|
Movement of substances through vascular tissues
|
|
1
|
1323
|
December 28, 2016
|
|
Minerals are present in the soil in sufficient amount
|
|
1
|
1394
|
December 28, 2016
|
|
The diagram shows a transverse section
|
|
1
|
3467
|
December 28, 2016
|
|
Explain why xylem transport is unidirectional and phloem transport is bidirectional?
|
|
0
|
3939
|
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
|
1507
|
December 28, 2016
|
|
The movement of water is through transpiration puli'
|
|
1
|
970
|
December 28, 2016
|
|
Describe transpiration pull model of water transport in plants
|
|
1
|
2719
|
December 28, 2016
|
|
Under what condition the rate of transpiration
|
|
1
|
1417
|
December 28, 2016
|
|
How does mass/bulk flow substances is different from diffusion?
|
|
0
|
3414
|
December 28, 2016
|
|
Is it possible to perform girdling experiments in monocots?
|
|
1
|
1813
|
December 28, 2016
|
|
The radio labelled carbon in carbon dioxide supplied to potato plants
|
|
1
|
790
|
December 28, 2016
|
|
If a plant is girdled, which part of the plant dies first- the root or the shoot?
|
|
1
|
9245
|
December 28, 2016
|
|
In a girdled plant, when water is supplied to the leaves above the girdle
|
|
1
|
1189
|
December 28, 2016
|
|
If fifty per cent of the leaves are removed from a plant
|
|
1
|
847
|
December 28, 2016
|
|
A plant is left in the hot sun for six hours
|
|
1
|
1147
|
December 28, 2016
|
|
Illustrate the movement of water in leaves
|
|
0
|
832
|
December 28, 2016
|
|
How root/shoot ratio affects the rate of transpiration?
|
|
0
|
2606
|
December 28, 2016
|
|
Transpiration is a necessary evil in plants. Explain
|
|
0
|
12685
|
December 28, 2016
|
|
It is said that plants are harmed by excess water
|
|
1
|
1136
|
December 28, 2016
|
|
How can plants be grown under limited water supply without compromising on metabolic activities?
|
|
0
|
1043
|
December 28, 2016
|
|
A portion of transverse section of root is shown in the diagram
|
|
1
|
2395
|
December 28, 2016
|
|
What does the set-up demonstrate?
|
|
1
|
1860
|
December 28, 2016
|
|
Observe the diagram given and answer the following questions
|
|
1
|
2152
|
December 28, 2016
|
|
Differentiate between the apoplast and symplast pathways of movement of water in plants
|
|
0
|
8167
|
December 28, 2016
|
|
Explain whyWater can reach up to endodermis through apoplast?
|
|
1
|
1213
|
December 28, 2016
|
|
Enumerate the process ofguttation. How it is affected by root pressure?
|
|
0
|
811
|
December 28, 2016
|
|
Name the two theories which explain water movement in stems
|
|
1
|
1051
|
December 28, 2016
|
|
How do root hairs increase the absorption of water by plants?
|
|
0
|
712
|
December 28, 2016
|
|
Give reason why the xylem sap flows out from the cut end
|
|
1
|
1223
|
December 28, 2016
|