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Subjects
Science CBSE
Class 10
Life Process
Life processes in plants
27.
Xylem and phloem
Exercise condition:
6
m.
Choose the best answer:
1
.
Identify the following components of the phloem that has thin walls attach to the lateral wall of
Phloem fibre
Sieve elements
Sieve tubes
Phloem parenchyma
Companion cells
2
.
Common structural feature of vessel elements and sieve tube elements is
They are enucleated
Both elements help to translocate the food
Both are very efficient in the conduction of water
They are nucleated
3
.
An example of imbibition is
Absorption of water by dry wood and absorption of water by seed
Absorption of water by dry wood
Update of water by root hair
Absorption of water by seed
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