
teknik lab 2
Authored by Roza Helmita
Biology
University
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45 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Apa tujuan utama sterilisasi alat di laboratorium?
Meningkatkan efisiensi kerja
Menghindari kontaminasi
Mempercepat proses penelitian
Menambah daya tahan alat
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Apa yang dimaksud dengan limbah laboratorium non-hazardous?
Limbah yang dapat terurai secara alami
Limbah yang tidak berbahaya bagi lingkungan
Limbah yang memerlukan prosedur pembuangan khusus
Limbah berbasis bahan kimia
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Parameter apa yang sering digunakan untuk mengamati pertumbuhan tanaman?
Tinggi tanaman
Warna daun
Bentuk akar
Ketebalan batang
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Mengapa pH penting dalam kultur mikroorganisme?
Menentukan konsentrasi nutrisi
Memengaruhi aktivitas enzim
Menambah jumlah mikroorganisme
Mempercepat pembelahan sel
5.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Apa yang dimaksud dengan kurva pertumbuhan sigmoid?
Grafik pertumbuhan linier
Grafik pertumbuhan berbentuk S
Grafik pertumbuhan eksponensial
Grafik pertumbuhan lambat
6.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Jika pH kultur mikroorganisme menurun drastis, apa tindakan terbaik?
Menambah buffer untuk menstabilkan pH
Menambah air steril
Mengencerkan kultur
Menambah media kultur baru
7.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Anda diminta membuat larutan HCl 1 M. Apa langkah pertama?
Mengukur volume HCl pekat
Menimbang berat HCl
Menambahkan air terlebih dahulu
Mencampurkan larutan langsung
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