Explanation
- A
Japan
Japan has iodine from seaweed and brine, but it is not keyed as the world’s leading producer. Japanese output is a Pacific distractor, not the official first rank.
- B
United States of America
The United States produces iodine from brines (for example Oklahoma) yet is not the stored world leader. Do not equate a large industrial consumer with the keyed producer.
- C
Chile
(c) Official key: Chile is keyed as the world’s leading iodine producer. Caliche (nitrate) ores of the Atacama have long supplied most mined iodine. Among Japan, the USA, Chile and China, Chile is the official leader.
- D
China
China is a major chemical manufacturer and iodine user, not this paper’s keyed top producer. Manufacturing scale is not the same as caliche-mine leadership.
Summary. Official key is (c). World iodine leadership in this question is Chile’s Atacama caliche, not East Asian processing or US brine. Japan, the USA and China are real industry names but not the stored first producer. Keep Chile. The official letter is (c).
Same topic · past papers
UPPSC has asked this before
These previous-year questions sit on the same topic. Open one to practise the earlier ask.
-
2025 · Q34 · UPPGS
With reference to 'Uttar Pradesh, which of the following statements is/are correct? 1. Uttar Pradesh is the leading producer of potato in the country. 2. Government of India has approved for establishment of South Asia Regional Centre of International Potato Centre at Aligarh. Select the correct answer from the code given below: -
2022 · Q2 · UPPGS
Which two of the following States are the leading producers of iron ore in India as per the Annual Report of the Ministry of Mines 2021-22? (1) Odisha (2) Chhattisgarh (3) Jharkhand (4) Karnataka. Select the correct answer from the code given below. -
2022 · Q41 · UPPGS
Given below are two statements, one is labelled as Assertion (A) : and the other as Reason (R). Assertion (A): Chile is the leading producer of copper in the world. Reason (R): Andes Region of North Chile is enriched with the largest deposites of Porphyry copper. Select the correct answer from the code given below: