A-JGPT-M-ENQ-A
Jndian Forest Service Examins ·2013
FORESTRY
PAPER-I
CONVENTIONAL)

ITime Allowed Three Hours I IMaximum Marks 200I
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 chronological 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.
AIl 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.


1. Answer the following 8x5=40
Enumerate the factors which decide the choice of species for plantation. 8
"Configuration of the land surface has an impact on local climatic conditions
and wind movement, which in tum have a bearing on forest." Comment. 8
Explain the evolution of the concept of plant succession. 8
Explain the following mangrove habitats 8
Deltaic mangrove habitat
(ii)Coastal mangrove,habitat (both east and west coast)
(e)Explain the factors which affect the length of regeneration period in a Periodic
Block. What is the effect of regeneration period on the form of crop? 8

2.(a)What are the specific problems of the following wastelands? Suggest at least
three species for planting in each of them 5x4=20
(i)Hot desert
(ii)Saline and alkaline soils
(iii)Wetlands
(iv)Cold desert
(b)Explain the role of thinning in forestry. What are the different methods of
thinning followed in regular crops? Discuss in detail crown thinning. 20

3.(a)How is allotment of areas made in Permanent and Floating Periodic Blocks? 10
Describe the method followed to introduce the uniform Shelter wood System in
a forest where Cedrus deodara is mixed with Pinus wallichiana 10
Write about the impact of felling height and felling intensity on the
sustainability of bamboo's clump. 10
Large-scale mortality has been noticed in Dalbergia sissoo and Acacia nilotica
What could be the possible reasons for this mortality? 10

4.(a)Explain various factors affecting the choice between artificial and natural
regeneration with reasoning. 10
(b)What are the sources 'and nature of elements considered as essential plant
nutrients? 10
(c)What are the traditional practices and recent advances in tropical silvicultural
research? 10
Based on the objectives, what are the different classifications of the 'Forestry'? 10

SECTlON-B
5. Answer the following 8 x 5=40
What are the unique requirements of tree improvement in agroforestry? 8
Give the fundamental characteristics of tribal economy in India. 8
Elaborate upon the multipurpose tree species ideotype selection criteria 8
What entry point activities are recommended in joint forest management? 8
Describe tree-crop allelopathy in agroforestry. 8
6.(a)What is global warming? Discuss how it disturbs the ecological balance of
nature,and suggest suitable remedies. 20
(b)Explain the following: 2Y2x4=10
(i)Criteria Pollutants
(ii)Pollutant Standards Index
(iii)Severance Tax
(iv)Smog
(c)Write a note on 'role of microorganism and Rhizobium in amelioration of forest
soils'. 10
7.(a)Describe the anthropogenic causes of forest destruction. How can these be
checked? 10
(b)What are the fundamental bases of classification of agroforestry systems? 10
(c)Briefly describe the national legislation on biodiversity. Name the activities for
which States can seek funds from the Central Government. 10
(d)What is genetic drift? State and discuss Hardy-Weinberg law with its
significance. 10
8.(a)Describe the scope and objectives of forest management. What is the impact of
restrictions laid down by Hon'ble Supreme Court on green felling in forests? 10
(b)Write a note on 'pollen dilution zones in seed orchards'. Discuss various factors
affecting their effectiveness. What are the options available in lieu of pollen
dilution zones? 10
(c)Describe the operational use of vegetative propagation in tree improvement. 10
(d)What is watershed management? Explain its objectives and role in rural
development. 10