Advertisements
Advertisements
Question
Definition and importance of Imbibition
Solution
Imbibition : It is a phenomenon of absorption of water molecules or any liquid molecules by hydrophilic or lipophilic substances of the cell making them swell.
Importance :
- Imbibition plays a very significant role in the life of plants. The first step in the absorption of water by the roots of plants is the imbibition of water by the cell wall of the root hair.
- Dry seeds imbibe water before they start germination
APPEARS IN
RELATED QUESTIONS
What is ‘biofortification’?
Which steps would you follow to develop a new variety of crop plant by selective breeding?
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
What is heterosis?
Give a reason for the following:
Bagging is essential in artificial hybridization.
Give an account of mutation breeding with examples.
Explain the best-suited type followed by plant breeders at present?
Animal husbandry and plant breeding programmes are the examples of:
Fungicides and antibiotics are chemicals that ______.
Match the following:
Sr. No. | Column I | Column II | |
(i) | Eutrophication | (a) | A soil erosion |
(ii) | Biomagnification | (b) | carbon monoxide, methane |
(iii) | Particulate pollutant | (c) | Prevention of extinction |
(iv) | Conservation | (d) | Dust, smog |
(v) | Gaseous pollutants | (e) | Accumulation of nonbiodegradable substances |
(vi) | Deforestation | (f) | Death of aquatic ecosystem |