Name of the Organisation : University Of Library - Cochin University of Science and Technology
Name of the Exam : Common Admission Test (CAT)
Document Type : Sample Question Paper
Year: 2016
Subject: Zoology

Website : www.library.cusat.ac.in/cat/2016/
Download Model/Sample Question Papers: http://www.indianjobtalks.com/uploads/76256-Zoology.pdf

CAT Zoology Model Question Paper :
1. In Scorpions, respiratory organs are
A. Book lungs
B. Respiratory trees
C. Lungs
D. Gills

2. The male of a deer is called
A. Mare
B. Pup
C. Stag
D. Pony

3. ‘Binomial nomenclature’ of organisms indicate
A. A scientific and a popular names
B. different names proposed by two scientist
C. Names that indicate genus and species
D. Species name and a name derived from place of discovery and

4. In man, sleeping sickness is caused by
A. Trypanosoma
B. Myxobolus
C. Paragonimus
D. Ascaris

5. In Rattle snake, the rattle is made of
A. old scales
B. calcareous secretions
C. dried skin forming into rings
D. teeth

6. The condition occurring when an organism has 2n+1 chromosome composition is
known as
A. Trisomy
B. Monosomy
C. Diploid
D. Haploid

7. Contractile vacuole is analogous to
A. Heart
B. Kidney
C. Pancreas
D. Liver

8. Torsion and flexion of the body is an unique character of
A. Apoda
B. Gastropoda
C. Onychophora
D. Sipunculida

9. In Petromyzon, the number of gill-slits are
A. 7 pairs
B. 4 pairs
C. 2 pairs
D. 8 pairs

10. In insects, the smallest unit of Compound eye is
A. Ocellus
B. Simple eye
C. Lens
D. Ommatidium

11. Which one of the following features is common to sponges and bivalves?
A. Lack of symmetry
B. Flagellated collar cells
C. Suspension feeding
D. Siphons

12. Precipitation having a pH of less than 5.0 is known as
A. Rain
B. Storm
C. Acid rain
D. Hale storm

13. Increasing concentrations of toxic substance in organisms at higher trophic level is due to
A. Bioaccumulation
B. Biomagnification
C. Bioregulation
D. Biodegradation

14. Heart beat originates from
A. left auricle
B. right venticle
C. pace maker
D. cardiac muscles

15. The phenomenon that splits the population into smaller, most successful breeding groups is known as
A. Habitat fragmentation
B. Niche segregation
C. Habitat selection
D. Artificial selection

16. A ciliate that can cause red tides on the sea is
A. Noctiluca scintillans
B. Trichodesmium
C. Mesodinium rubrum
D. Didinium nasuata

17. Accumulation of lactate in muscles results in
A. Muscle fatigue
B. Muscle destruction
C. Muscular atrophy
D. Mysthenia gravis

18. The source of Ivory is
A. Blubber of whale
B. Bones of camel
C. Tusk of elephant
D. Horns of deer

19. The scientific name of common ‘Pin worm’ is
A. Enterobius vermicularis
B. Taenia saginata
C. Trichonella spiralis
D. Ascaris lumbricoides

20. Stereoscopic vision is the character of
A. Man
B. Frog
C. Fish
D. Lizard

21. In the development of chick, the number of somites seen in the embryo at 48 hrs of development is
A. 24 pairs
B. 13 pairs
C. 4 pairs
D. 18 pairs

22. In the life cycle of Plasmodium vivax, II generation of merozoites are found in
A. R.B.C.
B. Liver cells
C. Mosquito gut epithelial cells
D. Mosquito salivary gland lumen

23. Representative of sub-phylum cephalochordate
A. Branchistoma
B. Saccoglossus
C. Balanoglossus
D. Ascidia

24. Sinus venosus in frog is formed by the fusion of
A. 2 precavals and 2 post cavals
B. 2 precavals and one post caval
C. 1 post caval and one precaval
D. Pulmonary and precaval

25. Ligaments and tendons are formed by
A. Connective tissue
B. Epithelial tissue
C. Nervous tissue
D. Muscle tissue