|
Movement of substances through vascular tissues
|
|
2
|
727
|
December 28, 2016
|
|
Minerals are present in the soil in sufficient amount
|
|
2
|
952
|
December 28, 2016
|
|
The diagram shows a transverse section
|
|
2
|
487
|
December 28, 2016
|
|
Explain why xylem transport is unidirectional and phloem transport is bidirectional?
|
|
1
|
3290
|
December 28, 2016
|
|
Organic substances are translocated in upward and downward directions
|
|
2
|
414
|
December 28, 2016
|
|
Well watered plants transpire more during sunny and windy days than in cool and calm mornings. Comment
|
|
1
|
904
|
December 28, 2016
|
|
The movement of water is through transpiration puli'
|
|
2
|
477
|
December 28, 2016
|
|
Describe transpiration pull model of water transport in plants
|
|
2
|
2208
|
December 28, 2016
|
|
Under what condition the rate of transpiration
|
|
2
|
660
|
December 28, 2016
|
|
How does mass/bulk flow substances is different from diffusion?
|
|
1
|
2266
|
December 28, 2016
|
|
Is it possible to perform girdling experiments in monocots?
|
|
2
|
1275
|
December 28, 2016
|
|
The radio labelled carbon in carbon dioxide supplied to potato plants
|
|
2
|
445
|
December 28, 2016
|
|
If a plant is girdled, which part of the plant dies first- the root or the shoot?
|
|
2
|
8140
|
December 28, 2016
|
|
In a girdled plant, when water is supplied to the leaves above the girdle
|
|
2
|
740
|
December 28, 2016
|
|
If fifty per cent of the leaves are removed from a plant
|
|
2
|
335
|
December 28, 2016
|
|
A plant is left in the hot sun for six hours
|
|
2
|
443
|
December 28, 2016
|
|
Illustrate the movement of water in leaves
|
|
1
|
385
|
December 28, 2016
|
|
How root/shoot ratio affects the rate of transpiration?
|
|
1
|
1608
|
December 28, 2016
|
|
Transpiration is a necessary evil in plants. Explain
|
|
1
|
12159
|
December 28, 2016
|
|
It is said that plants are harmed by excess water
|
|
2
|
712
|
December 28, 2016
|
|
How can plants be grown under limited water supply without compromising on metabolic activities?
|
|
1
|
546
|
December 28, 2016
|
|
A portion of transverse section of root is shown in the diagram
|
|
2
|
1063
|
December 28, 2016
|
|
What does the set-up demonstrate?
|
|
2
|
801
|
December 28, 2016
|
|
Observe the diagram given and answer the following questions
|
|
2
|
1378
|
December 28, 2016
|
|
Differentiate between the apoplast and symplast pathways of movement of water in plants
|
|
1
|
7668
|
December 28, 2016
|
|
Explain whyWater can reach up to endodermis through apoplast?
|
|
2
|
679
|
December 28, 2016
|
|
Enumerate the process ofguttation. How it is affected by root pressure?
|
|
1
|
398
|
December 28, 2016
|
|
Name the two theories which explain water movement in stems
|
|
2
|
564
|
December 28, 2016
|
|
How do root hairs increase the absorption of water by plants?
|
|
1
|
389
|
December 28, 2016
|
|
Give reason why the xylem sap flows out from the cut end
|
|
2
|
707
|
December 28, 2016
|
