At night plants take in X and animals take in Y, during breathing. Select the option that correctly identifies X and Y.
X | Y | |
A | Oxygen | Oxygen |
B | Carbon dioxide | Carbon dioxide |
C | Carbon dioxide | Oxygen |
D | Oxygen | Carbon dioxide |
It was a little tricky .
Ans 10:
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Ans 12:
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Class : Class 4
But according to recent studies during photosynthesis plants take in carbondioxide and release oxygen due to which animals and humans are able to breathe oxygen . So , there i some error in the robotic system of SOF Olympiad Trainer . Even if you chose C but they show the correct answer is A you needn't worry as you can report the error using the button next to the one that opens this chat