Photosynthesis in plants is a ________ change.

chemical

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physical

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both

A

and

B

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None of the above

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Solution

The correct option is A chemical
Photosynthesis is the process used by plants to produce their food. In this process, light energy is converted into chemical energy.
The chemical reaction which takes place in photosynthesis involves combining of water and carbon dioxide to form glucose and oxygen. Since new chemical species are formed, photosynthesis is clearly a chemical change.

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Similar questions

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Two points in which photosynthesis and respiration in plants are opposite to each other.

(a) In photosynthesis, $C O_{2}$ is consumed while in respiration $C O_{2}$ is given out.
(b) The photosynthesis is a catabolic process while respiration is an anabolic process.

Which is true?

Out of photosynthesis and respiration in plants, which process occurs :
(a) all the time ?
(b) only at daytime ?

Q. Transpiration and photosynthesis in plants is a compromise. Substantiate.

Fill in the blanks:

(a) Green plants are called __________ since they synthesise their own food.

(b) The food synthesised by the plants is stored as __________.

(d) During photosynthesis plants take in ___________and release ___________.

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