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प्रश्न
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Dry seeds when submerged in water swell up due to endosmosis.
पर्याय
True
False
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उत्तर
False.
Dry seeds when submerged in water swell up due to imbibitions. On contact with water dry seeds imbibe water and swell up.
संबंधित प्रश्न
Correct the following statements by changing the underlined words:
Xylem transports starch from the leaves to all parts of the plant body
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.
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:
An example of a selective permeable membrane is __________
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.
Give Technical Term for the following.
Phenomenon of absorption of water by surface attraction.
Trace the pathway followed by water molecules from the time it enters a plant root to the time it escapes into the atmosphere from a leaf.
Which part of the root helps in the maximum absorption of water and minerals?
Explain about the factors that affect water absorption.
