APTI PLUS Academy For Civil Services

𝐃𝐀𝐈𝐋𝐘 𝐏𝐑𝐄𝐋𝐈𝐌𝐒 𝐏𝐘𝐐 | 𝟎𝟏𝐬𝐭 𝐉𝐮𝐧𝐞 𝟐𝟎𝟐𝟔

Every page you read, every answer you write, and every hour you invest brings you one step closer to your goal. Don't stop when you're tired. Stop when you're done.

A Huge Response to the All Odisha OAS 25 Prelims Open Mock Test! The All Odisha OAS 25 Prelims Open Mock Test, conducted on 31st May 2026 at our Bhubaneswar Centre, witnessed an overwhelming participation from OAS aspirants across Odisha. The enthusiastic response reflects the trust that serious civil services aspirants place in APTI PLUS for quality guidance, exam-oriented preparation, and a competitive learning environment. 📚 Thank you to all the aspirants who participated and took a step closer to their OAS dream. APTI PLUS – Trusted by Serious Aspirants. Driven by Results. #OPSC #OAS2026 #OpenMockTest #APTIPLUS #Bhubaneswar #CivilServicesPreparation #OPSCPreparation #OASAspirants #OdishaCivilServices #CompetitiveExams #APTIPLUSBhubaneswar

It belongs to the Ericaceae family. It is a wild relative of blueberry species. It was recently rediscovered in the Western Ghats after 188 years. Which of the statements given above is/are correct? (a) 1 and 3 only (b) 2 only (c) 1 and 2 only (d) 1, 2 and 3 Answer: (c) Explanation: Vaccinium piliferum belongs to the Ericaceae family, which also includes blueberries and cranberries. Therefore, Statement 1 is correct. The species is recognized as a rare wild relative of blueberry species. Hence, Statement 2 is correct. The plant was rediscovered in Arunachal Pradesh in the Eastern Himalayas and not in the Western Ghats. Thus, Statement 3 is incorrect. The species had not been scientifically recorded for nearly 188 years and is currently listed as Endangered by the IUCN.

Mega Quiz Correct Answer with Explanation Q1. Consider the following statements regarding Babesia: Babesia infects the red blood cells of its host. It is primarily transmitted by Ixodes ticks. Babesiosis spreads easily from one infected person to another through casual contact. Which of the statements given above are correct? (a) 1 and 2 only (b) 2 and 3 only (c) 1 only (d) 1, 2 and 3 Answer: (a) Explanation: Babesia is a genus of microscopic protozoan parasites that invade and multiply within red blood cells (RBCs) of animals and humans. Therefore, Statement 1 is correct. The disease is mainly transmitted through the bite of infected Ixodes ticks, commonly known as deer ticks. These ticks are also vectors for Lyme disease. Hence, Statement 2 is correct. Babesiosis is generally not contagious between humans through casual contact. Rare transmission may occur through blood transfusion or from a pregnant mother to the fetus. Therefore, Statement 3 is incorrect. The disease is more common in animals such as cattle and dogs, though human infections occur in regions with significant tick populations. Q2. Consider the following statements regarding the Mekedatu Project: It is proposed at the confluence of the Cauvery and Arkavathi rivers. The project aims to provide drinking water and generate hydroelectric power. The proposed reservoir is located in Tamil Nadu. Which of the statements given above is/are correct? (a) 1 and 2 only (b) 1 only (c) 2 and 3 only (d) 1, 2 and 3 Answer: (a) Explanation: The Mekedatu Project is proposed near Kanakapura in Karnataka at the confluence of the Cauvery River and its tributary Arkavathi. Hence, Statement 1 is correct. It is conceived as a multipurpose project intended to supply drinking water to Bengaluru while also generating approximately 400 MW of hydroelectric power. Therefore, Statement 2 is correct. The project site lies in Karnataka and not Tamil Nadu. Thus, Statement 3 is incorrect. The project has become a major inter-state issue because Tamil Nadu fears that storage of water upstream could affect downstream flows into the state. Q3. Consider the following statements regarding INS Kolkata: It is the lead ship of the Kolkata-class guided missile destroyers. It was commissioned into the Indian Navy in 2014. It was constructed by Cochin Shipyard Limited. Which of the statements given above is/are correct? (a) 1 only (b) 1 and 2 only (c) 2 and 3 only (d) 1, 2 and 3 Answer: (b) Explanation: INS Kolkata is the lead ship of the indigenously designed Kolkata-class (Project 15A) guided missile destroyers. Therefore, Statement 1 is correct. The ship was commissioned into the Indian Navy in 2014. Hence, Statement 2 is correct. INS Kolkata was built by Mazagon Dock Limited, Mumbai, and not by Cochin Shipyard Limited. Thus, Statement 3 is incorrect. The vessel possesses advanced anti-air, anti-surface, and anti-submarine warfare capabilities and can operate two helicopters. Q4. Consider the following statements regarding Interfilum shuklaii: It is a newly discovered species of green algae. It was discovered in the Western Ghats of Kerala. It belongs to the family Chlorophyceae. Which of the statements given above is/are correct? (a) 1 and 2 only (b) 1 only (c) 2 and 3 only (d) 1, 2 and 3 Answer: (a) Explanation: Interfilum shuklaii is a newly identified species of green algae discovered in the forests of Kerala’s Western Ghats. Therefore, Statements 1 and 2 are correct. The species belongs to the family Klebsormidiaceae under the order Klebsormidiales and not to Chlorophyceae. Hence, Statement 3 is incorrect. It is the first reported discovery of the genus Interfilum from India and has potential applications in biotechnology, carbon sequestration, and space life-support systems. Q5. Consider the following statements regarding Vaccinium piliferum:

Q5. Consider the following statements regarding Vaccinium piliferum: It belongs to the Ericaceae family. It is a wild relative of blueberry species. It was recently rediscovered in the Western Ghats after 188 years.

Q4. Consider the following statements regarding Interfilum shuklaii: It is a newly discovered species of green algae. It was discovered in the Western Ghats of Kerala. It belongs to the family Chlorophyceae.

Q3. Consider the following statements regarding INS Kolkata: It is the lead ship of the Kolkata-class guided missile destroyers. It was commissioned into the Indian Navy in 2014. It was constructed by Cochin Shipyard Limited.

Q2. Consider the following statements regarding the Mekedatu Project: It is proposed at the confluence of the Cauvery and Arkavathi rivers. The project aims to provide drinking water and generate hydroelectric power. The proposed reservoir is located in Tamil Nadu.