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प्रश्न
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
उत्तर
Light is the factor.
APPEARS IN
संबंधित प्रश्न
Cytoplasm : Cytokinesis : : Nucleus : __________
Give appropriate biological/technical terms for the following:
An apparatus that measures the rate of water uptake in a cut shoot due to transpiration.
The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.
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?
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
Name the following:
The products that are formed as a result of photosynthesis.
Name the following:
The organisms that can be called "natural purifiers" of the air.
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
Complete the following sentence with appropriate word:
A plant that does not perform photosynthesis is _______.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The raw materials for photosynthesis include water and CO2.
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
Choose the correct option.
The net result of photo-oxidation of water is release of ______.
The raw materials for photosynthesis are ______ and ______.
Name the minute openings seen on the lower surface of the leaf.
Label the diagram with the raw materials and products of photosynthesis.
Define the following term:
Photolysis of water
