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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
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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.
संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
Name the following:
Tissue concerned with upward conduction of water.
Choose the correct answer:
Process of ascent of sap in plants occurs ___________
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.
The diagram given below represents the result of an experiment conducted on two freshly taken shoots of a green herbaceous plant. The lower ends dip in the water.
(i) What is the aim of the experiment?
(ii) Some parts of the stem in both the shoots have been removed. Name the conducting tissue in shoot A and in shoot B, that has been removed.
(iii) What are the results of this experiment?
Name the following:
Water is absorbed from the soil by which part.
Which of the following are the components of cell wall of root hair?
Roots of the plants absorb water from the soil through the process of ____________.
Root hair is a cytoplasmic extension of ______.
