61. The ladder shaped scrapping on the rice leaves is due to
62. Linker of Apterygotes and pterygotes is
63. Aphids and white flies are effectively controlled by
64. The national animal of India is
65. The infested region on bark turns into pink colour and pink colour encrustation on apple fruits are tile characteristic damage symptoms of
66. In termites trail pheromone is produced from
67. Pink boll worm is a serious pest of :
68. Piercing and sucking type of mouth parts are found in
69. Skeletimization of tobacco leaves is caused by
70. Antennae is absent in
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