1. Which of the following statements about ‘Rudrastra’ of Indian railways are true?
1. ‘Rudrastra’ is the longest passenger train in India.
2. It was formed by coupling six empty BOXN rakes into a single train.
3. The train covered 200 km in 5 hours at an average speed of 40 km/h.
4. Its route included a section on the Dedicated Freight Corridor.
A) 1, 2, and 3 only
B) 2, 3, and 4 only
C) 1 and 4 only
D) 1, 3, and 4 only
2. Which of the following statements are true regarding the CATCH Grant Program?
1. The program is jointly launched by IndiaAI IBD and the National Cancer Grid.
2. Only public hospitals are eligible to apply.
3. Scale-up funding can go up to ₹1 crore for impactful projects.
4. The last date for applications is September 2, 2025.
A) 1 and 2 only
B) 2 and 3 only
C) 1, 3, and 4 only
D) 1, 2, 3, and 4
3. Which of the following statements are true on recent study on dengue and EDE antibodies?
1. EDE-like antibodies are more prevalent in individuals with secondary dengue immunity than in primary immunity cases.
2. The study cohort included only vaccinated children.
3. EDE-like antibodies are strongly correlated with neutralisation of all four dengue serotypes.
4. Both vaccination and natural infection increased EDE-like antibody levels.
A) 1, 2, and 3 only
B) 2, 3, and 4 only
C) 1 and 4 only
D) 1, 3, and 4 only
4. Which of the following statements are true regarding Peacock feathers and rhodamine 6G dye?
1. Peacock feathers can emit laser-like beams after being treated with rhodamine 6G dye.
2. The study found two main emission wavelengths: 574 nm and 583 nm.
3. The experiment was conducted in a Biosafety Level-3 (BSL-3) laboratory.
4. Green feather regions glowed most strongly due to rhodamine 6G’s high absorption of green light.
A) 1, 2, and 4 only
B) 2, 3, and 4 only
C) 1 and 4 only
D) 1, 3, and 4 only
5. Which of the following statements are true regarding BSL-3 lab at Nehru Zoological Park?
1. The upcoming BSL-3 lab at Nehru Zoological Park is the first such in-house facility in southern India.
2. The lab’s focus will include zoonotic diseases, infectious diagnostics, and post-mortem analysis.
3. Currently, all diagnostic samples at NZP are processed within the zoo’s existing laboratories.
4. The BSL-3 lab aligns with India’s “One Health” approach.
A) 1, 2, and 3 only
B) 2, 3, and 4 only
C) 1, 2, and 4 only
D) 1, 3, and 4 only