UPSC Indian Forest Service Main Exam Zoology Sample Question Paper 2015 : Union Public Service Commission
Organization : Union Public Service Commission
Exam : Indian Forest Service Main Exam
Subject : Zoology
Document Type : Sample Question Papers
Location : India
Year : 2015
Website : https://www.upsc.gov.in/
Download Model/Sample Question Paper Zoology I 2015 : https://www.pdfquestion.in/uploads/8388ZOOLOGY-I.pdf
Download Model/Sample Question Paper Zoology II 2015 : https://www.pdfquestion.in/uploads/8388ZOOLOGYII.pdf
UPSC Indian Forest Service Main Exam Question Paper
Question Paper Specific Instructions :
Please read each of the following instructions carefully before attempting questions :
** There are EIGHT questions in all, out of which FIVE are to be attempted.
Related :UPSC Civil Services Main Examination General Studies Sample Question Paper 2015 : www.pdfquestion.in/8392.html
** Questions no. 1 and 5 are compulsory. Out of the remaining SDX questions, THREE are to be attempted selecting at least ONE question from each of the two Sections A and B.
** Attempts of questions shall be counted in sequential order.
** Unless struck off, attempt of a question shall be counted even if attempted partly.
** Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.
** All questions carry equal marks. The number of marks carried by a question/part is indicated against it.
** Answers must be written in ENGLISH only.
** Neat sketches may be drawn, wherever required
Section—A :
1. Write notes on the following : 8X5=40
(a) Signi?cances of conjugation in Paramecium
(b) Adaptive diversity in polychaetes based on habitat
(c) Effects of torsion in gastropods and its signi?cance
(d) Air sacs in pigeon and their functions
(e) Adaptations of aquatic mammals
2. (a) J‘Evolution of metazoan is the differentiation of cells to perform different functions.” Justify this in relation to the cellular organization of hydrozoans. 15
(b) Discuss the af?nities of Onychophora and suggest a suitable place for this in the animal kingdom. 15
(c) Explain how the structure and life history of Fasciola hepatica are suitable for parasitic mode of life. 10
3. (a) Discuss the signi?cance of echinoderrn larvae. 15
(b) Describe the adaptive devices of tropical freshwater ?shes to live in marshes and swamps. 15
(c) Describe the types of skull in Reptilia with neat labelled sketch. 10
4. (a) Describe the functions of ovarian hormones. 10
(b) Compare the aortic arches of reptiles with birds with neat sketch. 15
(c) Describe different types of jaw suspension in vertebrates with neat sketch. 15
Section—B :
5. Write notes on the following : 5X5=40
(a) Ecological effects of pollution
(b) Biological clock
(c) Chi-square test
(d) Cholera
(a) Pearl culture
6. (a)Describe any two sedimentary biogeochemical cycles in nature. 10
(b) Explain in detail about the methods of studying animal behaviour. 15
(c)Discuss the importance of forests and mention the conservation steps to be undertaken 15
Physics :
Section A :
Attempt all of the following :
(a) Explain the concept of terrestrial planets in the solar system, and state the Kepler’s laws of planetary motion.
(b) Earthquake refers to what state of crusts- plate. Determine the Richter Magnitude (M) of an earthquake whose large31 wave prerecorded by standard seismograph is 10 mm at a distance of 100 km from the epicenter
(c) Explain the physical meanings of ‘Eigenvalues and ‘Convectors’ of a matrix, and find out the eigenvalues and convectors of the given matrix
(d) Distinguish clearly between micro canonical canonical and grand canonical ensembles. Which ensemble is most commonly used and Why ?
(e) What is half wave dipole antenna 2‘ Discuss its advantage over Hertzian antenna in terms of radiation resistance
Section B :
(a) In what fashion are Bouncer anomalies observed over Abyssal plains, recently uplifted younger mountains and ancient continental shields ?
(b) Which features of Plate Tectonics interaction mechanisms support that the Earth is neither expanding nor contracting ?
Attempt any two parts of the following : 2×10=20
(a)(i) Explain the presence of ‘seismic shadow zone’ for P-Wave with suitable ray path diagram.
(ii) Why is the Earth’s mantle considered to be solid ? State.
(b) (i) Rate of ‘Heat ?ow? inside the Earth depends or. Which two basic factors ? Define its standard unit of measurement.
(ii) Write the characteristic average heat how values in continental shield, ocean basin and mid-oceanic ridge region.
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