land safely if something goes wrong during launch, ensuring astronaut safety.

• (d) Incorrect – No mention of Mars-related propulsion in this test.

Answer: (a) To merge voter IDs with Aadhaar across elections
Explanation:

• (a) Correct – The One Voter One Data program aims to clean electoral rolls by linking Aadhaar with Voter ID, helping avoid duplication and fraud.

• (b) Incorrect – It does not enable overseas online voting.

• (c) Incorrect – It retains demographic data for electoral purposes.

• (d) Incorrect – No such passcode system exists.