प्रारंभिक वायुमंडल में मुक्त ऑक्सीजन कम होने का सबसे वैज्ञानिक कारण क्या है?
What is the most scientific reason for low free oxygen in the early atmosphere?
Explanation opens after your attempt
Correct Answer
A. व्यापक प्रकाश संश्लेषी जीवन तब विकसित नहीं हुआ थाWidespread photosynthetic life had not developed then
Concept
Free oxygen increased later through biological processes. In exams, do not treat the early atmosphere like the present one.
Why this answer is correct
The correct answer is A. व्यापक प्रकाश संश्लेषी जीवन तब विकसित नहीं हुआ था / Widespread photosynthetic life had not developed then. Free oxygen increased later through biological processes. In exams, do not treat the early atmosphere like the present one.
Exam Tip
मुक्त ऑक्सीजन बाद में जैविक प्रक्रियाओं से बढ़ी। परीक्षा में प्रारंभिक वायुमंडल को वर्तमान जैसा न मानें।
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