Asked: MPPCS (Pre) 2019medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
कौन-सा प्रदूषण 'नॉक-नी-सिंड्रोम' के लिए उत्तरदायी है?
Which pollutant is responsible for 'Knock-knee Syndrome'?
SELECT CORRECT OPTION:
A
फ्लोराइड
Fluoride
Correct
B
मरकरी/पारा
Mercury
C
आर्सेनिक
Arsenic
D
कैडमियम
Cadmium
Official Solution & Explanation:
Correct Answer: Option A(फ्लोराइड)
जल में अत्यधिक फ्लोराइड की उपस्थिति 'नॉक-नी-सिंड्रोम' (गेनु वैलगम) और फ्लोरोसिस का कारण बनती है, जिससे अस्थियां कमजोर और विकृत हो जाती हैं।
Excess fluoride in drinking water causes skeletal fluorosis, manifesting as Knock-knee syndrome (Genu valgum) and deformed limbs.
Subject: General Science•Topic: Diseases and Treatment•Subtopic: Diseases and Treatment
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