Which gas do plants mainly take in for photosynthesis?
Answer and explanation
Correct answer: Carbon dioxide
The governing concept is the raw-material requirement of photosynthesis. Plants take in carbon dioxide from the atmosphere through stomata, while water comes mainly from the roots. Using light energy and chlorophyll, carbon dioxide contributes carbon to the carbohydrates formed. Thus option A is correct; oxygen is mainly released as a product, and nitrogen or hydrogen gas is not the principal gas taken in for this process.
Frequently asked questions
What is the correct answer to this question?
Carbon dioxide
Why is this the correct answer?
The governing concept is the raw-material requirement of photosynthesis. Plants take in carbon dioxide from the atmosphere through stomata, while water comes mainly from the roots. Using light energy and chlorophyll, carbon dioxide contributes carbon to the carbohydrates formed. Thus option A is correct; oxygen is mainly released as a product, and nitrogen or hydrogen gas is not the principal gas taken in for this process.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Carbon and its Compounds. Topic: Covalent bonding.
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