XYLEM AND PHLOEM
1)
What are the components of
xylem?
2)
Which term was coined by
Haberlandt for xylem?
3)
Which material is
deposited over tracheid?
4)
What are the different
patterns of thickenings?
5)
Which type of deposition
on tracheid never shows uniform thickening?
6)
How lysigenous cavity is
formed?
7)
What are the arrangements
of protoxylem and metaxylem?
8)
In which plants tracheae
form main conducting elements?
9)
What is the nature of
human of vessels?
10)
What are protoxylem and
what type of thickening it shows?
11)
What is met xylem and what
types of thickening it shows?
12)
Which plant group shows
vessels in it is xylem?
13)
Name the pteridophytes and
gymnosperms which show vessels?
14)
What is Wood fibre? What
is its function?
15)
What is the function of
xylem parenchyma?
16)
What are the different
terms applied to phloem?
17)
What is the various
component of phloem?
18)
Which plant shows present
of sieve cello and sieve tubes?
19)
Which cell is always
present with sieve tubes?
20)
Name the structure not
found in sieve cells?
21)
From which cells companion
cells develop?
22)
How sieve tubes and
companion cells communicate with each other?
23)
Which part governs
functioning of sieve tubes?
24)
In which plants phloem
parenchyma is absent?
25)
What is the different
function of phloem fibres?
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