TEST
THIRD
Question 1
|
Casparian strips are
present in the _____ of the root.
A
|
pericycle
|
B
|
cortex
|
C
|
epiblema
|
D
|
endodermis
|
Question 2
|
In an annual ring, the
light coloured part is known as
A
|
Heartwood
|
B
|
Late wood
|
C
|
Early wood
|
D
|
Sapwood
|
Question 3
|
The inner, darker and
harder portion of secondary xylem that can not conduct water, in an older dicot
stem, is called
A
|
Bast
|
B
|
Alburnum
|
C
|
Duramen
|
D
|
Wood
|
Question 4
|
Seed coat is not thin,
membranous in [NEET 2013]
A
|
Groundnut
|
B
|
Coconut
|
C
|
Maize
|
D
|
Gram
|
Question 5
|
Lenticels are involved
in [NEET 2013]
A
|
Transpiration
|
B
|
Gaseous exchange
|
C
|
Food transport
|
D
|
Photosynthesis
|
Question 6
|
Age of a tree can be
estimated by [NEET 2013]
A
|
Its height and girth
|
B
|
Biomass
|
C
|
Number of annual rings
|
D
|
Diameter of its heartwood
|
Question 7
|
For a critical study of
secondary growth in plants, which one of the following pairs is suitable?
A
|
Wheat and maiden hair
fern
|
B
|
Sugarcane and sunflower
|
C
|
Teak and pine
|
D
|
Deodar and fern
|
Question 8
|
Heartwood differs from
sapwood in
A
|
Absence of vessels and
parenchyma
|
B
|
Presence of rays and
fibres
|
C
|
Being susceptible to
pests and pathogens
|
D
|
Having dead and
non-conducting elements
|
Question 9
|
Interfascicular cambium is
a
A
|
Type of Protoderm
|
B
|
Primordial meristem
|
C
|
Primary meristematic
tissue
|
D
|
Secondary meristematic
tissue
|
Question 10
|
Identify the plant parts
whose transverse sections show a clear and prominent pith.
A
|
Dicot stem and monocot
stem
|
B
|
Dicot stem and dicot root
|
C
|
Dicot root and monocot
root
|
D
|
Dicot stem and monocot
root
|
Question 11
|
In a dicotyledonous stem,
the sequence of tissues from the outside to the inside is:
A
|
Phellem-phloem-endodermis-pericycle
|
B
|
Phellem-pericycle-endodermis-phloem
|
C
|
Pericycle-phellem-endodermis-phloem
|
D
|
Phellem-endodermis-pericycle-phloem
|
Question 12
|
As secondary growth
proceeds, in a dicot stem, the thickness of
A
|
sapwood increases
|
B
|
heartwood increases
|
C
|
both sapwood and
heartwood increases
|
D
|
both sapwood and
heartwood remains the same
|
Question 13
|
Arrange the following
plants in ascending order based on the number of xylem strands in their roots :
(I) Trapa
(II) Pisum
(III) Castanea
(IV) Nicotiana
A
|
II, IV, III, I
|
B
|
III, IV, II, I
|
C
|
IV, III, I, II
|
D
|
I, IV, II, III
|
Question 14
|
Read the following lists
and select the correct option.
List – I
|
List – II
|
|
A. Extrafloral Nectaries
|
I. Achras
|
|
B. Schizogenous cavities
|
II. Tropaeolum
|
|
C. Laticiferous ducts
|
III. Passiflora
|
|
D. Hydathodes
|
IV. Eucalyptus
|
|
V. Pinus
|
||
A
|
A - III, B - I, C - II, D
- IV
|
|
B
|
A - II, B - I, C - III, D
- IV
|
|
C
|
A - III, B - V, C - I, D
- II
|
|
D
|
A - V, B - II, C - I, D -
III
|
|
Question 15
|
Which one of the following
is the correct sequence of tissues present in dicot stem during secondary
growth?
A
|
Primary cortex, secondary
cortex, phellogen, cork
|
B
|
Cork, primary cortex,
secondary cortex, phellogen
|
C
|
Phellogen, cork, primary
cortex, secondary cortex
|
D
|
Secondary cortex, cork,
phellogen primary cortex
|
Question 16 Intercalary meristem is a derivative of
A
|
Lateral meristem
|
B
|
Secondary meristem
|
C
|
Primary meristem
|
D
|
Promeristem
|
Question17
|
Quiescent centre is found
in plants at :
A
|
Shoot tip
|
B
|
Cambium
|
C
|
Root tip
|
D
|
Leaf tip
|
Question 18
|
The monocotyledonous seed
consists of one large and shield shaped cotyledon known as
A
|
Coleoptile
C Aleurone layer
|
B
|
Scutellum
D Coleorhiza
|
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