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Photosynthesi...

Question

Photosynthesis reaction is carried out in a plant. Whether work is done or not?

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Solution

No, work is not done. Since in Photosynthesis reaction no distance is covered by the plant in this process. Work done is zero.

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Q. Question 1
Look at the activities listed below. Reason out whether or not work is done in the light of your understanding of the term 'work'.
• Suma is swimming in a pond.
• A donkey is carrying a load on its back.
• A wind mill is lifting water from a well.
• A green plant is carrying out photosynthesis.
• An engine is pulling a train.
• Food grains are getting dried in the sun.
• A sailboat is moving due to wind energy.

Q. Look at the activities listed below. Reason out whether work is done or not done in the light of your understanding of the term 'work'.
(a) Suma is swimming in a pond.
(b) A donkey is carrying a load on its back.
(c) A windmill is lifting water from a well.
(d) A green plant is carrying out photosynthesis.
(e) An engine is pulling a train.
(f) Food grains are getting dried in the sun.
(g) A sailboat is moving due to wind energy.

Q. Look at the activities listed below. Reason out whether or not work is done in the light of your understanding of the term 'work'.
(A). Suma is swimming in a pond.
(B). A donkey is carrying a load on its back.
(C). A wind-mill is lifting water from a well.
(D). A green plant is carrying out photosynthesis.
(E). An engine is pulling a train.
(F). Food grains are getting dried in the sun.
(G). A sailboat is moving due to wind energy.

Q. Which reaction in photosynthesis is carried out by 'Rubisco'

Q. State whether true or false.

Like all other living organisms, even plants need the energy to carry out their metabolic processes. This energy is derived directly from sunlight during photosynthesis.

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