1. In an experiment on photosynthesis, students were instructed to cover a portion of a leat or a uetan
potted plant with opaque paper as shown in the figure. 'A' covered one of the leaves with red strip, 'B'
with green, 'C' with blue and 'D' with black. When the starch test was done on the leaves after 4 hours,
the result showed no starch in:
Answers
Answer:D
Explanation:
This is because black absorbs most of the light falling on it. This prevents any considerable amount of light from reaching the leaves, thus affecting photosynthesis.
Answer:
It suggests that black may be a color of light that is not conducive to photosynthesis.
Explanation:
In an experiment on photosynthesis, students were instructed to cover a portion of a leaf or a potted plant with opaque paper. The purpose of this experiment was to investigate the role of different colors of light in photosynthesis.
Four leaves were covered with different colored strips of paper - red, green, blue, and black. After 4 hours, a starch test was conducted on the leaves to see whether or not they had undergone photosynthesis.
The results of the experiment showed that the leaves covered with red, green, and blue strips all had starch, indicating that photosynthesis had occurred in those areas. However, the leaf covered with the black strip did not have any starch, indicating that no photosynthesis had occurred in that area.
This experiment demonstrates that plants require light in order to carry out photosynthesis, and that different colors of light may have different effects on the process. In particular, it suggests that black may be a color of light that is not conducive to photosynthesis.
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