Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Agricultural Officer/ Soil Conservation Officer etc in Agriculture/ Soil Survey etc' And exam conducted in the year 2021. And Question paper code was '016/2021'. 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.
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Causal organism of the sheath blight of rice
(A) Sarocladium oryzae (B) Rhizoctonia solani
(6) Drechslera oryzae (2) Pyricularia oryzae
The most important biologically active component of Neem
(A) Rotenone (B) Nicotene
(C) Azadirachtin (2) Pyrethrum
Alternate host of Puccinia graminis tritici
(A) Wheat (8) Barbery
(C) Barley (D) Cow-pea
Name the viral disease of banana.
(ಹ) Moko wilt (B) Bunchytop
(C) Panama wilt (D) Rhizome rot
‘Buprofezin' is an insecticide belonging to the group
(ಹ) Chitin synthesis inhibitor
(8) Sclerotization inhibitor
(C) Juvenile hormone analogue
(2) Antijuvenile hormone analogue
Chemical used for communication between individuals of the same species in insects
(A) Allomone (B) Pheromone
(C) Synomone (D) Kairomone
Root wilt disease of coconut is caused by
(ಯ) Virus (B) Fungus
(C) Bacteria (2) Phytoplasma
An example of acute rodenticide
(ಹ) Zine phosphide (B) Warfarin
(C) Methyl bromide (D) Metaldehyde
'Erineum' is the symptom caused by the infestation of
(ಯ) Thrips (B) Aphids
(C) Mites (D) Mealybugs
‘Kresek symptom’ in rice is due to
(^) Blast (B) Sheath blight
(C) Bacterial leaf blight (D) Sheath rot
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