Review answers

Explanation: The MPC voted unanimously to increase the policy repo rate by 25 bps to 5.50 per cent. As a result, the SDF rate stands adjusted at 5.25 per cent, while the MSF rate and the Bank Rate are at 5.75 per cent.

Explanation: The Son rises near Amarkantak, flows north-east and joins the Ganga on its right bank near Patna. The Gomti, Ghaghara and Gandak all join the Ganga from the left (northern) bank.

Explanation: Real GDP growth for 2026-27 was projected at 7.1 per cent, an upward revision of 40 bps. The other figures are the quarterly projections: Q2 at 7.2 per cent, Q3 at 6.9 per cent and Q4 at 6.8 per cent.

Explanation: Simlipal National Park and Tiger Reserve is in Mayurbhanj district of Odisha. Pench is in Madhya Pradesh and Maharashtra, Namdapha is in Arunachal Pradesh, and Periyar is in Kerala.

Explanation: COP31 will be held in Antalya, Türkiye, in November 2026. Belém (Brazil) hosted COP30 and Baku (Azerbaijan) hosted COP29.

Explanation: In winter the retreating north-east monsoon winds pick up moisture over the Bay of Bengal and bring rain to the Tamil Nadu coast. During the south-west monsoon this coast lies in a rain-shadow area. Mango showers are only light pre-monsoon showers.

Explanation: IEW 2027 will be held in Kolkata from 28 to 31 January 2027. As part of the build-up, IndianOil hosted the IEW 2027 Curtain Raiser at IIT Patna.

Explanation: Malaria is caused by Plasmodium and kala-azar by Leishmania, and both are protozoans. Typhoid, cholera and tetanus are caused by bacteria, and dengue by a virus.

Explanation: Under PMGSY-IV, around 62,500 km of all-weather roads are targeted to provide connectivity to 25,000 eligible unconnected habitations. Over the past 25 years, around 8 lakh km of rural roads have been built under PMGSY.

Explanation: TTT-DHTD performed almost as well as platinum as the air-electrode catalyst for the oxygen reduction reaction in zinc–air (Zn–air) batteries. The work was published in Science Advances.