Question

Answer the following:- difference between:-a)Guttation and bleeding b)Flaccid and turgid. give one example of flaccid condition in plants. Give reasons:-a)If you sprinkle some common salt on grass growing on a lawn,it is killed at that spot. b)If you uproot a plant from the soil,its leaves soon wilt. c)It is better to transplant seedlings in a flower bed in the evening and not in the morning. d)A plant cell when kept ina hypertonic salt solution for about 30 minutes turns flaccid. Why guttation in plants occurs at early morning? Explain how soaked seeds swell up and burst their seed coats. Concentration of mineral nutrient elements is higher inside the root hairs than in the surrounding soil.How do roots take them in from the soil?

Answer 1

a)•guttation: * it is a natural process.
*during night , when the stomata remain close, the excess water is relesed through pores on the surface of the leaves.
•bleeding: * it is an artificial process
* it happens following an injury.
b)•flaccid:*happens when solutes drain out from the cell.
•turgid:*happens when the solutes enter through endo osmosis.

Grw:-
a )... because it destroys the plant cells.
b)...water supply from soil through roots is cut off.
c)..transplanting disturbs root system, which does not rejuvinate immediately.if you transplant in evening, there will not be heat due to sun. also there will not be any demand of water supply.
d)....because exo osmosis occurs.
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SORRY I DON'T KNOW THE ANSWERS TO THE REST OF YOUR QUESTIONS.