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प्रश्न
Given below is the diagram of an experimental set-up (final stage). Study the same and answer the following questions:
- What is the main aim of the experiment?
- Oxygen gas shown in the experiment is released from which of the raw materials?
- How would you confirm the presence of oxygen gas?
- Name the chemical substance which can be added in water to enhance the process/rate of release of oxygen gas.
- Draw a neat and labelled diagram of the same experiment for its initial stage.
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उत्तर
- To demonstrate that oxygen is generated during the process of photosynthesis.
- The emission of oxygen gas is a result of the interaction between carbon dioxide and water in the presence of sunlight.
- The bursting of flames from a splinter in close proximity to the test container proves the presence of oxygen.
- Sodium Bicarbonate
संबंधित प्रश्न
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
Name the following:
The main mineral constituent of chlorophyll.
How would you demonstrate that green plants release oxygen when exposed to light?
All life owes its existence to chlorophyll. Give reason.
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.
What aspect of photosynthesis was being tested?
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.
Draw a neat diagram of a chloroplast and label its parts.
Where are the chlorophyll pigments present in a cell?
Chlorophyll is necessary for photosynthesis.
Chloroplasts are called energy converters.
Name the following:
The green colouring matter of the plants.
