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प्रश्न
Give suitable biological reasons for the following statement :
All life on Earth is supported by Photosynthesis.
उत्तर
Photosynthesis is ultimately the source of energy and food for all living beings i.e. directly for plants and indirectly for animals.
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संबंधित प्रश्न
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
What is meant by photosynthesis? Why is it so important in nature?
Name the following:
The principle site in a green leaf for photosynthesis.
Name the following:
The products that are formed as a result of photosynthesis.
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
Choose the correct answer:
Which one of the following is the best reason for leaving a plant in a dark place before carrying out experiments on photosynthesis?
Which one chemical reaction occurs during photosynthesis?
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants are consumers.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
Oxygen given out during photosynthesis comes from water. Explain this statement.
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Choose the correct option.
The net result of photo-oxidation of water is release of ______.
Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
______ is ATP factory of the cells.
The swollen basal part of the ______ pistil is the which bears the ______.
During photosynthesis, plants exhale ______.
