
analisis residu 6
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Science
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University
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Fadli alfurqan
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50 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Tujuan utama bioassay pestisida adalah:
Mengukur kerusakan jaringan tanaman
Menentukan efektivitas dan toksisitas pestisida
Menentukan umur simpan pestisida
Mengukur kandungan pupuk dalam tanah
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Parameter LC50 pada bioassay pestisida menunjukkan:
Konsentrasi pestisida yang menyebabkan 100% kematian hama
Dosis minimal yang tidak mematikan hama
Konsentrasi yang mematikan 50% populasi target
Konsentrasi pestisida dalam air tanah
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Jenis bioassay yang menggunakan mikrosiringa pada tubuh serangga adalah:
Ingestion
Contact
Topical
Fumigasi
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Bioassay kontak paling sesuai digunakan pada:
Ulat besar
Kutu daun, trips, tungau
Serangga gudang
Nyamuk
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Pada ingestion bioassay, parameter yang TIDAK diamati adalah:
Mortalitas
Laju konsumsi
Pertumbuhan
Tingkat kepadatan populasi
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Bioassay fumigasi umumnya digunakan untuk:
Hama gudang seperti kumbang
Kutu daun
Serangga besar seperti ulat
Jamur tanah
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Systemic bioassay dilakukan dengan:
Menyuntikkan pestisida sistemik ke tanaman
Mencelupkan serangga ke larutan pestisida
Menyemprotkan larutan ke dinding kandang
Meletakkan cakram uji pada media buatan
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