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प्रश्न
What is the importance of photosynthesis in the life of the following:
Animals
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उत्तर
Animals eat green plants or eat animals that feed on green plants.
Respiration - The process of biochemical decomposition of organic compounds like simple carbohydrates, glucose, in living cells with the release of energy.
- Energy is released in the form of ATP (Adenosine triphosphate).
- One mole of glucose on complete oxidation yields 38 molecules of ATP.
- It is a high energy molecule which serves as an immediate source of energy.
- It is a form of chemical energy which can be used for all processes in the cell.
- Therefore ATP is called the currency of the cell.
Metabolism Is the set of life-sustaining chemical reactions within the cells of living organisms
Two Types of metabolic processes take place in living things
|
Catabolic process - it is a destructive (breaking down) process in which energy is released. e.g. Respiration |
Anabolic process - It is a construction (uses energy to construct) process in which energy is used for biosynthetic processes. e.g. Photosynthesis |
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संबंधित प्रश्न
Cochlea, Malleus, Pinna, Stapes, Incus.
Mention any two points in which photosynthesis and respiration in plants are opposite to each other.
Name the following:
The category of organisms that prepare their own food from basic raw materials.
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.
Is there any control in this experiment? If so, state it.
Complete the following food chain by writing the names of appropriate organisms in the blanks:
__________ → Mouse → _________ → Peaock
The figure below represents the vertical section of a leaf:
(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.
Choose the correct option.
For fixing one molecule of CO2 in Calvin cycle _______ are required.
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.
In leaves, the food is stored in the form of ______.
