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BJIKE-U-FSTY
INDIAN FOREST SERVICE (MAINJEXAM- 2023
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.
Questions no. 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.
BJKE-U-FSTY 1
౧1. (a)
(b)
(০
(0)
(9)
Q2. (a)
(b)
(©)
SECTION A
The shoot portion of seedlings of some tree species like Sal and Sandal,
under natural regeneration, keeps on drying year after year but the
roots remain alive. Discuss. 8
Calculate the quantity of seeds (kg) required to establish a teak
plantation over an area of 10 ha. 8
What are mangroves ? Write their ecological implications. 8
What is frost hole ? How does frost affect regeneration ? 8
Write the botanical names of three tree species each of : 8
0) non-coppicers,
ઊં) ` ୮007 coppicers,
(11) ४००१ (fair) coppicers and
(iv) strong coppicers.
Describe the seed collection and storage methods of the following tree
species : 15
(i) Santalum album
(1) Chukrasia tabularis
(iii) Cedrus deodara
(iv) Azadirachta indica
(v) Dalbergia latifolia
Write the factors which affect the natural regeneration of Sal (Shorea
robusta). Discuss the procedure to obtain natural regeneration of moist
Sal forests. 15
What are accessory systems ? Describe the two-storeyed high forest
system. 10
BJKE-U-FSTY 2
९३. (8)
(b)
(০)
Q4. (a)
(b)
(০)
Write the economic importance of the following tree species : 26
൫ Acacia catechu
(1) Casuarina equisetifolia
(11) + Hardwickia binata
(iv) Butea monosperma
(੮) Tamarindus indica
What are the sequences of operations followed in mangrove afforestation ?
Discuss in detail the fishbone technique of mangrove plantation. 10
Who developed the Andaman Canopy Lifting Shelterwood System ?
Describe the different operations being followed in the system. 15
What is a cold desert ? Describe the distribution pattern of cold desert
species in India. How are cold desert areas afforested ? 15
What is clear felling system ? Describe the pattern of felling and
methods of obtaining regeneration under clear felling system. 10
Explain the following : 15
0) 14810060091
Gi) Root sucker
(111) Vermiculite
(iv) Buttresses
(v) 01666 and Ramet
BJKE-U-FSTY 3
SECTION B
౧5. (a) Explain the role of windbreaks and shelterbelts in Agroforestry. Name
two tree species for each.
(b) Discuss the significance of exotics in tree improvement. Name four
exotic tree species.
(6) How does moisture influence the soil formation and growth of
vegetation ?
(0) | Write a note on the gender issues in Joint Forest Management (JFM).
(6) | Greenhouse gases result in global warming. Discuss.
౧. (a) Discuss the role of Agroforestry in the well-being of mankind.
(b) Explain the theory of humus formation predominant in forested
vegetation.
(€) What is deforestation ? Discuss the impact of deforestation on the
environment.
Q7. (a) Enlist the problems faced by the tribal communities in India.
(b) Explain the benefits of watershed management.
(€) (i) Define heritability and its types. How does Narrow Sense
Heritability differ from Broad Sense Heritability ?
യ Discuss the scope and future of hybrids in applied tree
improvement.
౧8. (a) What are biofertilizers ? Enlist the factors associated with the
mycorrhizal development in trees. Discuss the types of mycorrhizae.
(0) Discuss the significance of variation in tree improvement.
(c) What is Environmental Impact Assessment (EIA) ? Describe the
activities involved and general procedure in EIA.
BJKE-U-FSTY ୪
००
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15
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