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Free download in PDF Plant Tissues Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS etc. These short solved questions or quizzes are provided by Gkseries.
41
The tissue most abundant in Hydrilla/Eichhornia is
[A]
Aerenchyma
[B]
Collenchymas
[C]
Phloem
[D]
Sclerenchyma
42
The tissue having dead cells is
[A]
xylem
[B]
Collenchymas
[C]
Parenchyma
[D]
Phellogen
43
Sugar transport elements of gymnosperms and pteriodophytes are
[A]
Sieve cells
[B]
Sieve elements
[C]
Sieve tubes
[D]
Sieve tube elements
44
Plant regeneration can occur from mature parenchyma because
[A]
It forms the bulk of ground tissue
[B]
It can dedifferentiate
[C]
There are no cells walls
[D]
Only they are nucleate
Answer: It can dedifferentiate
45
Enzymes controlling metabolism in mature sieve tubes are formed on instructions from DNA of
[A]
Albuminous cells
[B]
Companion cells
[C]
Subsidiary cells
[D]
Phloem parenchyma
46
Internal plant organization is studied under
[A]
Anatomy
[B]
Cytology
[C]
Chronology
[D]
Morphology
47
A parenchyma cell storing ergastic materials is
[A]
Storage cell
[B]
Idioblast
[C]
Conidioblast
[D]
Phragmoplast
48
Sieve tubes are characterized by
[A]
Absence of septa
[B]
Simple oblique septa
[C]
Perforated longitudinal walls
[D]
Perforated oblique septa
Answer: Perforated oblique septa
49
Resin ducts of Pinus are an example of
[A]
Lysigenous cavity
[B]
Schizogenous cavity
[C]
Vacuolated cells
[D]
Intercellular cells
Answer: Schizogenous cavity
50
Collenchymas is characterized by
[A]
Isodiametric cells with uniform thickenings
[B]
Isodiametric with uneven thickenings
[C]
Elongated cells with thickenings at selected places
[D]
Elongated cells with uniform thickenings
Answer: Isodiametric with uneven thickenings
51
Elongated cells with tapering ends are
[A]
Vessels
[B]
Sclereids
[C]
Tracheids
[D]
none of the above
52
An angiosperm lacking vessels is
[A]
Trochondendron
[B]
Acacia
[C]
Salix
[D]
Dendrocalamus
53
Fatty substance found in epidermal cell walls is
[A]
Cutin
[B]
Suberin
[C]
Wax
[D]
Both B and C
54
Early formed xylem is
[A]
Uniseriate
[B]
Multiseriate
[C]
Protoxylem
[D]
Metaxylem
55
Anatomy is also called
[A]
Histology
[B]
Internal morphology
[C]
Morphology
[D]
Histochemistry
Answer: Internal morphology
56
Xylem and phloem belong to the group of
[A]
Complex tissues
[B]
Simple tissues
[C]
Specialized tissues
[D]
Laticiferous tissues
57
Lumen is minimum in
[A]
Sclerenchyma
[B]
Collenchymas
[C]
Parenchyma
[D]
Epidermis
58
Shoot is the first to die when
[A]
Phloem is blocked
[B]
Bark is removed
[C]
Apical meristem is injured
[D]
Xylem is removed
59
Vessels are absent in
[A]
Dicots
[B]
Monocots
[C]
Gymnosperms
[D]
All the above
60
Prosenchyma is type of
[A]
Chlorenchyma
[B]
Collenchymas
[C]
Parenchyma
[D]
Sclerenchyma
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