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.
61. Food given to honey-bee larva which later develops to queen
(4) Royal jelly (8) Royalactin
(C) Queen substance (D) Nectar
62. Mechanism by which the host plant adversely affects the biology of insect and its
progeny
(^) Antixenosis (B) Tolerance
(C) Nonpreference (2) Antibiosis
63. Bordeaux mixture was discovered by
(^) ೫.೫. Smith (B) Robert Hook
(C) Tisdale ന) Millardet
64. 25510010 introduced for the management of papaya mealybug
(^^) Trichogramma chilonis (B) Acerophagus papayae
(ಲ) Cyrtobagous salviniae (D) Goniozus nephantidis
65. A systemic fungicide
(A) Copper oxychloride (B) Copper hydroxide
(6) Carbendazim (D) Mancozeb
66. Vector of cassava mosaic disease
(A) Whitefly (B) Thrips
(C) Plant hoppers D) Mealybug
67. Which among the following is a total stem parasite 7
(4) Broomrape (B) Witchweed
(C) Loranthus (D) Dodder
68. 086 heart' symptom in rice is caused by the infestation of
(4) Rice Leaf folder (B) Brown plant hopper
(C) Rice bug (D) 1106 stem borer
69. 'Bollguard' is a transgenic cotton which expresses the crystal protein of
(A) Bacillus thuringiensis (B) Beauveria bassiana
(C) Bacillus popilliae (2) Metarhizium anisopliae
70. Name a fungus used in the biological control of plant diseases.
(^^) Aspergillus (B) Rhizopus
(C) Trichoderma (D) Pseudomonas
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