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प्रश्न
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
उत्तर
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संबंधित प्रश्न
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
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.
Expand the following biological abbreviations: ATP
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis occurs in underground organs as well as in aerial ones.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis results in a gain in dry weight.
Fill in the blank:
Photosynthesis produces oxygen and ______.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
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:
Non-green plants
What is the law of limiting factors?
Complete the following food chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Land plants obtain their CO2 from the atmosphere.
Write the functional activity of the following structure:
Chloroplasts
What will happen if you breathe through mouth?
Where do the light-dependent reaction and the Calvin cycle occur in the chloroplast?
A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to ______.
The raw materials for photosynthesis are ______ and ______.
What is the end product of photosynthesis?
