Advertisements
Advertisements
प्रश्न
Root hairs become flaccid, when fertilizers are added to the moist soil around it. Explain.
Advertisements
उत्तर
When fertilizers are added to the moist soil around it, it will form hypertonic solution, resulting the protoplasm to shrink and plasma membrane withdraw itself from the cell wall. Hence, the root hairs also become limp or flaccid.
APPEARS IN
संबंधित प्रश्न
Choose the correct answer:
Swelling of wooden doors during rains is caused by ___________
Study the experimental setup in the figure and then answer the question that follow.

What will you observe in the setup after about half an hour? Give reasons for your answer.
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.
Inner layer of root hair is made up of ______.
Identify the zone in wbkh root hair occurs.
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
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?
Give other name of epidermal cells in roots of plants.
Name the following:
Unicellular outgrowths from the epidermis of roots.
