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Indian Forest Services (Main)
Examination-2025 DJSM-U-FSTY
FORESTRY
PAPER—I
Time Allowed : Three Hours Maximum Marks : 200
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.
Question Nos. 1 and 5 are compulsory. Out of the remaining SIX 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.
Neat sketches may be drawn, wherever required.
Answers must be written in ENGLISH only.
DJSM-U-FSTY/53 1 | ୭:୮୦.
പ SECTION—A
1. Answer the following : 8x5=40
(a) How does light affect the forest vegetation? Explain with suitable examples.
(b) Describe the felling pattern adopted under uniform system.
(c) Write the scientific names and uses of eight mangrove species.
(0) Discuss the silvicultural characters of Acacia nilotica and Cedrus deodara.
(e) Give the phenological characters of Tectona grandis and Albizzia lebbeck.
2. (a) Describe the external factors of environment which affect the germination of
seeds in the natural forests. 15
(b) Describe the methods of regeneration followed under clear felling system with
suitable examples. 15
(c) ( Write the advantages of simple coppice system and coppice with standard
system.
(ii) Differentiate between coppice of two rotations system and shelterwood
coppice system. 10
૩. (a) Describe briefly the following :
(i) Site quality
(1) Hardening
(1) Tending
(iv) Thinning
(v) Grading 15
(b) Describe the habitats and characteristics of mangroves. Discuss their
ecological values. 15
(c) Write the distribution and economic importance of Dalbergia sissoo and
Emblica officinalis. 10
DJSM-U-FSTY/53 2
Write the major characteristics of cold deserts. Describe two cold deserts of
India. 15
(b) Describe the regeneration of the following tree species :
(9 Shorea robusta
(1) Azadirachta indica
(iti) Hardwickia binata 15
(c) Explain any two of the following :
(i) Periodic blocks
(ii) Felling cycle
(11) Felling series
(iv) Taungya 10
SECTION—B
5. Answer the following : 8x5=40
(a) Write the scientific names and uses of eight tree species suitable each for
temperate and arid climate agroforestry plantations.
(b) What are the characteristics of trees suitable for watershed management?
(c) Write in brief the following :
(i) Objectives of social forestry
(1) Multipurpose trees and their characteristics
(d) Enumerate the various measures to control noise pollution.
(e) Define tree improvement. What are the basic steps involved in the genetic
improvement of a given tree species?
6. (a) Describe an agroforestry model suitable for hill farming system. How does it
increase the productivity of degraded hills? 15
(b) Discuss in brief the mechanical composition of soil. 15
(c) Define the following :
(0 Seed orchard
(ii) Exotics
(iii) Plus tree
(iv) Progeny test
(v) Elite tree 10
DJSM-U-FSTY/53 3 ۶۷۵
धि
(6)
धि
(6)
What do you mean by Forest Genetic Resources (FGR)? How do you conserve
them?
Enumerate the guiding principles to finalize the choice of tree species for
afforestation of denuded areas where soil conservation measures are
implemented.
Describe the serious effects of global warming.
Explain the various classes of threat to the biodiversity.
Describe the significance of ‘plant introduction’ as one of the major methods of
tree improvement.
Discuss the benefits of Joint Forest Management (JFM). Write the guidelines
suggested for ensuring meaningful participation of women in JFM.
kkk
10
15
15
15
15
10
DJSM-U-FSTY/53 4 26BS—1824
