Question

Тог
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2.
3.
1. Project
Take a potted plant with broad
leaves. Take two strips of black
paper and cut out a small square
in the centres. Cover a part of two
leaves with these papers and secure
them with paper clips (Fig. 1.9).
Keep the plant in sunlight for 2-5
days. Observe the difference in the
colour of the covered and the
uncovered portions on the leaf.
Perform iodine test on this leaf. Did
Fig. 1.9 Experiment to test the
the two parts show different
occurrence of photosynthesis
results? Now take second leaf.
Remove the strip and expose the covered part to the sunlight for 2-3
days and do the iodine test again. Describe your
observations.
2. Visit a green house if there is one near your place. Observe how they
grow plants. Find out how they regulate the amount of light, water and
carbon dioxide to grow the plants.
3. Try growing a sweet potato just in water. Describe your experiment and
observations.
You can read more on the following website:
www.phschool.com/science/biology_place/biocoach/photosynth/
overview.htm
4.
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break
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Answer 1

Answer:

but what are u asking , tell clearly