Q. The Biological Oxygen Demand (BOD) in a heavily polluted water body will be

अत्यधिक प्रदूषित जल निकाय में बायोलॉजिकल ऑक्सीजन डिमांड (बीओडी) होगी

A
Very high
बहुत ऊँचा
B
Very low
बहुत कम
C
Zero
शून्य
D
Negative
नकारात्मक

Explanation

BOD measures the amount of oxygen required by microorganisms to decompose organic matter. Heavily polluted water has more organic waste, so BOD is very high.

BOD सूक्ष्मजीवों द्वारा कार्बनिक पदार्थों को विघटित करने के लिए आवश्यक ऑक्सीजन की मात्रा को मापता है। अत्यधिक प्रदूषित पानी में अधिक कार्बनिक अपशिष्ट होता है, इसलिए BOD बहुत अधिक होता है।

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