प्रकाश संश्लेषी जीवों ने वातावरण में कौन सा बड़ा परिवर्तन किया?
What major change did photosynthetic organisms bring to the atmosphere?
Explanation opens after your attempt
C. ऑक्सीजन की मात्रा बढ़ाईIncreased the amount of oxygen
Concept
Photosynthetic organisms increased oxygen accumulation. Exam tip: treat it as a biological stage of atmospheric evolution.
Why this answer is correct
The correct answer is C. ऑक्सीजन की मात्रा बढ़ाई / Increased the amount of oxygen. Photosynthetic organisms increased oxygen accumulation. Exam tip: treat it as a biological stage of atmospheric evolution.
Exam Tip
प्रकाश संश्लेषी जीवों ने ऑक्सीजन का संचय बढ़ाया। परीक्षा में इसे वातावरण विकास का जैविक चरण मानें।
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