प्रारंभिक वायुमंडल में मुक्त ऑक्सीजन कम होने का विशेषज्ञ स्तर पर सही कारण क्या है?
What is the correct expert-level reason for low free oxygen in the early atmosphere?
Explanation opens after your attempt
B. क्योंकि तब व्यापक ऑक्सीजन उत्पादक प्रकाश संश्लेषी जीवन विकसित नहीं हुआ थाBecause widespread oxygen-producing photosynthetic life had not yet developed
Concept
Free oxygen increased through later biological development. In exams, do not treat the early atmosphere as the same as the present atmosphere.
Why this answer is correct
The correct answer is B. क्योंकि तब व्यापक ऑक्सीजन उत्पादक प्रकाश संश्लेषी जीवन विकसित नहीं हुआ था / Because widespread oxygen-producing photosynthetic life had not yet developed. Free oxygen increased through later biological development. In exams, do not treat the early atmosphere as the same as the present atmosphere.
Exam Tip
मुक्त ऑक्सीजन बाद के जैविक विकास से बढ़ी। परीक्षा में प्रारंभिक वायुमंडल को वर्तमान वायुमंडल जैसा न मानें।
Login to save your score, XP, coins and progress.