| Post Name | Forest Ranger (Range Forest Officer) (NCA- ST) - Forest |
|---|---|
| Question Paper Code | 059/2023/OL |
| Category Code | 485/2021 |
| Date of Test | 4 June 2023 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
Which among the following constitute the world's largest terrestrial biome?
Answer
A. Boreal forests
2
Which among the following forest type is represented by Myristica swamp forests as per Champion and Seth, (1968) classiļ¬cation?
Answer
B. Sub-group 4C
3
In zones where life forms of plants are of lower order than the actual climax association called
Answer
C. Sub-climax
4
Plants which prefer shade for growth are known as
Answer
B. Sciophytes
5
A set of organisms that occur together and that signiļ¬cantly aļ¬ect each other's distribution and abundance
Answer
D. Community
6
Consider the following statements regarding the methods of measuring Biodiversity: Which of the statements given below is/are correct? 1. Alpha diversity indicates the diversity between the communities. 2. Beta diversity indicates the diversity within the community. 3. Gamma diversity refers to the diversity of the habitats over the total landscape.
Answer
A. 3 only
7
The Kunming-Montreal Global Biodiversity Framework was adopted in which of the following COP
Answer
D. COP 15 of UNCBD
8
Which among the following is a tree species that usually yield MAI > 20 ?
Answer
B. Gmelina arborea
9
Which among the following is an example of high-altitude bamboo?
Answer
D. Arundinaria falcata
10
Which among the following is the most eļ¬ective index of site quality determination?
Answer
A. Top height
11
One of the following species usually does not produce coppice growth
Answer
C. Cedrus deodara
12
Density Management Diagrams used in plantation productivity assessment is based on
Answer
D. Yoda's power law of self-thinning
13
Match the following: 1. Advance thinning a. Removal of elite stems 2. Crown thinning b. German thinning 3. Free thinning c. Craib's thinning 4. Ordinary thinning d. French thinning
Answer
B. (1-c, 2-d, 3-a, 4-b)
14
The tree density per ha corresponding to quadratic mean diameter at breast height of 25.4 cm is called as
Answer
C. Reineke's stand density index
15
As per the State of the Forest report 2021, which among the following states is having the highest mangrove cover?
Answer
C. West Bengal
16
A potential limitation in qualifying agroforestry for carbon trading in small holder sector is
Answer
A. Huge transactional cost involved
17
The potential limitation to intensive agroforestry in the humid tropics is
Answer
B. PAR availability
18
Talun-Kebun and Pekranagan are examples of
Answer
B. Homegarden systems of Java, Indonesia
19
The space and time dominated systems such as homegardens is an example of
Answer
B. Interpolated systems
20
One among the following is an example for edible bamboo species having agroforestry importance
Answer
C. Dendrocalamus asper
21
One among the following is not a division of Social Forestry.
Answer
D. Conservation forestry
22
The type of ļ¬ow which is predominant in small watersheds is
Answer
B. Overland ļ¬ow
23
A hydrograph is plotted against
Answer
A. Stream discharge against duration of ļ¬ow
24
In areas having water shortage which method of irrigation is preferred
Answer
D. Drip
25
An aquifer that occurs above the regional water table is known as
Answer
A. Perched aquifer
26
The monthly rainfall for a place in Kerala during the month of August 2018 was recorded as 122mm above normal rainfall. The term 'normal' means
Answer
D. Average monthly rainfall for August computed from past speciļ¬c 30 year's record
27
Contour bunds are recommended as a soil and water conservation measure for areas having
Answer
B. Low rainfall and land slope less than 6 per cent
28
Large-scale forest cutting generally lead to
Answer
B. Increases stream ļ¬ow initially
29
Which of the following statement is/are correct about seed collection in forest? (i) Seeds collection from the isolated trees of naturally cross-pollinating species are avoided. (ii) Seed trees to be less than 50 mtrs. apart for seed collection. (iii) Collections from superior phenotypes if made should be kept separately.
Answer
C. Only (i) and (iii)
30
Smallest seed in forest trees of Kerala given below is
Answer
B. Adina cordifolia
31
Seed processing involves all the processes beginning from
Answer
A. Fruit harvesting to long term storage
32
Physiological dormancy in seeds is mostly observed in which type of the trees?
Answer
C. Temperate trees
33
Which of the following statement is/are correct about long term seed storage of orthodox species? (i) Low initial moisture content (ii) Sub-freezing temperature (iii) Sealed storage (iv) Between 10Ā°C to 16Ā°C
Answer
C. Only (i), (ii) and (iii)
34
Which of the following statement is/are correct about Central Seed Committee under THE SEEDS ACT, 1966? (i) A Chairman to be nominated by the Central Government (ii) Five persons to be nominated by the Central Government (iii) One person to be nominated by the Government of each of the States.
Answer
B. Only (i) and (iii)
35
Which among the following is useful in determining the border line trees during point sampling?
Answer
D. Point radius factor
36
According to the Metzger's theory the shape of the tree bole is given by
Answer
A. Cubic paraboloid
37
Multiple yield table is adopted for which species in India
Answer
A. Cedrus deodara
38
Sampling intensity adopted for tropical moist deciduous forest is _________%.
Answer
B. 2.5%
39
Which of the following statement is/are correct about the mean annual increment (M.A.I.) and current annual increment (C.A.I.) of a tree or stand? (i) C.A.I. can be negative but M.A.I. cannot be negative. (ii) C.A.I. continues to rise to the maximum even after the M.A.I. has started falling. (iii) After attaining maximum value for the M.A.I. the drop is not as rapid as C.A.I.
Answer
C. Only (i) and (iii)
40
Which band is not used in Spiegel relaskop?
Answer
B. Band 3
41
Standing Committee of the Convention on Wetlands has approved the theme for World Wetlands Day for 2024 as
Answer
B. Wetland and Human wellbeing
42
Which among the following is not a part of Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES)?
Answer
C. Biodiversity Committee
43
National Tiger Conservation Authority was constituted based on which amendment of Wildlife Protection Act 1972?
Answer
C. 2006
44
Which of the following statement is/are correct for the average net annual revenue obtained from a stand of tree? (i) It is inversely proportional to the cost of formation of stand (ii) Inversely proportional to the Rotation of the stand (iii) Proportional to the value of ļ¬nal felling
Answer
B. Only (ii) and (iii)
45
Which among the following is correct for the calculation of Yield regulation?
Answer
A. Based on increment - Biolley's check method
46
Which among the following is/are correct with respect to the legal backing of JFMC? (i) MOU to be signed between state government and JFMC's (ii) All adults eligible to become members (iii) Registration of JFMC's not necessary
Answer
A. Only (i) and (ii)
47
Representative fraction of ļ¬re map
Answer
A. 1 : 50000
48
Which of the following statement is/are correct for the Ground ļ¬re in the forest? (i) It has unique characteristic of having smouldering edge with no ļ¬ame and little smoke. (ii) It consumes organic matter like musk, duļ¬ present in forest ļ¬oor. (iii) Easily predictable and easy to tackle.
Answer
C. Only (i) and (ii)
49
Frost occurring on nights with clear sky produced by loss of heat
Answer
D. Radiation frost
50
Which among the following is not the properties of weed?
Answer
C. Seeds germinate at once
51
Grazing of a limited number of cattle diļ¬erent parts of the grazing area in predetermined sequence
Answer
D. None of the above
52
The distance of the ļ¬re trace from the advancing ļ¬re depends on
Answer
C. Both (1) and (2)
53
Which bio agent is used for control of parthenium weed?
Answer
A. Zygogramma bicolorata
54
Which of the following statement is/are correct for the white grubs seen in the nurseries? (i) They are polyphagous species (ii) Adult beetle reddish, brown or black in colour (iii) Larval stage last for 2-3 months
Answer
A. Only (i) and (ii)
55
Which among the following is not a wood destroying insects?
Answer
D. Argyroploce illepida
56
Which among the following is a broad-spectrum synthetic juvenile hormone mimic?
Answer
B. Methoprene
57
From the following which was released in masses in teak plantation of South India against the principal teak skeletonizer, Eutectona machaeralis?
Answer
C. Cedria paradoxa
58
What is another term for complete metamorphosis?
Answer
C. Holometabolous
59
Which among the following statement is wrong?
Answer
C. Kakkayam Ecotourism Destination is located in Kannur.
60
Which among the following methods are used for the economic valuation of the ecotourism site? I. Travel-Cost Method II. Hedonic Price Method III. Contingent Valuation Method IV. Replacement Cost Method
Answer
D. I, II, III and IV
61
The art of developing the plant or training the plant into diļ¬erent forms or shapes like animals, birds, arches, etc. is called as?
Answer
B. Topiary
62
Which one of the following is an example for informal type garden?
Answer
C. Japanese garden
63
Which among the following is not true about landscape ecology?
Answer
D. The role and activities of humans is not included in the landscape ecology studies.
64
The deļ¬nition of ecotourism "Responsible travel to natural areas that conserve the environment, sustains the well-being of the local people and involves interpretation and education" is given by
Answer
B. TIES - International Ecotourism Society
65
Which one of the following statements is not true regarding non-spatial data?
Answer
A. Non-spatial data represents the location of an object on earth surface
66
Choose the wrong one (Hint : Satellite - Its application)
Answer
D. SCATSAT - 1 - It is capable of imaging a swath (geographical strip) of 9.6 km and useful for cartographic applications.
67
Abbreviation of MODIS is
Answer
A. Moderate Resolution Imaging Spectroradiometer
68
Which of the following is not an open-source GIS software?
Answer
D. ArcGIS
69
Which among the following statement/s are wrong? I. Visible rays, thermal IR and Radio waves are used for remote sensing. II. Passive sensors have their own energy source for illumination. III. LISS III is an example for space-borne platform for remote sensing. IV. Electromagnetic (EM) spectrum is the range of all types of EM radiation.
Answer
D. II and III
70
Which one of the following pre-processing methods is not involved in digital image processing?
Answer
C. Parametric correction method
71
Which one of the following combination is not correct?
Answer
C. Wilt disease-Bacteria-Fusarium spp.
72
Which one of the following diseases is not associated with teak?
Answer
D. Leaf blight - Phoma tectonae
73
Which among the following statement is not correct regarding mycorrhiza?
Answer
D. Fungi which form ectomycorrhiza belong primarily to Phycomycetes.
74
Choose the wrong combination: (Hint: Tree-Nursery Disease-Causing organism)
Answer
D. Wilting - Trametes spp - Dalbergia sissoo
75
Which one of the following insects is Teak Skeletonizer?
Answer
B. Eutectona machaeralis
76
Which among the following is an example for edible mushroom?
Answer
A. Agaricus bisporus
77
Which among the following statement is not true regarding "Felling Rules" of logging operations?
Answer
C. Tree should be felled in the direction of downhill side.
78
The process whereby a felled tree is cross out into logs is called as?
Answer
B. Bucking
79
Which among the following statement is not true regarding girdling of tree?
Answer
B. Girdling is not recommended for forest management practices.
80
The entire opening between two adjacent teeth of a saw is called as?
Answer
D. Gullet
81
The type of sawing in which cut is made in a plane more or less parallel to the rays and perpendicular to growth rings is called as?
Answer
C. Quarter sawing
82
"Felling by roots" (or Felling for Roots) is advisable for which among the following species?
Answer
B. Santalum album
83
Which among the following statements are true about Exotic forestry? (i) The use of exotic plants and trees for various forestry applications. (ii) This is inevitable where indigenous species fail to produce the desired quality and quantity of the forest produces. (iii) They can sometimes be very competitive and invasive in nature. (iv) Indigenous trees have better resistance to diseases and pathogens as compared to exotic species.
Answer
C. All the above
84
The percentage of cellulose in wood ranges from ________ to ________%.
Answer
A. 40-50%
85
________ type of management involves regulating numbers of animals directly by harvesting or by inļ¬uencing numbers by altering food supply, habitat, density of predators etc.
Answer
B. Manipulative management
86
Which part of the wood has the presence of natural preservatives?
Answer
B. Heartwood
87
Which among the following options does not follow the speciļ¬cation for a seed production area?
Answer
B. Less crown surface area
88
Which among the following are Ground-based methods of radio- tracking animals? (i) Homing (ii) Triangulation (iii) Fixed towers (iv) Vehicle mounted antenna
Answer
D. All the above
89
Most tree improvement programs are designed to provide continued gain through ________.
Answer
B. Recurrent selection
90
An ongoing conservation breeding programme of the Central Zoo Authority for the conservation of Grey jungle fowl located at ___________.
Answer
A. Sri Venkateswara Zoological Park, Tirupati
91
Ketamine hydrochloride is a drug used for
Answer
C. Tranquilization of wild animals
92
A tree that has been selected for grading because of its desirable phenotypic qualities but that has not been graded or tested is known as ________.
Answer
C. Candidate tree
93
The air space present inside the perfectly dry wood material determines its _________.
Answer
B. Density
94
Which is the best way to evaluate the genetic worth of selected parent trees?
Answer
B. Progeny testing
95
Which among the following is a composite wood? (i) Particle board (ii) Core board (iii) Sandwich board (iv) Plywood
Answer
C. All the above
96
Where is the headquarters of WWF located?
Answer
D. Switzerland
97
The commonest type of defect in which portions of the branches enclosed within the wood is _________.
Answer
A. Knots
98
_______ is one of the bird sancturies in India.
Answer
B. Thattekkad
99
What are the features of Inbreeding depression? (i) Inbreeding depression of tree species can directly impact both genetic diversity and the overall ļ¬tness of individuals within populations. (ii) Essential to evaluating population viability and extinction risk from the perspectives of species conservation. (iii) Major type of inbreeding depression is expressed as albinism. (iv) This reduction in vigor is caused when recessive deleterious mutations become homozygous in oļ¬spring due to self-pollination and/or crossing with related individuals.
Answer
C. All the above
100
Which of the following statement about seasoned wood is false?
Answer
D. Seasoned wood is heavier
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