Advertisements
Advertisements
प्रश्न
Multiple Choice Question:
Put a tick mark (✓) against the correct alternative in the following statement:
The root-hairs are suited for absorbing water from the soil because:
विकल्प
They have a large surface area
They have a semi-permeable membrane
They contain a solution of higher concentration than the surrounding water.
All the three.
उत्तर
All the three.
APPEARS IN
संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
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
Study the experimental setup in the figure and then answer the question that follow.
What is meant by 'semipermeable membrane'?
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Multiple Choice Question:
The most widely accepted theory for ascent of sap is ______.
What is the composition of inner layer of root hair?
Which part of the root helps in the maximum absorption of water and minerals?
Which of the following are the components of cell wall of root hair?
Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.