Dibrugarh University| B.SC| CBCS| ZOOLOGY - (C-8)| Question Paper - (May/ June) - 2024| 4th Semester
4 SEM TDC ZOOH
(CBCS) C 8
2024
(May/June)
ZOOLOGY
(Core)
Paper: C-8
(Comparative
Anatomy of Vertebrates)
Full Marks: 53
Pass Marks: 21
Time: 3 hours
The figures in the
margin indicate full marks for the questions
1. Fill in the blanks with appropriate word: 1x5=5
(a) The accessory respiratory organs
present in the mudskipper fish are known as ______.
(b) Ovulation is stimulated by______
hormone.
(c) Nocturnal species of birds have
high density of______ cell which function well in poor light.
(d) Placoid scales are found in_____
fish.
(e) Heart is absent in_____.
2. Write
notes on any two of the following: 4x2=8
(a) Digestive system of birds
(b) Dentition in mammals
(c) Accessory respiratory organ in
fish
3. Describe
briefly on the structure of skin in different classes of vertebrates. 8
Or
Compare between the epidermis of
Amphibia and Reptilia with suitable diagram.
4. Describe
the structure of skull in different vertebrates. 8
Or
Write a brief account of basic
structure of vertebral column of human.
5. What is
lymph? Describe about the lymphatic system in mammals. Add a note on spleen.
2+4+2=8
Or
Give a comparative account of heart
in fishes, amphibia and birds. 8
6. Compare
the female genital system of a bird with that of a mammal. 8
Or
Describe about the type of uteri
found in different groups of mammals.
7. Compare
between the brain of fish and amphibia. 8
Or
What is receptor? Write about the
auditory system in human. 2+6=8
***
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