Manakah koloni yang menjadi ciri khas bakteri E.coli dalam pengujian Coliform air menurut SNI 3554: 2015?

COLIFORM AIR (PRETEST)

Quiz
•
Biology
•
Professional Development
•
Hard
aini fitrotun
Used 6+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Koloni berwarna merah muda hingga merah
Koloni berwarna kuning
Koloni berwarna merah muda hingga violet
Koloni berwarna biru tua hingga ungu
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Berapakah suhu dan waktu inkubasi untuk pengujian Coliform air?
35 ± 2°C, 21 ± 3 jam
35 ± 2°C, 48 ± 2 jam
36 ± 2°C, 48 ± 2 jam
36 ± 2°C, 21 ± 3 jam
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Manakah koloni yang dilakukan uji konfirmasi (uji oksidase) dalam pengujian Coliform air menurut SNI 3554: 2015?
Koloni berwarna merah muda hingga merah
Koloni berwarna kuning
Koloni berwarna merah muda hingga violet
Koloni berwarna biru tua hingga ungu
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Berapakah jumlah total koloni yang representatif untuk perhitungan hasil pengujian Coliform air menurut SNI 3554: 2015?
10–100
10-150
10-200
25-250
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Apakah satuan yang digunakan untuk pengujian Coliform air?
koloni/ mL
koloni/100 mL
koloni/150 mL
koloni/200 mL
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Manakah di antara berikut yang bukan syarat penyaring membran yang digunakan dalam pengujian Coliform air menurut SNI 3554: 2015?
Terbuat dari bahan mixed-ester-cellulose (MCE)
Ukuran diameter pori 0,22 µm
Memiliki ukuran diameter 47 mm atau 50 mm
Memiliki garis kotak-kotak
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