Question No:1
Hemp is
(A) Stone cells
(B) Sclerotic cells
(C) Sclerenchyma fibres
(D) wood parenchyma
Question No:2
Colenchyma is capable of providing mechanical strength because of having:
(A) Thick lignification
(B) Thick cuticularization
(C) Thick suberization
(D) More thickened corners
Question No:3
Bast fibres are obtained from :
(A) Epidermis
(B) Seed surface
(C) Phloem
(D) Pith
Question No:4
Impermeability is best seen in
(A) Cork cells
(B) Sclerenchyma
(C) Stone cells
(D) Collocytes
Question No:5
Parenchyma cells are associated with activity like:
(A) Assimilation and storage
(B) Conduction and storage
(C) Dedifferentiation
(D) all of these
Question No:6
A living component of xylem element is :
(A) Xylem tracheids
(B) Xylem vessels
(C) Xylem fibres
(D) Wood parenchyma
Question No:7
Collenchymatous hypodermis occurs in
(A) Dicot stem
(B) Monocot stem
(C) Dicot roots
(D) Monocot leaf
Question No:8
Parenchyma differs from meristematic cells in it’s:
(A) Cell wall composition
(B) Uneven thickenings in cell wall
(C) Having cytoplasm and nucleus
(D) Larger size, well developed vacuole
Question No:9
Lignin is most abundant in
(A) Collenchyma
(B) Xylem
(C) Phloem
(D) Chlorenchyma
Question No:10
Casparian strips are characteristics of the cells of
(A) Pericycle
(B) Endodermis
(C) Xylem trancheids
(D) Sieve tubes
Question No:11
At maturity, sieve tubes do not possess
(A) Cell wall
(B) Nucleus
(C) Cytoplasm
(D) Vacuoles
Question No:12
Companion cells are
(A) Sclerenchymatous in nature
(B) Parenchymatous in nature
(C) Meant for conduction of food
(D) None of these above
Question No:13
Sieve tube is
(A) vessel like structure
(B) Provided with oblique septa
(C) Main conducting element for translocation of food
(D) All of the above
Question No:14
Complex tissue comprises
(A) Xylem and phloem
(B) Heterogeneous tissue
(C) Conductive tissue
(D) All of these
Question No:15
Vessels are not found in
(A) Pteridophytes
(B) Gymnosperms
(C) Bryophytes
(D) All the above
Question No:16
Annular or reticulate thickenings are found in
(A) Sclerenchymatous fibres
(B) wood firbres
(C) Xylem tracheids
(D) Xylem vessels
Question No:17
Tyloses grow into the lumen of
(A) Xylem
(B) Xylem fibers
(C) Xylem parenchyma
(D) Cambium
Question No:18
Centrifugal development of xylem is found in
(A) Stem
(B) Root
(C) Lateral root
(D) None of these
Question No:19
Dendrochonology is used for determining the age of
(A) fossils
(B) Rocks
(C) Trees
(D) Annuals
Question No:20
Non-articulated latex ducts (latex cells) are found in
(A) Carica papaya
(B) Ficus elastica
(C) Musa
(D) All of these