Total No. of Printed Pages—3
3 SEM TDC BOTH (CBCS) C 5
2 0 2 0
( Held in April–May, 2021 )
BOTANY
( Core )
Paper : C–5
( Anatomy of Angiosperms )
Full Marks : 53
Pass Marks : 21
Time : 3 hours
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The figures in the margin indicate full marks
for the questions
1. Choose the correct answer of the following :
1×5=5
(a) The tunica-corpus theory was put forth
by Foster/Schmidt/Strasburger/Nägeli.
(b) The vascular bundles in monocot stems
are open/closed/radial/amphicribral.
(c) Active divisions occur in the cells of
xylem/phloem/cambium/collenchyma.
16-21/475 ( Turn Over )
( 2 )
(d) In old corky stem, gaseous exchange
between air and internal tissues takes
place through stomata/sieve/lenticels/
tracheids.
(e) Interfascicular cambium is situated
outside the vascular bundles/in pith/
in between vascular bundles/inside the
vascular bundles.
2. Explain any four of the following : 3×4=12
(a) Ergastic substances
(b) Plasmodesmata
(c) Complex tissue
(d) Quiescent centre
(e) Pericycle
3. Differentiate between any three of the
following : 4×3=12
(a) Sapwood and Heartwood
(b) Primary meristem and Secondary
meristem
(c) Collenchyma and Schlerenchyma
tissues
(d) Cork cambium and Vascular cambium
(e) Dicot and Monocot stem
16-21/475 ( Continued )
4. What are permanent tissues? Describe the
different types of simple permanent tissues.
2+10=12
Or
With suitable sketches, describe the process
of secondary growth in dicotyledonous stem.
3+9=12
5. With suitable sketches, mention the
distinguishing characters of different types of
vascular bundles found in angiosperms.
6+6=12
Or
Describe about the anatomical adaptations
of xerophytes and hydrophytes. 6+6=12
H H H
16-21—2000/475 3 SEM TDC BOTH (CBCS) C 5
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