Question

Photosynthesis takes place in the chloroplast was reported by

• A. Saussure
• B. Engelmann
• C. J. Sachs
• D. Mayer

Answer 1

The correct option is C

J. Sachs

The correct option is C.

Explanation of the correct option:

1. Photosynthesis is the process by which green plants manufacture carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll.
2. The German scientist Julius Sachs reported that photosynthesis takes place in the chloroplast of the green leaves which contain chlorophyll, in the presence of sunlight.
3. He reported that the carbon dioxide assimilation takes place in the chloroplasts, which is, thus, the site of photosynthesis.

Explanation of the incorrect option:

Option A:

Saussure demonstrated that the carbon assimilated from atmospheric carbon dioxide cannot fully account for the increase in the dry weight of a plant.

Option B:

Engelmann found that the process of photosynthesis is dependent on the wavelength of light.

Option D:

Julius Mayer recognized the role of light as the source of energy in photosynthesis.

Final Answer: Photosynthesis takes place in the chloroplast was reported by J. Sachs.