1) With reference to INS Mangrol, recently delivered to the Indian Navy, consider the following statements:

1. It is the third of eight Anti?Submarine Warfare Shallow Water Crafts (ASW?SWC) being built by Cochin Shipyard Limited.
2. It is equipped with DRDO’s Abhay hull?mounted sonar and a towed low?frequency variable?depth sonar.
3. The ASW?SWC programme is designed to replace Soviet?origin Abhay?class corvettes.

Which of the above are correct?

2) Scientists recently discovered Psammophaga holzmannae and Psammophaga sinhai. These organisms are:

a. Marine crustaceans found in deep ocean trenches.

b. Single?celled benthic foraminifera that ingest sand particles to build protective tests.

c. Freshwater algae used as bio?fertilizers.

d. Marine mollusks used in pearl formation.

3) The Neil Gehrels Swift Observatory, subject of NASA’s Swift Boost Mission, is primarily designed to:

a. Monitor Earth’s weather systems.

b. Detect and study Gamma?Ray Bursts (GRBs).

c. Provide continuous communication services.

d. Track near?Earth asteroids for planetary defense.

4) The ICAR?NRCB recently released two new banana varieties. Which of the following is correctly matched?

a. Kaveri Thangam – Biofortified with Provitamin A, golden yellow pulp.

b. Kaveri Nadan – Shelf life of 15 days, resistant to banana weevils.

c. Kaveri Thangam – High yield up to 75 tonnes per hectare.

d. Kaveri Nadan – Rich in Provitamin A, premium aroma.

5) With reference to India’s AK?203 ‘Sher’ rifle, consider the following statements:

1. It is produced at Korwa ordnance factory, Amethi by Indo?Russian Rifles Pvt Ltd.
2. It is built with 100% Indian components and materials.
3. It has a firing rate of 700 rounds per minute and an effective range of 800 metres.

Which of the above are correct?