Question

Plant absorb ________ to make their own food.

• A. oxygen
• B. carbon dioxide
• C. nitrogen
• D. none of the above

Answer 1

The correct option is B carbon dioxide

Plants make their own food by the process of photosynthesis. To carry out photosynthesis, plants need carbon dioxide, water, and nutrients. The process of photosynthesis takes place only in the presence of sunlight, and oxygen is given out as a by-product.

Hence the option B is correct.