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प्रश्न
उत्तर
(i) Water is one of the raw materials for photosynthesis.
(ii) Water is important for seed germination.
(iii) Water controls the opening and closing of stomata.
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संबंधित 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:
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 an explanation in support of your answer.
If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.
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.
Study the experimental setup in the figure and then answer the question that follow.
What will you observe in the setup after about half an hour? Give reasons for your answer.
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Epiphytic plants like orchids absorb water vapours from air with the help of ______ having special tissue called velamen.
Root hair occurs in the zone of ____________.
Which plant does tissue transport water and minerals from the roots to the leaf?
Give other name of epidermal cells in roots of plants.
