Q151
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Which of the following tissue provides mechanical support to the growing parts of the plant such as young stem and petiole of a leaf.
A.
Parenchyma
B.
Collenchyma
C.
Sclereids
D.
Fibres
Q152
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Which of the following is observed in sunflower plant?
A.
B.
C.
D.
Q153
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Companion cells are present in the phloem of
A.
Pteridophytes
B.
Gymnosperms
C.
Angiosperms
D.
Both (1) and (2)
Q154
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Vessels differ from tracheids in having
A.
In being living
B.
Presence of perforation plates at both ends
C.
Enucleated condition
D.
All of the above
Q155
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Identify the given diagramatic sketch and select the correct option in respect of diagram?
A.
Hypostomatic leaf
B.
Amphistomatic leaf
C.
Found in monocot plant
D.
Presence of bulliform cells towards abaxial surface.
Q156
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
When a meristematic tissue "Intra fascicular cambium" is present inside a vascular bundle, the vascular bundle is called
A.
Conjoint
B.
Open
C.
Closed
D.
Radial
Q157
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Which of the following is not included in stomatal apparatus
A.
Stomatal aperture
B.
Guard cells
C.
Subsidiary cells
D.
Sclerenchymatous cells
Q158
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Consider the following statements.
(a) Phloem fibres are made up of sclerenchymatous cells.
(b) Phloem parenchyma are generally present in monocots.
(c) The first formed primary phloem consists of narrow sieve tube and is referred to as protophloem and the later formed phloem has bigger sieve tubes and is referred to as metaphloem.
Which statement(s) is/are false?
A.
Only a
B.
Only b
C.
Only c
D.
a, b, and c
Q159
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
The outside of the epidermis is often covered with a waxy thick layer, called
A.
Hypodermis
B.
Cuticle
C.
Root hair
D.
Stem hair
Q160
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Cuticle is absent in
A.
Roots
B.
Dicot Stem
C.
Leaves
D.
Monocot stem
Q161
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
In which plant vascular bundles are scattered in ground tissue and each vascular bundle is surrounded by sclerenchymatous bundle sheath
A.
Maize
B.
Sunflower
C.
Gram
D.
Ficus
Q162
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
In below mentioned structure, how many structures are having 'Exarch' condition of vascular bundles.
'Dicot stem, Dicot root, Monocot stem, monocot root, Isobilateral leaf, Dorsivendral leaf'.
A.
4
B.
3
C.
2
D.
All of these
Q163
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
The dicot root is identified from the monocot root by the presence of
A.
Exarch xylem
B.
2-4 xylem bundles
C.
>6 xylem bundles
D.
Large and well developed pith
Q164
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Parenchymatous cells with large intercellular spaces which occupy the central portion of the stem constitute
A.
Cortex
B.
Pith
C.
Hypodermis
D.
Epidermis
Q165
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
In grasses, certain adaxial epidermal cells along the veins modify themselves into large, empty, colourless cells. These cells are called
A.
Bulliform cells
B.
Starch sheath cells
C.
Companion cells
D.
Complimentary cells
Q166
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
In dicot stem, the cells of cambium present between primary xylem and primary phloem is the
A.
Interfascicular cambium
B.
Vascular cambium
C.
Intra fascicular cambium
D.
Cork cambium
Q167
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
The innermost layer of cortex of dicot root is characterised by presence of suberin thickening. This suberin thickening occurs on
A.
Radial walls
B.
Transverse wall
C.
Tangential wall
D.
Both (1) & (3)
Q168
Allen
10. (A) NCERT BASED QUESTIONS
Match the Columns
Identify correct match from the Column-I, Column-II and Column-III.
| Column-I | Column-II | Column-III | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
A.
B-a-iii, A-d-ii, C-b-i, D-c-i
B.
A-a-iii, B-b-ii, C-d-iv, D-c-i
C.
B-d-ii, A-a-iii, C-b-iv, D-c-
D.
A-a-iii, B-a-iv, C-c-i, D-b-ii
Q169
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Regarding to stele which of the following statement is correct?
A.
All the tissues lies inner to pericycle
B.
All the tissues lies inner to endodermis
C.
All the tissues lies inner to hypodermis
D.
All the tissues lies inner to epidermis
Q170
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Complimentary cells are formed by the activity of
A.
Vascular cambium
B.
Inter fascicular cambium
C.
Phellogen
D.
Intra fascicular cambium
Q171
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
Vascular cambium cuts off cells more
A.
Towards centre
B.
Towards periphery
C.
Both (1) and (2)
D.
None of these
Q172
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
In a dicot root, vascular cambium originates from.
A.
Parenchymatous conjunctive tissue located just below phloem bundles
B.
Medullary rays
C.
A portion of pericycle tissue, lying opposite to protoxylem
D.
Both (1) and (3)
Q173
Allen
10. (A) NCERT BASED QUESTIONS
MCQ
In a dicot root, the pericycle gives rise to
A.
Lateral roots
B.
Cork cambium
C.
A portion of vascular cambium
D.
All of the above
Q174
Allen
11. (B) ANALYTICAL QUESTIONS
MCQ
Select true statement
A.
Lenticels occur in woody trees
B.
Bark is a non-technical term
C.
Vascular cambium and cork cambium are examples of lateral meristems
D.
All of the above
Q175
Allen
11. (B) ANALYTICAL QUESTIONS
MCQ
During secondary growth in dicot stem, At some places, the cambium forms a narrow band of parenchyma, which passes through the secondary xylem and secondary phloem in radial directions. These are called :-
A.
Sap wood
B.
Heart wood
C.
Secondary medullary rays
D.
Primary medullary rays (4) Both Statement-I & Statement-II is incorrect.