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प्रश्न
Define the following term:
Photolysis of water
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उत्तर
Releasing electrons and dividing the water molecule (H2O) into its two components (Hydrogen and Oxygen). Photolysis is the term used to describe this reaction, which is characterised by the fracturing of molecules by light (photo = light, lysis = breaking).
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संबंधित प्रश्न
The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis occurs in underground organs as well as in aerial ones.
Fill in the blanks:
The end products of photosynthesis are ______ and ______.
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?
What is the law of limiting factors?
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Autotrophs use _____,______ and chlorophyll to prepare their own food.
Only green plants have the unique capacity to release ______ into the atmosphere.
What are stomata?
