Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'RANGE FOREST OFFICER ' And exam conducted in the year 21. And Question paper code was '046/21'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
| Number of Questions : 32
Time : 3.00 Hours
. Who proposed apical cell theory ? Briefly explain its concepts.
. What is ecotone 7 Briefly describe its major properties.
. What is resolving power ? What 15 its property with respect to numerical aperture ?
. What are priones ?
. Define :
(8) Holo type
(b) Lecto type
(£) Para type
(d) Syn type.
. What are tylosoides ? Describe its significances and functions.
. What are the principles of lon exchange chromatography 7
Describe the composition of Carnoy’s fluid. Describe its properties and uses.
Write the causative organism of the following diseases. ۔
(8) Mahali of Areca-nut
(9) Blast of Paddy
(c) Quick wilt of Pepper
(d) Citrus Canker.
Write an account of Fossil Bryophytes.
Briefly describe the types of nectaries in plants. What are their significances 7
What are vital stains ? Describe the properties of any 4 vital stains.
What is rhizosphere ? Describe its significances.
Describe the methods of genetic recombinations in Bacteria.
Max. Marks : 200
Which are the heterosporous pteridophytes ? Comment on the significance of heterospory in
development of seed habit.
What is endemism ? Describe its types. Cite three plant species endemic to Western Ghats. (5 Marks)
What is speciation ? What are the mechanisms of speciation.