Which gas is used to extract energy from food in respiration...? Mcqs

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💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which gas is used to extract energy from food in respiration...?

(A) CO2
(B) N2

(C) O2
(D) H2

✅ Correct Answer: O2

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which gas is used to extract energy from food in photosynthesis...?

(A) O2 (Oxygen)
(B) CO2 (Carbon Dioxide)

(C) H2O (Water)
(D) N2 (Nitrogen)

✅ Correct Answer: CO2 (Carbon Dioxide)

Comments

Source: This question is taken from the Everyday Science

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