Sample Questions in Crop Protection PDF

Part IV -........ ;_ Sampie Questions in Crop F:rotection.. ~ :. ,.....

Part IV -........ ;_ Sampie Questions in Crop F:rotection.. ~ :. ,.. Section 1. Probiems In Insecticide Calcu latior.s. If Insecticide X contains the activ5 inoiedient imidadooiid at 300 al iite; of the formulated prod uct, what pe r ~nge of the f=;roduct is i~ acti v~ ingredient? a. 0.3 b. 3 C. 30 d. 300 ? lr.se::ticide Y has 3% active ingredient.. Express tr1e concentration of Insecticide Y in parts per miliion. a. 300 b. 3000 c. 30,000 d. 300,000 During seyere corn borer infestation , Furadan 3G should be aoplied at 33.3 kg/ha _ How much cf th.z ;:;rvewct is needed for 15,000 m2 of com in case of _severe com borer i nfes!at:c~? a. 133. 3 kg J?.: 49.95 kg C. 92.29 kg d. 33.33 kg 4. if 33.3 kg Fu;adan 3G had been used and it has 30 g Cartofurar. active ingredientfKg product how many kiiograms of Carbcifuran was applied? a. 0.5 b. 5 c. 1 d. 10 · 5. At the application rate of 33.3 kg Furadan 3Gfna, how much would be applied per plant r. there were 75 ,000 plants in the 15.000 m 2 farm? a. ~.O?g _E: 0.67gc. 1.6g · d. 7.5g 6. How much of Confider SL 100 is nee-::ied to prepare..a 2,500 liters efspray soJlfijon if the dilution rate is 25 m i/1 00 L of water? a. 625 ml b. 62.5 L c. 5.25 L d. 250 L...._ 7. If the only available packaging in a fanner s favorite store is 250 ml bottle of Confider SL 100, how many bottles should the farmer buy if he needs 2.25 liters? a. 7 b.8 c. 9 d. 10 8. Confider SL 100 costs P750 per 250 ml bottle. How much does a mango · farmer has to pay for 2.25 liters of Confidor SL 100? Ci. P? ,500 b. P6.500 C. ?€.250 A ?6 ,750 S. Sumicidin 3EC hes t o~ mixed at 5 tbsp!';6 liter water. What is the diluiio:i rate cf Sumicidin 3EC to water? a. 5:16 b. 25:rn c. 50:16 d._1:320 Sumicidin 3EC has to be mixed at. 5 tbsp/16 L water, what is the - '"'· If I"\ percentage of Sumicidin 3EC in the spray solution? a. 0.31 b. 5 C. 8 d. 32 4  11.."'-! the seedling stage of the rice plant, insecticide M should be applied at 19 16 ii-S?raye: loads per hectare. How many liters of spray solution have to be prepared for a 1.25 hectare rice fann at seediing stage? a. 304 b. 19 ~380 d. 16 12.Re;::ommeridation cal!s ioi 40 and 30 ml of inse:::ticide M per sprayer lead. if i8 and 3~ sprayer loads will be used during the seedling and vegetative stages of the rice piant, respectively, how much more insecticide M is needed in spraying a hectare at vegetative than at seedling stage? a. 120 mi b. 10 ml c. 17 ml d. 170 ml = A ~rbamte insecticide, effective against thrips, has 500 g Methiocarb per icg formulated product. Wnat is the concentration in percent of the formulated product? · · a. 5 b.50 c.0.5 d. 31.25 !4. For severe infestation, a pyrethroid insect:d~ wi i ~ ·;.-5% active ingredient should be used at 5 tbsp/16 liter of w2te i". What is the concentration in percent of the spray solution? a. 0.025 · b. 0.05 c. 0.075 =d. 0.08 15. If i 50 iiters of the spray solution should be prepared , how many kilograms of t"le formulated product are needed with the recommendation ti at ii has iO be applied at 5 tbsp/16 liters of water? a. 4.7 b.0.5.f.:..0.47 d. 15 16. A slurry. good for 1 kg of seeds , is prepared by mixing 12.5 ml of Insecticide f