Content text Mango citrus questions.pdf
1 Question paper on Mango and Citrus 1. -----------------is a monophagous pest on mango is Stone weevil, Mango hopper 2. ----------- feeds on mango inflorescence during flowering season -Mango hopper 3. Mango fruit become marble sized due to attack of ---------- Stone weevil 4. ----------------- is the scientific name of mango mealy bug -Drosicha mangifera 5. --------------- is the scientific name of mango leaf twisting weevil - Apoderus tranquebarious 6. Citurs can be covered with prerforated polythene bag to control the incidence of --------- Fruit sucking moth 7. Larvae feed their own exuviae after each molting in the case of ------------- Citrus butterfly 8. Scientific name of citrus leaf mite is---------------- Eutetranechus orientalis 9. Scientific name of citrus leaf roller is----------------- Psorostichya zizyphi 10. Male annihilation technique is used to control _________________- Fruit fly 11. The chemical used in male annihilation technique is ___________- Methyl eugenol 12. Breeding weed host of fruit piercing moth- Tinospora cordifolia 13. Site of oviposition for mealy bug is------------- a. On the leaf b. On twig c. In soil d. On fruit 14. Severe infestation results in mango fruit drop and liquid oozes out upon pressing a. Batocera rufomaculata b. Sternocheatus mangiferae c. Bactrocera dorsalis d. Procystiphora mangifera 15. ---------------- causes irritation during harvest and is a nuisance in mango orchards a. Red tree ant b. Leaf twisting weevil c. Black ant d. Leaf webber 16. Citrus butterfly belongs to family a. Nymphalidae b. Papilionidae c. Lycaenidae d. None of the above 17. Ring like scarred area encircling the citrus stalk and irregular mottled patches on rind is symptom of a. Thrips b. Whitefly c. Aphids d. Scale 18. Citrus leaf miner belongs to family