|
What does the set-up demonstrate?
|
|
1
|
1868
|
December 28, 2016
|
|
Observe the diagram given and answer the following questions
|
|
1
|
2166
|
December 28, 2016
|
|
Differentiate between the apoplast and symplast pathways of movement of water in plants
|
|
0
|
8172
|
December 28, 2016
|
|
Explain whyWater can reach up to endodermis through apoplast?
|
|
1
|
1219
|
December 28, 2016
|
|
Enumerate the process ofguttation. How it is affected by root pressure?
|
|
0
|
814
|
December 28, 2016
|
|
Name the two theories which explain water movement in stems
|
|
1
|
1059
|
December 28, 2016
|
|
How do root hairs increase the absorption of water by plants?
|
|
0
|
718
|
December 28, 2016
|
|
Give reason why the xylem sap flows out from the cut end
|
|
1
|
1235
|
December 28, 2016
|
|
Development of root pressure requires energy. Justify
|
|
0
|
2106
|
December 28, 2016
|
|
Mention two conditions when it occur
|
|
0
|
552
|
December 28, 2016
|
|
What role does the root pressure play in water movement in plants?
|
|
0
|
809
|
December 28, 2016
|
|
Describe the two condition that leads to guttation
|
|
0
|
2156
|
December 28, 2016
|
|
How is the mycorrhiza! association helpful in absorption of water and minerals in plants?
|
|
0
|
543
|
December 28, 2016
|
|
If one wants to find minerals in the form they are mobilised in the plant
|
|
1
|
1343
|
December 28, 2016
|
|
Complete the pathway of water absorption in roots
|
|
1
|
652
|
December 28, 2016
|
|
Will the ascent of sap be possible without the cohesion and adhesion of water molecules? Explain
|
|
0
|
1117
|
December 28, 2016
|
|
Why the apoplast pathway occur in cortex and not in endodermis? Explain
|
|
0
|
2101
|
December 28, 2016
|
|
Observe the given figure and answer the following questions
|
|
1
|
1313
|
December 28, 2016
|
|
Explain what will happen to a plant cell if it is kept m a solution having higher water potential
|
|
1
|
3335
|
December 28, 2016
|
|
Mention three similarities
|
|
1
|
744
|
December 28, 2016
|
|
A plant cell with 0.3% concentration of salt
|
|
1
|
1606
|
December 28, 2016
|
|
Facilitated diffusion involving membrane proteins
|
|
1
|
1318
|
December 28, 2016
|
|
Give scientific reasons for the following
|
|
1
|
746
|
December 28, 2016
|
|
Various types of transport mechanisms
|
|
1
|
761
|
December 28, 2016
|
|
Correct the statements?
|
|
1
|
585
|
December 28, 2016
|
|
What happens when a pressure greater than atmospheric pressure is applied to pure water or a Solution?
|
|
0
|
2820
|
December 28, 2016
|
|
What are the factors affecting it?
|
|
0
|
561
|
December 28, 2016
|
|
What are factors controlling osmosis?
|
|
0
|
647
|
December 28, 2016
|
|
Which of these is a semipermeable membrane and which is selectively permeable (SL)?
|
|
1
|
3479
|
December 28, 2016
|
|
What essential role does the root endodermis play during mineral absorption in the plants?
|
|
0
|
645
|
December 28, 2016
|