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Question
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis
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Solution
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RELATED QUESTIONS
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.
Answer the following:
Give the overall chemical equation of photosynthesis in green plants.
Fill in the blank:
Xanthophyll is ______ coloured pigment.
Name the following:
The organisms that can be called "natural purifiers" of the air.
What is the importance of photosynthesis in the life of the following:
Green plants
What is the importance of photosynthesis in the life of the following:
Animals
Write the functional activity of the following structure:
Chloroplasts
Planting trees help in decreasing global warming.
Where do the light-dependent reaction and the Calvin cycle occur in the chloroplast?
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
