Advertisements
Advertisements
प्रश्न
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
Advertisements
उत्तर
A semipermeable membrane is a membrane which allows the passage of molecules selectively. It allows a solvent such as water molecules to pass through it freely but prevents the passage of the solute (sugar or salt molecules in solution).
संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
the exact location of the Lenticels
Which one of the following is a characteristic NOT related with the suitability of the roots for absorbing water?
Explain the mechanism of closing and opening of the stomata.
Study the diagram given below and answer the questions that follow:
- Name the process being studied in the above experiment.
- Explain the process mentioned in (a) above
- Why is oil placed over water?
- What do we observe with regard to the level of water when this set-up is placed in (1) bright sunlight, (2) humid conditions and (3) windy days?
- Mention any three adaptations found in plants to foster the process mentioned in (a) above
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Dry seeds when submerged in water swell up due to endosmosis.
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Mention one distinct difference between the parts labelled A and B.
Which plant does tissue transport water and minerals from the roots to the leaf?
What is peculiarity of epiphytic plants like orchids?
