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प्रश्न
Choose the correct answer:
Which of the following gas is used in photosynthesis?
विकल्प
Oxygen
Hydrogen
Nitrogen
Carbon dioxide
उत्तर
Carbon dioxide
APPEARS IN
संबंधित प्रश्न
Cytoplasm : Cytokinesis : : Nucleus : __________
Identify the odd one in each set : Transpiration, Photosynthesis, Phagocytosis, Guttation
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Give a balanced chemical equation to represent the process of photosynthesis.
Name the following:
The category of organisms that prepare their own food from basic raw materials.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
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.
Oxygen given out during photosynthesis comes from water. Explain this statement.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A variegated leaf (one that has green as well as white patches) will only photosynthesize in the green areas.
Write the functional activity of the following structure:
Stroma
Choose the Correct Answer:
Which would do maximum harm to a tree?
Which one of the following is a primary producer?
During photosynthesis, ________ is produced and stored in the leaf.
When iodine solution is added for testing starch, part of the leaf with ______ turns a blue-black color.
Draw the structure of the stomata and label the parts.
Mention four factors required for photosynthesis?
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
- organism A
- 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?
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.
