Asked: U.P.P.C.S. (Pre) 2019medium Level
ID: 6aeba3c83b345304a2744dba
QUESTION STATEMENT:द्विभाषी / Bilingual
निम्नलिखित में से कौन-सा वायु प्रदूषण के जैविक सूचक का प्रसिद्ध उदाहरण है?
Which of the following is a well-known example of a bio-indicator of air pollution?
SELECT CORRECT OPTION:
A
लाइकेन्स
Lichens
Correct
B
मेथिल मरक्यूरिक
Methyl mercuric
C
गुलाब का पौधा
Rose plant
D
सूरजमुखी का पुष्प
Sunflower
Official Solution & Explanation:
Correct Answer: Option A(लाइकेन्स)
लाइकेन्स (Lichens) वायु प्रदूषण के सबसे प्रसिद्ध और विश्वसनीय जैविक सूचक (Biological indicators) हैं।
Lichens are internationally recognized as classical biological indicators for monitoring airborne contaminants and sulfur emissions.
Subject: Environment & Ecology•Topic: Pollution & Its Types•Subtopic: Air Pollution & Particulate Matter
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