HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A type of gas needed by plants for photosynthesis. People and animals create much of this.
A
carbon dioxide
B
oxygen
C
carbon monoxide
D
nitrogen
Explanation: 

Detailed explanation-1: -During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil.

Detailed explanation-2: -Solution: Animals, during respiration, take in oxygen and release carbon dioxide gas. Plants, on the other hand, utilize this carbon dioxide gas in the process of photosynthesis to produce food and release oxygen in the atmosphere.

Detailed explanation-3: -The gas used up is carbon dioxide. The end product obtained by photosynthesis are glucose and oxygen. Oxygen is given out as a waste product during photosynthesis.

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