| Detail | Information |
|---|---|
| Examination | Indian Forest Service (Main) Examination |
| Year | 2019 |
| Conducting Body | UPSC |
| Paper | Zoology Paper - I |
| Subject | Zoology |
| Duration | Three Hours |
| Maximum Marks | 200 |
| Number of Questions | 8 |
| Question Type | Mixed |
The Indian Forest Service (Main) Examination 2019 Zoology Paper I, conducted by UPSC, is a crucial component for aspirants aiming for a career in forestry. This paper, carrying a maximum of 200 marks and a duration of three hours, assesses candidates' in-depth knowledge of Zoology. It comprises eight questions, of which five are to be attempted, with compulsory questions 1 and 5. Candidates must select at least one question from each of the two sections (A and B) from the remaining six. This paper is vital for understanding the complexity and scope of the IFS examination, providing valuable insights for preparation.
Section A
(a) Write in brief about the method(s) of ingestion, digestion of food and excretion of wastes in Paramaecium.
(b) Define body symmetry. Give its types with examples.
(c) Elaborate on the structural organization of compound eye in prawn.
(d) Elucidate the structural diversity of shells in molluscs. Also, write their functions.
(e) Briefly describe types of dermal scales and their structures in fishes.
Section A
(a) Describe the structure of human internal ear. Also, explain the mechanism of hearing and balancing.
(b) How is Ascariasis caused? Describe the mode of transmission and life history of Ascarias. Give the harmful effects of Ascariasis and its control measures.
(c) Explain the structure and mechanism of action of nematocysts in the defense mechanism of coelenterates.
Section A
(a) Explain the structure of respiratory organs and write the mechanism of terrestrial and aquatic respiration in arthropods.
(b) Enlist the distinctive features of various subclasses of Reptilia. Also, write the differentiating characters of poisonous and non-poisonous snakes.
(c) Highlight various characteristics of egg-laying mammals, pouched mammals and aquatic mammals.
Section A
(a) Describe in detail about the structural organization of mammalian pituitary gland with emphasis on its hormones and their functions.
(b) Enumerate the general features and parasitic adaptations of Fasciola.
(c) Giving suitable examples and diagrams, describe the phenomenon of parental care in Apoda, Anura and Caudata.
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The exam is the Indian Forest Service (Main) Examination.
This is for Zoology Paper - I.
The exam was conducted in 2019.
The examination is conducted by UPSC (Union Public Service Commission).
The maximum marks for Zoology Paper - I is 200.
The time allowed for this paper is Three Hours.