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प्रश्न
The figure given below represents the vertical section of a leaf.
( i) Name the parts labeled 1 to 5.
( ii ) What do the two arrows (dotted and solid) indicate in the daytime and at night?
( iii) Could you add one more arrow in the figure? If yes, what for?
( iv) How many leaf veins have been shown in this section?
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उत्तर
(i) 1 - Upper Epidermis; 2 - Palisade layer / chloroplast; 3 - Xylem; 4 - Phloem; 5 - Guard cell
(ii) The two arrows show the release of oxygen and water vapours during the daytime and carbon dioxide and very less amount of oxygen is released during the night.
(iii) Yes, one more arrow can be added to show the absorption of carbon dioxide by the leaf.
(iv) One vein has been shown in this section.
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संबंधित प्रश्न
The process of conversion of ADP into ATP during photosynthesis.
Answer the following:
Give the overall chemical equation of photosynthesis in green plants.
Name the following:
The category of organisms that prepare their own food from basic raw materials.
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.
Explain the term Phosphorylation.
Choose the correct option.
The net result of photo-oxidation of water is release of ______.
The source of O2 liberated in photosynthesis is ______.
Where do the light-dependent reaction and the Calvin cycle occur in the chloroplast?
1. What happens to the dandelion flower
- During the daytime?
- At night?
2. What is the phenomenon known as?
