IASbaba Daily Prelims Quiz
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The Current Affairs questions are based on sources like ‘The Hindu’, ‘Indian Express’ and ‘PIB’, which are very important sources for UPSC Prelims Exam. The questions are focused on both the concepts and facts. The topics covered here are generally different from what is being covered under ‘Daily Current Affairs/Daily News Analysis (DNA) and Daily Static Quiz’ to avoid duplication. The questions would be published from Monday to Saturday before 2 PM. One should not spend more than 10 minutes on this initiative.
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Question 1 of 5
1. Question
Q.1) In a myopic (nearsighted) eye, where is the image of a distant object formed, and which type of lens is used to correct it?
Correct
Q.1) Solution (c)
Explanation:
- In a myopic (nearsighted) eye, the eyeball is too long from front to back. Light entering the eye is focused too far forward – in front of the retina (rather than on its surface).
- This makes distant objects appear blurry while close objects look clear. Myopia is corrected using concave (minus power) lenses, which diverge light rays so they focus on the retina.
- In a normal eye, light focuses on the retina. Hyperopia (farsightedness) is corrected with convex lenses. High myopia (refractive error of -6 dioptres or greater) is associated with retinal detachment, myopic macular degeneration, glaucoma, and early cataract formation.
Options (a), (b), and (d) are incorrect. UPSC tests this optics concept.
Why this question?
Tests the optics of myopia correction – a core Science concept.Why important for UPSC?
Optics and human eye appear in General Science (Prelims 2015, 2018, 2020, 2022).Incorrect
Q.1) Solution (c)
Explanation:
- In a myopic (nearsighted) eye, the eyeball is too long from front to back. Light entering the eye is focused too far forward – in front of the retina (rather than on its surface).
- This makes distant objects appear blurry while close objects look clear. Myopia is corrected using concave (minus power) lenses, which diverge light rays so they focus on the retina.
- In a normal eye, light focuses on the retina. Hyperopia (farsightedness) is corrected with convex lenses. High myopia (refractive error of -6 dioptres or greater) is associated with retinal detachment, myopic macular degeneration, glaucoma, and early cataract formation.
Options (a), (b), and (d) are incorrect. UPSC tests this optics concept.
Why this question?
Tests the optics of myopia correction – a core Science concept.Why important for UPSC?
Optics and human eye appear in General Science (Prelims 2015, 2018, 2020, 2022). -
Question 2 of 5
2. Question
Q.2) Lake Kariba, the world‘s largest man-made lake by volume, is located on the border of which two countries?
Correct
Q.2) Solution (a)
Explanation:
- Lake Kariba is the world‘s largest man-made lake by volume (not by surface area – Lake Volta in Ghana is larger by area).
- It is located on the border of Zambia and Zimbabwe in the Zambezi River Valley. It was created by the Kariba Dam on the Zambezi River.
- The dam is operated by the Zambezi River Authority (jointly owned by Zambia and Zimbabwe) and is primarily used for hydroelectric power generation, also supporting fishing, tourism, and wildlife conservation.
- After a decade of erratic rains and heatwaves, water levels have risen steadily since March 2026, reaching usable storage for electricity generation for the first time since 2019.
Options (b), (c), and (d) are incorrect. UPSC tests this location.
Why this question?
Tests the location of Lake Kariba – a direct Geography fact.Why important for UPSC?
World geography and man-made lakes appear in Geography (Prelims 2015, 2018, 2020, 2022).Incorrect
Q.2) Solution (a)
Explanation:
- Lake Kariba is the world‘s largest man-made lake by volume (not by surface area – Lake Volta in Ghana is larger by area).
- It is located on the border of Zambia and Zimbabwe in the Zambezi River Valley. It was created by the Kariba Dam on the Zambezi River.
- The dam is operated by the Zambezi River Authority (jointly owned by Zambia and Zimbabwe) and is primarily used for hydroelectric power generation, also supporting fishing, tourism, and wildlife conservation.
- After a decade of erratic rains and heatwaves, water levels have risen steadily since March 2026, reaching usable storage for electricity generation for the first time since 2019.
Options (b), (c), and (d) are incorrect. UPSC tests this location.
Why this question?
Tests the location of Lake Kariba – a direct Geography fact.Why important for UPSC?
World geography and man-made lakes appear in Geography (Prelims 2015, 2018, 2020, 2022). -
Question 3 of 5
3. Question
Q.3) Consider the following statements regarding Ethiopia and its WTO accession process:
- Ethiopia is a landlocked country located in the Horn of Africa, with its capital Addis Ababa serving as the headquarters of the African Union (AU).
- The Blue Nile, which originates from Lake Tana in Ethiopia, is a major tributary of the Nile River.
- India and Ethiopia signed a bilateral accession protocol for Ethiopia‘s WTO membership in Geneva on May 23, 2026.
- India is Ethiopia’s largest trading partner.
Which of the statements given above is/are correct?
Correct
Q.3) Solution (a)
Explanation:
- Statement 1 is correct: Ethiopia is a landlocked country in the Horn of Africa, and its capital Addis Ababa is the headquarters of the African Union (AU).
- Statement 2 is correct: The Blue Nile, a major tributary of the Nile River, originates from Lake Tana in Ethiopia.
- Statement 3 is correct: India and Ethiopia signed the bilateral accession protocol for Ethiopia‘s WTO membership in Geneva on May 23, 2026.
- Statement 4 is incorrect: India is Ethiopia’s second-largest trading partner (not largest). Indian companies are among the leading foreign investors in Ethiopia (agriculture, manufacturing, pharmaceuticals, infrastructure).
Bilateral relations between India and Ethiopia were elevated to a Strategic Partnership during PM Modi’s visit to Ethiopia in December 2025. Option (a) is correct. UPSC tests this second-largest rank.
Why this question?
Tests India‘s rank as Ethiopia’s second-largest trading partner – a factual trap.Why important for UPSC?
India-Africa relations and WTO accession appear in IR and Economy (Prelims 2024, 2026).Incorrect
Q.3) Solution (a)
Explanation:
- Statement 1 is correct: Ethiopia is a landlocked country in the Horn of Africa, and its capital Addis Ababa is the headquarters of the African Union (AU).
- Statement 2 is correct: The Blue Nile, a major tributary of the Nile River, originates from Lake Tana in Ethiopia.
- Statement 3 is correct: India and Ethiopia signed the bilateral accession protocol for Ethiopia‘s WTO membership in Geneva on May 23, 2026.
- Statement 4 is incorrect: India is Ethiopia’s second-largest trading partner (not largest). Indian companies are among the leading foreign investors in Ethiopia (agriculture, manufacturing, pharmaceuticals, infrastructure).
Bilateral relations between India and Ethiopia were elevated to a Strategic Partnership during PM Modi’s visit to Ethiopia in December 2025. Option (a) is correct. UPSC tests this second-largest rank.
Why this question?
Tests India‘s rank as Ethiopia’s second-largest trading partner – a factual trap.Why important for UPSC?
India-Africa relations and WTO accession appear in IR and Economy (Prelims 2024, 2026). -
Question 4 of 5
4. Question
Q.4) Egocentric data collection, for which India has emerged as a global hotspot, involves:
Correct
Q.4) Solution (b)
Explanation:
Egocentric data refers to first-person video and sensor recordings captured from the perspective of the person performing a task, using cameras attached to the head, chest, or wrist of workers.
This data is used to train robotics and embodied AI systems, including Vision-Language-Action (VLA) models for humanoid robots. India has become a major global centre due to inexpensive labour and relatively weak worker protections.
The process involves: (1) data collection (workers wearing head-mounted cameras recording real-world activity), (2) data annotation (manual labelling of actions), and (3) AI training. Concerns raised include job displacement fears, lack of compensation, consent issues, and privacy.
Option (b) is correct. Options (a), (c), and (d) are incorrect. UPSC tests this definition.
Why this question?
Tests the definition of egocentric data – a current Science & Tech and Ethics fact.
Why important for UPSC?
AI data collection, privacy, and labour rights appear in Science & Tech and Governance (Prelims 2024, 2026).Incorrect
Q.4) Solution (b)
Explanation:
Egocentric data refers to first-person video and sensor recordings captured from the perspective of the person performing a task, using cameras attached to the head, chest, or wrist of workers.
This data is used to train robotics and embodied AI systems, including Vision-Language-Action (VLA) models for humanoid robots. India has become a major global centre due to inexpensive labour and relatively weak worker protections.
The process involves: (1) data collection (workers wearing head-mounted cameras recording real-world activity), (2) data annotation (manual labelling of actions), and (3) AI training. Concerns raised include job displacement fears, lack of compensation, consent issues, and privacy.
Option (b) is correct. Options (a), (c), and (d) are incorrect. UPSC tests this definition.
Why this question?
Tests the definition of egocentric data – a current Science & Tech and Ethics fact.
Why important for UPSC?
AI data collection, privacy, and labour rights appear in Science & Tech and Governance (Prelims 2024, 2026). -
Question 5 of 5
5. Question
Q.5) Assertion (A): Outdoor exposure of at least 2 hours per day is recommended for primary prevention of myopia in children.
Reason (R): Bright outdoor light stimulates retinal dopamine release, which inhibits excessive axial elongation of the eyeball.Select the correct answer using the codes given below:
Correct
Q.5) Solution (a)
Explanation:
Both A and R are true, and R explains the biological mechanism behind the recommendation.- Assertion A is true: At least 2 hours of outdoor activity per day is recommended for the primary prevention of myopia (before onset).
- Reason R is true: Bright outdoor light stimulates retinal dopamine release, which inhibits excessive axial elongation (the eyeball growing too long from front to back). The longer the eyeball, the more severely nearsighted a person becomes.
In India, myopia among urban children has increased from 4.44% (1999) to 21.15% (2019) and is projected to rise to nearly 48% by 2050. By 2050, nearly half the world‘s population (4.75 billion people) is projected to be myopic. Environmental factors driving the pandemic include increased near work, reduced outdoor time, smartphone exposure from very early age, academic coaching culture, and COVID-19 normalising online classes. The 20-20-20 rule is another preventive measure. Option (a) is correct. UPSC tests this dopamine mechanism.
Why this question?
Tests the biological mechanism (retinal dopamine) for myopia prevention – a current Health and Science fact.Why important for UPSC?
Public health and preventive healthcare appear in Social Justice and Science & Tech (Prelims 2024, 2026).Incorrect
Q.5) Solution (a)
Explanation:
Both A and R are true, and R explains the biological mechanism behind the recommendation.- Assertion A is true: At least 2 hours of outdoor activity per day is recommended for the primary prevention of myopia (before onset).
- Reason R is true: Bright outdoor light stimulates retinal dopamine release, which inhibits excessive axial elongation (the eyeball growing too long from front to back). The longer the eyeball, the more severely nearsighted a person becomes.
In India, myopia among urban children has increased from 4.44% (1999) to 21.15% (2019) and is projected to rise to nearly 48% by 2050. By 2050, nearly half the world‘s population (4.75 billion people) is projected to be myopic. Environmental factors driving the pandemic include increased near work, reduced outdoor time, smartphone exposure from very early age, academic coaching culture, and COVID-19 normalising online classes. The 20-20-20 rule is another preventive measure. Option (a) is correct. UPSC tests this dopamine mechanism.
Why this question?
Tests the biological mechanism (retinal dopamine) for myopia prevention – a current Health and Science fact.Why important for UPSC?
Public health and preventive healthcare appear in Social Justice and Science & Tech (Prelims 2024, 2026).
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