Exam Details

Subject zoology
Paper paper 1
Exam / Course civil services main optional
Department
Organization union public service commission
Position
Exam Date 2007
City, State central government,


Question Paper

IAS Mains Zoology 2007
Paper-I
Section-A

Write concise account of any three of the following in about 200 words each: 20 × 3 60

Various types of symmetry found in animal kingdom, with suitable examples.

Comparison of alimentary canal of frog and rabbit

Torsion in gastropoda

Structure and function of thyroid gland along with its regulation.

Explain the status of Protista and parazoa giving their characteristics with suitable example.

Explain the metamorphosis in insects and its hormonal regulation.

Draw well labeled diagram of transverse section of mammalian testis and ovary. Describe the function of Male and female sex hormones (Testosterone and estrogen)

Section B

Write brief account of any three of the following in about 200 words each: 20 × 3 60

What is ecological succession? Describe its process in a pod or lake.

Concept of imprinting

Malaria: Its vector, pathogen and prevention

Chi-Square and its importance

What is pollution? Describe water pollution, its sources and prevention.

What is sericulture? Describe the tools and materials required for it. Mention different types of silk moth and varieties of silk common in India.

Answer the following questions

What is mean, median and mode? Explain the relationship between these three measures of central tendency.

what is electron microscopy? Mention different types of electron microscopes and their use in biology.


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