|
Movement of substances through vascular tissues
|
|
1
|
1324
|
December 28, 2016
|
|
Minerals are present in the soil in sufficient amount
|
|
1
|
1395
|
December 28, 2016
|
|
The diagram shows a transverse section
|
|
1
|
3470
|
December 28, 2016
|
|
Explain why xylem transport is unidirectional and phloem transport is bidirectional?
|
|
0
|
3940
|
December 28, 2016
|
|
Organic substances are translocated in upward and downward directions
|
|
1
|
859
|
December 28, 2016
|
|
Well watered plants transpire more during sunny and windy days than in cool and calm mornings. Comment
|
|
0
|
1509
|
December 28, 2016
|
|
The movement of water is through transpiration puli'
|
|
1
|
972
|
December 28, 2016
|
|
Describe transpiration pull model of water transport in plants
|
|
1
|
2720
|
December 28, 2016
|
|
Under what condition the rate of transpiration
|
|
1
|
1418
|
December 28, 2016
|
|
How does mass/bulk flow substances is different from diffusion?
|
|
0
|
3417
|
December 28, 2016
|
|
Is it possible to perform girdling experiments in monocots?
|
|
1
|
1816
|
December 28, 2016
|
|
The radio labelled carbon in carbon dioxide supplied to potato plants
|
|
1
|
792
|
December 28, 2016
|
|
If a plant is girdled, which part of the plant dies first- the root or the shoot?
|
|
1
|
9247
|
December 28, 2016
|
|
In a girdled plant, when water is supplied to the leaves above the girdle
|
|
1
|
1190
|
December 28, 2016
|
|
If fifty per cent of the leaves are removed from a plant
|
|
1
|
850
|
December 28, 2016
|
|
A plant is left in the hot sun for six hours
|
|
1
|
1154
|
December 28, 2016
|
|
Illustrate the movement of water in leaves
|
|
0
|
833
|
December 28, 2016
|
|
How root/shoot ratio affects the rate of transpiration?
|
|
0
|
2609
|
December 28, 2016
|
|
Transpiration is a necessary evil in plants. Explain
|
|
0
|
12686
|
December 28, 2016
|
|
It is said that plants are harmed by excess water
|
|
1
|
1138
|
December 28, 2016
|
|
How can plants be grown under limited water supply without compromising on metabolic activities?
|
|
0
|
1045
|
December 28, 2016
|
|
A portion of transverse section of root is shown in the diagram
|
|
1
|
2397
|
December 28, 2016
|
|
What does the set-up demonstrate?
|
|
1
|
1863
|
December 28, 2016
|
|
Observe the diagram given and answer the following questions
|
|
1
|
2155
|
December 28, 2016
|
|
Differentiate between the apoplast and symplast pathways of movement of water in plants
|
|
0
|
8169
|
December 28, 2016
|
|
Explain whyWater can reach up to endodermis through apoplast?
|
|
1
|
1215
|
December 28, 2016
|
|
Enumerate the process ofguttation. How it is affected by root pressure?
|
|
0
|
812
|
December 28, 2016
|
|
Name the two theories which explain water movement in stems
|
|
1
|
1054
|
December 28, 2016
|
|
How do root hairs increase the absorption of water by plants?
|
|
0
|
713
|
December 28, 2016
|
|
Give reason why the xylem sap flows out from the cut end
|
|
1
|
1226
|
December 28, 2016
|