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Given below is a figure of the internal structure of an organelle found in plants cells. Study the figure and answer the following questions :

The figure shows the internal structure of an organelle found in plants cells. Identify the organelle and name the physiological process that occurs in this organelle. Model Question Paper 1, Concise Biology Solutions ICSE Class 10.

(i) Identify the organelle and name the physiological process that occurs in this organelle.

(ii) Label the guidelines 1 and 3 of the figure.

(iii) Write a well balanced equation for the above metabolic process.

Photosynthesis

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Answer

(i) The given organelle is Chloroplast. Photosynthesis occurs in this organelle.

(ii) The labelled guidelines are:

  • 1 → Stroma
  • 2 → Thylokoid
  • 3 → Granum

(iii) Balanced chemical equation representing the process of photosynthesis is given below:

6CO2+12H2Ochlorophylllight energyC6H12O6+6H2O+6O26\text{CO}2 + 12\text{H}2\text{O} \xrightarrow[\text{chlorophyll}]{\text{light energy}} \text{C}6\text{H}{12}\text{O}6 + 6\text{H}2\text{O} + 6\text{O}_2 \uparrow

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