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प्रश्न
Choose the correct answer:
Wilting of plants occurs when ____________
पर्याय
phloem is blocked.
xylem is blocked.
a few old roots are removed.
both xylem and phloem are blocked.
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उत्तर
Wilting of plants occurs when xylem is blocked
APPEARS IN
संबंधित प्रश्न
The diagram of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Which phenomenon is demonstrated by this apparatus?
(iii) Explain the phenomenon mentioned in (ii) above.
(iv) State two limitations of using this apparatus.
(v) What is the importance of the air bubble in the experiment?
(vi) Name the structures in a plant through which the above process takes place.
Name the following:
Tissue concerned with upward conduction of water.
The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:
Draw a diagram of the above root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Name the following:
Water is absorbed from the soil by which part.
Name the following:
The solution outside the cell having lower solute concentration than the fluids.
Describe structure of root hair.
Which of the following are the components of cell wall of root hair?
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
Aquatic animals like fish excrete their wastes in gaseous form as ______.
