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Question

Light energy is converted into chemical energy in the presence of


A

Pyrenoids

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B

Chloroplasts

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C

Ribosomes

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D

Mesosomes

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Solution

The correct option is B

Chloroplasts


The correct option is B

Explanation of the correct option:

  1. The electromagnetic energy of sunlight is transformed into chemical energy in the chlorophyll-containing cells of photosynthetic organisms.
  2. These processes take place in the chloroplast organelle of eukaryotic cells.
  3. Chlorophyll is the pigment that absorbs sunlight in the chloroplast.

Explanation of the incorrect option:

Option A:

  1. The pyrenoid is a microcompartment found in the chloroplasts of algae and hornworts.
  2. It has been shown to boost photosynthetic CO2 fixation through the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO).

Option C:

A ribosome is an intercellular structure composed of RNA and protein that functions as the protein production center of the cell.

Option D:

A bacterial organelle that appears as an invagination of the plasma membrane and functions in either DNA replication and cell division or exoenzyme excretion.

Final answer: Light energy is converted into chemical energy in the presence of Chloroplasts.


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