Advertisements
Advertisements
प्रश्न
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Guttation in plants occurs maximum at midday.
विकल्प
True
False
उत्तर
This statement is false.
Explanation:
Guttation occurs due to excessive root pressure. It is at its maximum when root pressure is at its maximum, which occurs in the early mornings or at night. This is because during these times, transpiration is very low and water absorption is very high.
APPEARS IN
संबंधित प्रश्न
Name the following:
The process by which water enters root hairs.
Choose the correct answer:
Absorption of water from soil takes place by __________
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.
Study the experimental setup in the figure and then answer the question that follow.
Explain the phenomenon mention in question 8.1 .
Grapes shrink when immersed in a very strong sugar solution.” Explain.
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.
Multiple Choice Question:
Process of endosmosis stops:
Multiple Choice Question:
Water will be absorbed by the root hairs when:
Explain the Term: Guttation
Root hair occurs in the zone of ____________.
