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प्रश्न
What are the basic requirements of photosynthesis?
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उत्तर
The basic requirements of photosynthesis are:
- Solar energy from the sun.
- Green chlorophyll.
- Carbon dioxide from the air.
- Water.
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संबंधित प्रश्न
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
What is meant by photosynthesis? Why is it so important in nature?
Name the following:
Three organisms that cannot prepare their own food by photosynthesis.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
The raw materials for photosynthesis include water and carbon dioxide.
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 |
Are the following statement true or false? Give a reason in support of your answer.
Photosynthesis is considered as a process supporting all life on earth.
What is the importance of photosynthesis in the life of the following:
Non-green plants
The figure given below is for performing an experiment on photosynthesis.
Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Label the diagram with the raw materials and products of photosynthesis.
