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Question
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
Solution
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The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow
(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants?
Fill in the blank:
Xanthophyll is ______ coloured pigment.
Choose the correct answer:
The process of photosynthesis occurs by _________
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Phloem tissue in the leaf veins.
Complete the following food chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
Explain the Term ATP.
Explain the term Photosynthetic Membrane.
Name the following:
Source of oxygen given out in photosynthesis.
Write the functional activity of the following structure:
Stroma
Answer the following question.
Explain why photosynthesis is considered the most important process in the biosphere.
What will happen if we remove plants from the aquarium?
What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?
Oxygen is produced at what point during photosynthesis?
Why should the light-dependent reaction occur before the light-independent reaction?
Label the diagram with the raw materials and products of photosynthesis.
Guard cells of stomata are green but cannot photosynthesize? Give reason.
An organism A which cannot move from one place to another makes a simple food B from the substances C and D available in the environment. This food is made in the presence of green-colored substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. Does this food give a blue-black color with iodine solution?
a. What is
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- food B?
- food H?
b. What are C and D?
c. Name green-colored substance E and organ F.
d. What is the process G?
