|
Development of root pressure requires energy. Justify
|
|
0
|
2037
|
December 28, 2016
|
|
Mention two conditions when it occur
|
|
0
|
497
|
December 28, 2016
|
|
What role does the root pressure play in water movement in plants?
|
|
0
|
765
|
December 28, 2016
|
|
Describe the two condition that leads to guttation
|
|
0
|
2105
|
December 28, 2016
|
|
How is the mycorrhiza! association helpful in absorption of water and minerals in plants?
|
|
0
|
504
|
December 28, 2016
|
|
If one wants to find minerals in the form they are mobilised in the plant
|
|
1
|
1292
|
December 28, 2016
|
|
Complete the pathway of water absorption in roots
|
|
1
|
600
|
December 28, 2016
|
|
Will the ascent of sap be possible without the cohesion and adhesion of water molecules? Explain
|
|
0
|
1050
|
December 28, 2016
|
|
Why the apoplast pathway occur in cortex and not in endodermis? Explain
|
|
0
|
2045
|
December 28, 2016
|
|
Observe the given figure and answer the following questions
|
|
1
|
1240
|
December 28, 2016
|
|
Explain what will happen to a plant cell if it is kept m a solution having higher water potential
|
|
1
|
3080
|
December 28, 2016
|
|
Mention three similarities
|
|
1
|
691
|
December 28, 2016
|
|
A plant cell with 0.3% concentration of salt
|
|
1
|
1537
|
December 28, 2016
|
|
Facilitated diffusion involving membrane proteins
|
|
1
|
1243
|
December 28, 2016
|
|
Give scientific reasons for the following
|
|
1
|
702
|
December 28, 2016
|
|
Various types of transport mechanisms
|
|
1
|
710
|
December 28, 2016
|
|
Correct the statements?
|
|
1
|
531
|
December 28, 2016
|
|
What happens when a pressure greater than atmospheric pressure is applied to pure water or a Solution?
|
|
0
|
2757
|
December 28, 2016
|
|
What are the factors affecting it?
|
|
0
|
522
|
December 28, 2016
|
|
What are factors controlling osmosis?
|
|
0
|
598
|
December 28, 2016
|
|
Which of these is a semipermeable membrane and which is selectively permeable (SL)?
|
|
1
|
3415
|
December 28, 2016
|
|
What essential role does the root endodermis play during mineral absorption in the plants?
|
|
0
|
580
|
December 28, 2016
|
|
Describe role played by protein pumps during active transport in plants
|
|
0
|
683
|
December 28, 2016
|
|
How can you explain that plant cell act an osmotic system?
|
|
0
|
1264
|
December 28, 2016
|
|
Explain why the pure water has the maximum water potential
|
|
0
|
824
|
December 28, 2016
|
|
State any two functions of turgor pressure
|
|
0
|
716
|
December 28, 2016
|
|
Distinguish between exosmosis and endosmosis
|
|
0
|
3844
|
December 28, 2016
|
|
When separated by a semipermeable membrane
|
|
1
|
590
|
December 28, 2016
|
|
Enumerate the importance of osmosis in the life of the plants
|
|
0
|
532
|
December 28, 2016
|
|
What are porins? What role do they play in diffusion?
|
|
0
|
1067
|
December 28, 2016
|