1. Recently, the Supreme Court issued a notice to the ECI on a writ petition demanding mandatory cross-verification of EVMs with Voter Verifiable Paper Audit Trail (VVPAT) slips. In this context, consider the following statements:

1. The VVPAT system was introduced for the first time during the 2019 Lok Sabha Elections.
2. VVPAT is connected to Electronic Voting Machines (EVM) and enables voters to confirm that their votes were cast as intended.
3. The VVPAT produces a paper slip that permits the voter to confirm the accuracy of their vote on the EVM. 

How many of the above statements is/are correct?

• Only one
• Only two
• All three
• None of the above

2. Which of the following statements are correct regarding the term ‘Callisto’ which was recently seen in the news?

1. It is the tallest volcano in our solar system and is on the planet Mars.
2. It is Jupiter's second-largest moon and the third-largest moon in our solar system.
3. It is a high-powered laser or microwave weapon designed to either disrupt or damage a satellite developed by the United States of America.
4. It is the largest nuclear-powered Borei-class submarine developed by Russia.

• A
• B
• C
• D

3. With reference to the ‘Leap Second’ consider the following statements:

1. Leap seconds are added periodically to Coordinated Universal Time (UTC) to align it with the Earth's actual rotation time.
2. The primary reason for leap second additions is the irregularity of Earth's rotation, influenced by various factors like the moon's gravitational forces, causing ocean tides.
3. Since its introduction in the early 1970s, 27 leap seconds have been added to UTC

How many of the above statements is/are correct?

• Only One
• Only two
• All three
• None of the above

4. Consider the following statements regarding ‘Bridge Fuel’ which was in the news recently:

1. Bridge fuel is a commonly used term for a fuel that will power society with the least environmental cost while we deploy non-polluting, renewable energy.
2. Its primary objective is to replace natural gas sources and pave the way for a greenhouse gas emission-free future.
3. It plays a crucial role in balancing current energy demands with the long-term goal of achieving a sustainable, renewable energy landscape.

Which of the above statements is/are correct?

• 1 and 2 only
• 3 only
• 1 and 3 only
• 2 and 3 only

5. Consider the following statements about 'Havana Syndrome’ which have been in the news recently due to its link with Russian intelligence agencies:

1. Havana syndrome refers to a set of mental health symptoms that are said to be experienced by United States intelligence and embassy officials in various countries.
2. The exact cause of the syndrome remains unknown, but it has been linked to high-frequency radio-wave transmissions.
3. Currently, there is no known cure for Havana Syndrome.

How many of the above statements is/are correct?

• Only one
• Only two
• All three
• None of the above