Advertisements
Advertisements
प्रश्न
Name the following:
The process by which water enters root hairs.
Advertisements
उत्तर
Osmosis
APPEARS IN
संबंधित प्रश्न
the exact location of the Lenticels
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
Three plants (a), (b) and (c) were placed in beakers containing coloured water. The water in each beaker was covered with a layer of oil. The leaves were removed from plant (b), while plant (c) was exposed to strong light.
(i) In which plant, (a), (b) or (c) would the water move up the fastest?
(ii) In which plant (a), (b) or (c), would the water move up slowly?
(iii) Why was the water covered with a layer of oil?
(iv) What is being investigated by this experiment?
Choose the correct answer:
Which tissue makes passage for ascent of sap?
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.
What would happen to the leaves of a plant that transpires more water than its absorption in the roots?
Roots of the plants absorb water from the soil through the process of ____________.
Why and how does water enter continuously into the root xylem?
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?
