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प्रश्न
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
पर्याय
endosmosis
imbibition
capillarity
osmosis
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उत्तर
Swelling of wooden doors during rains is caused by imbibition
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संबंधित प्रश्न
Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
Xylem is the water conducting tissue in plants.
The alongside diagram A shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.
(i) Name the parts 1,2,3.
(ii) Name two substances which enter the root hair. What are their uses?
(iii) By what process do these substances enter the root hair?
(iv) Account for the different shapes of root hairs in the two diagrams.
Name the following:
Name the process by which intact plants lose water in the form of droplets.
________ type of tissues are present in epiphytic roots.
Part of the root that absorbs water from the soil is ______.
Epiphytic plants like ____________ absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Root hair occurs in the zone of ____________.
Aquatic animals like fish excrete their wastes in gaseous form as ______.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.

