Q.1.
A T.S. shows conjoint, collateral, endarch and closed bundles scattered in ground tissue. It is ... .. [ RPMT 1996]
-
14%
a) Dicot stem
-
57%
b) Monocot stem
-
29%
c) Dicot root
-
0%
d) Monocot root
Q.2.
Bicollateral conjoint vascular bundles possess ... .. [ kerala 2006]
-
17%
a) Xylem and phloem on alternate radii
-
0%
b) Phloem surrounds phloem
-
17%
c) Xylem surrounds phloem
-
67%
d) Xylem and phloem on same radius with two groups of phloem, on the two sides of xylem
Q.3.
Cell wall is impermeable to water and deposition of suberin occurs in ... ..[ CPMT 1998]
-
0%
a) Bark
-
57%
b) Cork
-
0%
c) Bast
-
43%
d) Xylem
Q.4.
Vascular tissues of flowering plant develop from ... .. [ CBSE 2008]
-
14%
a) Dermatogen
-
43%
b) Periblem
-
0%
c) Plerome
-
43%
d) Phellogen
Q.5.
Which one of the following statement pertaining to plant structure is correct? ... .. [ AIIMS 2005]
-
50%
a) Cork lacks stomata but lenticels carry out transpiration
-
17%
b) Passage cell help in transfer of food from cortex to phloem
-
17%
c) Sieve tube elements possess cytoplasm but no nuclei
-
17%
d) The shoot apical meristem has a quiescent centre
Q.6.
Protoxylem lacunae occur in ... .. [ AMU 1996]
-
40%
a) Grass stem vascular bundles
-
40%
b) Cladodes
-
20%
c) Underground stems
-
0%
d) Climbers
Q.7.
Lightest wood is ... .. [JIPMER 2002]
-
0%
a) Cereus giganteus
-
33%
b) Ochroma lagopus
-
33%
c) Hardwickia binata
-
33%
d) Cycas
Q.8.
Conjoint, collateral, open and endarch vascular bundles are found in ... ..[ BHU 1996]
-
25%
a) Monocot stem
-
0%
b) Monocot root
-
25%
c) Dicot root
-
50%
d) Dicot stem
Q.9.
The elements of xylem tissue that stores tannins are ... ... [ HPPMT 2012]
-
20%
a) Tracheids
-
40%
b) Vessels
-
40%
c) Xylem parenchyma
-
0%
d) Xylem fibres
Q.10.
Wound healing is due to ... . [ CPMT 1998]
-
17%
a) Primary meristem
-
50%
b) Secondary meristem
-
17%
c) Ventral meristem
-
17%
d) All the above
Q.11.
Pear fruit are gritty due to occurrence of ... .. [ JKCET 2012]
-
20%
a) Tracheids
-
40%
b) Fibres
-
0%
c) Vessels
-
40%
d) Sclereids
Q.12.
Identify correct order of components with reference to their arrangement from outside to inner side in woody dicot stem Secondary cortex Autumn wood Secondary phloemPhellem
-
0%
a) 2, 3, 1, 4
-
40%
b) 4, 1, 3, 2
-
40%
c) 1, 2, 4, 3
-
20%
d) 3, 4, 2, 1
Q.13.
Which is not a primary meristem? ... .. [ DPMT 1997]
-
40%
a) Promeristem
-
60%
b) Protoderm
-
0%
c) Periblem
-
0%
d) Ground tissue
Q.14.
Chief function of phloem is conduction of ... .. [ AIIMS 1998]
-
60%
a) Food
-
20%
b) Minerals
-
20%
c) Water
-
0%
d) Air
Q.15.
Passage cells are present in ... .. [ AMU 1997}
-
0%
a) Cortex
-
100%
b) Pericycle
-
0%
c) Pith
-
0%
d) Endodermis
Q.16.
Read the different components from (a) to (d) in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem: [ ReAIPMT 2015] (a) Secondary cortex (b) Wood (c) Secondary phloem (d) Phellem The correct order is :
-
0%
a) (d), (c), (a), (b)
-
50%
b) (c), (d), (b), (a)
-
25%
c) (a), (b), (d), (c)
-
25%
d) (d), (a), (c), (b)
Explanation
