Kerala PSC Previous Years Question Paper & Answer
Page:17
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Forest Ranger (Range Forest Officer) (NCA- ST)' And exam conducted in the year 2023. And Question paper code was '059/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question83:-Which among the following statements are true about Exotic forestry?
(i) |The use of exotic plants and trees for various forestry applications.
(11) 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.
A:-(i) and (iv)
B:-(i) and (ii)
C:-All the above
D:-None of the above
Correct Answer:- Option-C
Question84:-The percentage of cellulose in wood ranges from to %.
൧:-40-50%
8 :-50-60%
C:-10-15%
D:-70-80%
Correct Answer:- Option-A
Question85:- type of management involves regulating numbers of animals
directly by harvesting or by influencing numbers by altering food supply, habitat,
density of predators etc.
A:-Custodial management
B:-Manipulative management
C:-Population management
D:-None of the above
Correct Answer:- Option-B
Question86:-Which part of the wood has the presence of natural preservatives?
A:-Annual rings
B:-Heartwood
C:-Sapwood
D:-Early wood
Correct Answer:- Option-B
Question87:-Which among the following options does not follow the specification for
a seed production area?
A:-Best near fully stocked natural stands or plantations
B:-Less crown surface area
C:-Stand must be old enough to produce seed