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प्रश्न
What is meant by the photolysis of water?
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उत्तर
The splitting of water molecules into two-component ions by light is known as photolysis of water.
(Photo = Light, lysis = Breaking).
H2 —> H+ + OH–
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संबंधित प्रश्न
Answer the following:
Give the overall chemical equation of photosynthesis in green plants.
Mention two ways in which photosynthesis is useful to life.
Name the molecules which are called assimilatory power? Why are they called so?
Complete the following food chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
Explain the term Phosphorylation.
Choose the correct option.
The sequential order in electron transport from PSII to PSI of photosynthesis is ______.
The green pigment present in the plant is ______.
Plants inhale and exhale continuously through the ______.
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
Study the diagram given below and fill in the blanks with suitable words:
In order to prove that carbon dioxide is necessary for
(a) ______, a potted plant is placed in dark for 48 hours to (b) ______ the leaves. A part of a leaf is inserted into a conical flask containing potassium hydroxide solution. This is to absorb (c) ______ from the flask. The plant is then placed in sunlight for a few hours. The experimental leaf is tested for starch. The part of the leaf that was inside the conical flask turns (d) ______, whereas the part of the left outside turns (e) ______ in colour.
