Pembelajaran Berbasis Riset Bahan Alam
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Nama ilmiah Buas-buas atau Singkil adalah ...
Premna serrata
Premna corymbosa
Premna serratifolia
Premna steppicola
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Tahapan riset alam dengan pendekatan metabolomik adalah ...
Maserasi, fraksinasi, analisis dengan intrument, dan analisis multivariant.
Ekstraksi, fraksinasi, analisis dengan intrument, dan analisis multivariant.
Distilasi, fraksinasi, analisis dengan intrument, dan analisis multivariant.
Ekstraksi, fraksinasi, analisis dengan intrument, dan analisis monovariant.
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Green solvent yang dapat digunakan untuk mengekstraksi dan isolasi bahan alam adalah ...
Ionic liquids, Deep eutectic solvent, CO2, dan metanol.
Ionic liquids, Deep eutectic solvent, CO, dan bioetanol.
Ionic liquids, Deep eutectic solvent, CO2, dan bioetanol.
Ionic liquids, Deep eutectic solvent, CO2, dan etanol.
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Instrumen yang dapat digunakan untuk mendeteksi gugus fungsi dari sampel bahan alam adalah ...
Mass spectroscopy (MS)
Fourier-transform infrared (FTIR) spectroscopy
Gas chromatography (GC)
Liquid chromatography–mass spectrometry (LC–MS)
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Instrument yang dapat digunakan untuk menentukan bioaktivitas ekstrak bahan alam adalah ...
Nuclear magnetic resonance (NMR) spectroscopy
Gas chromatography–mass spectrometry (GC-MS)
Fourier-transform infrared (FTIR) spectroscopy
Ultraviolet-visible (UV-Vis) spectroscopy
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Instrumen yang paling tepat untuk menentukan senyawa yang terdapat dalam minyak atsiri adalah ....
Liquid chromatography–mass spectrometry (LC–MS)
Gas chromatography–mass spectrometry (GC-MS)
Fourier-transform infrared (FTIR) spectroscopy
Ultraviolet-visible (UV-Vis) spectroscopy
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Golongan metabolite sekunder dan gugus fungsi yang paling berpengaruh terhadap inhibisi α-glukosidase berdasarkan pendekatan metabolomik adalah ...
Phenolik dan gugus aldehid
Flavonoid dan gugus aldehid
Flavonoid dan gugus keton
Steroid dan gugus aldehid
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