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WorksheetsBiology
Total questions: 10
Worksheet time: 8mins
Ascent of sap in plants takes place through:
Cortex
Epidermis
Xylem
Phloem
Which one of the following favours the fastest transpiration rate ?
A cool, humid, windy day
A hot, humid, windy day
A hot, humid, still day,
A hot, dry, windy day
What do xylem vessels carry ?
Minerals
Water
Both A and B
Food
The diffusion of water molecules through a semi-permeable membrane from a region where water is more concentrated to a region where it is less concentrated is called
(a)
The transpiration rate is increased due to the increase in light intensity.
True
False
Name the process which is being demonstrated in the diagram given below.
(a)
During transpiration, the leaves lose more water from their upper surface.
True
False
The leaves have more (a) on their lower surface.
During daytime, the rate of transpiration is ____________.
Faster
Slower
Remains constant
Fluctuates
In case of minerals these move from lower concentration to molecules of higher concentration. So the minerals from the soil along with water move into the roots. Which process is being shown here ?
Osmosis
Diffusion
Active transport
Food production
