Dibrugarh University| B.SC - (CBCS)| ZOOLOGY - (Honours) (C - 1)| Question Paper - (March) - 2021| 1st Semester
1 SEM TDC ZOOH (CBCS) C – 1
2021
(March)
ZOOLOGY
(Honours)
(Core)
Paper: C – 1
Full Marks: 53
Pass Marks: 21
The figures in the margin indicate
full marks for the questions
1. Fill in the blanks: 1x5=5
(a) Nematocyst
cells are found in _________.
(b) Canal system
of Euplectella is ______.
(c) In Hydra,
coelom is _______.
(d) Wuchereria bancrofti
is transmitted by _________.
(e) In Lobosa
class, nutrition is ______.
2. Distinguish between any two of the following: 3x2=6
(a) Asconoid type
of canal system and Syconoid type of canal system
(b) Polyp and
Medusa
(c) Ctenophores
and Cnidarians
3. Write short notes on any three of the following: 3x3=9
(a) Metagenesis
in Obelia
(b) Nutrition in
Euglena
(c) Structure of
Paramecium
(d) Coral reefs
4. Describe in brief the process of reproduction in
Protista. 6
5. Describe in brief about the evolution of symmetry and
segmentation of Metazoa. 5
Or
Explain two
major types of skeletal elements of sponge.
6. Describe in brief the polymorphism in Cnidaria. 5
7. Write the general characters of Platyhelminthes. 4
Or
Describe the
sexual life cycle of Plasmodium vivax.
8. Describe the life cycle of Fasciola hepatica and its
pathogenicity. 4+3=7
9. Mention three general characters and give the classification
of Nemathelminthes up to class. 3+3=6
Or
Describe in
brief the pathogenicity and parasitic adaptation of Wuchereria bancrofti. 3+3=6
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