THIS BLOG IS FOR PRACTICE PAPERS, MCQS, NOTES FOR BIOLOGY AT JUNIOR COLLEGE LEVEL.
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Friday, January 14, 2022
Wednesday, January 5, 2022
PRACTICE QUESTIONS:- PLANT TISSUES AND ANATOMY
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?
Tuesday, January 4, 2022
PRACTICE QUESTIONS :- PLANT TISSUES AND ANATOMY
COLLENCHYMA AND SCRENCHYMA
1)
How collenchyma cells
appear in T.S.?
2)
Which material is
deposited over collenchyma cells?
3)
What type of thickenings
are observed collenchyma cells?
4)
Why intercellular spaces
are absent in collenchyma?
5)
Where one can find collenchyma
in plants?
6)
In which plants collenchyma
is absent?
7)
What is the main function
of collenchyma?
8)
Which tissue presents
tearing of leaves?
9)
What is sclerenchyma?
10)
What are the forms of
sclerenchyma?
11)
What is the shape of
sclerenchyma fibres?
12)
Which material is
deposited over sclerenchyma walls?
13)
What is the condition of sclerenchyma
cells at maturity?
14)
What is the position of
sclerenchyma fibres in plants?
15)
What is the nature of
sderider?
16)
What is other term applied
to sclereids?
17)
What are the types of sclereids?
18)
What is the main function
of sclerenchyma?
19)
Which material provides
rigidity and strength to seed covering and stiffness to plant parts?
Monday, January 3, 2022
PRACTICE QUESTIONS ;- ANATOMY FLOWERING PLANTS
8. PLANT TISSUES AND ANATOMY
6. ANATOMY OF FLOWERING PLANTS
1)
What are tissues?
2)
What are the two types of
fundamental tissues?
3)
What is the meaning of
term meristos?
4)
What is meristematic
tissue?
5)
What is the nature of wall
in meristem cells?
6)
Why meristem cells show
large no of mitochondria?
7)
What are the growing
points of plant?
8)
Why they are called as
growing regions?
9)
What are the different
criteria for classification of Meristem?
10)
What are the different
types of meristem on the basis of origin & development?
11)
What does promeristem
represents?
12)
Where is promeristem
present?
13)
In which stage of plant promeristem
occurs?
14)
Which meristem is produced
by promeristem?
15)
What is lateral meristem?
16)
Which type of tissue is
produced by lateral meristem?
17)
Where one can find lateral
meristem in plant body?
18)
What is meristem?
19)
In which region meristem
develops?
20)
What is the example of
meristem?
21)
Name the property through
which 1 permanent tissue regions property of division?
22)
Name the plant in which
Accessory cambium is produced?
23)
What are the types of
Meristem on the basis of position?
24)
What & the types of
meristem?
25)
Name the type of 2
meristem?
26)
Which type of growth is
exhibited by apical meristem?
27)
What is the position of
intercalary meristem?
28)
What is Intercalary
meristem?
29)
Name the region from which
intercalary meristem originates?
30)
What is the nature of
intercalary meristem?
31)
What is the position of
lateral meristem?
32)
What is the plane of
division of cello in lateral meristem?
33)
What are the e.g. of
lateral meristem?
34)
What are the different
types of meristem present on the basis of function?
35)
Where is protoderm present
and which type of tissue system is developed by protoderm?
36)
What is procambium?
37)
What is ground meristem?
38)
What are the components of
ground tissue system?
39)
Name the scientist who
proposed histogen theory?
40)
What are histogen?
41)
What are the different
other terms for protoderm, procambium & ground meristem?
42)
Which meristem helps in
elongation of internodes and pedicels?
43)
Which meristem adds new
vascular tissues and why?
44)
Which tissue forms
protective covering around stem & root?
45)
Define permanent tissue?
46)
How permanent tissues are
produced?
47)
What are the two main
types of permanent tissues?
48)
What are the types of
meristem on the basis of division?
49)
What are the different
types of simple permanent tissue?
50)
Name two simple permanent
tissues which are abundant?
51)
What do you meant by
symplasm or living continuum?
52)
What is the function of
intercellular spares present in parenchyma?
53)
Which is the most simple
and primitive tissue?
54)
Why parenchyma is called
as fundamental tissue?
55)
What is the main function
of parenchyma?
56)
What is the function of
parenchyma in xerophytes?
57)
What is chlorenchyma where
it is present and what it is function?
58)
What is Aerenchyma, where
it is present & what it is present & what it is function?
59)
What is prosenchyma? What
it is function?
60)
What is the function of
cutinized epidermal tissue?
61)
What is the function of
xylem & phloem parenchyma?
62)
Name the living simple
permanent tissues?
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