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प्रश्न
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
उत्तर
Mitochondria and plastids are the two cell organelles in a plant cell that contain their own genetic material (i.e., DNA) and ribosomes.
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संबंधित प्रश्न
Differentiate between Turgor pressure and Wall pressure (explain)
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
Give two examples of turgor movements in plants.
The diagram given below represents an experimental set-up to demonstrate a certain process. Study the same and answer the questions that follow:
- Name the process.
- Define the above-named process.
- What would you observe in the experimental set-up after an hour or so?
- What control experiment can be set up for comparison?
- Keeping in mind the root hair, cell and its surroundings, name the parts that correspond to
- concentrated sugar solution
- parchment paper
- water in the beaker
- Name any other material that can be used instead of parchment paper in the above experiment.
- Mention two advantages of the process for the plants.
Define the following:
Osmosis
Define the following:
Diffusion
Distinguish between the following:
Turgor pressure and osmotic pressure
A plant cell kept in a drop of water was examined under the low power magnification of a microscope, as shown:
(i) What would you do to bring this cell back to its original condition?
(ii) What scientific term is used for such condition?
(iii) Draw the same cell if it is kept in a strong sugar solution.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
