Tag Archives: NET Life Science Model Questions

Free Net Life Science Study Materials

CSIR NET Question Paper Model Examination (04)

(1). In pET expression vectors, high level of expression of cloned gene is achieved using a.       T7 promoter b.      SP6 promoter c.       Λ-PL promoter d.      Trp promoter (2). Archaea is considered as a separate group from bacteria and eukaryotes, based on a.       Genome sequence b.      16S rRNA gene sequence c.       […]

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mcq on water chemical & physical properties

MCQ on Water, pH and Buffer Systems (Part-3)

(1). What is the molecular weight of water?       a.       10 g/mol       b.      15 g/mol       c.       18 g/mol       d.      20 g/mol (2). What is the H+ ion concentration in pure water?      a.       1 X 10-7 m   […]

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MCQ on Hydrogen Bond, pH Scale

MCQ on Water (Part-2)

(1). Bond length between H and O atoms in water is: a.       0.00965 nm b.      0.0965 nm c.       0.965 nm d.      9.650 nm (2). The van der Waals radius of Oxygen atom in water molecule is a.       1.2 Å b.      1.4 Å c.       1.6 Å d.      1.8 Å Learn more: […]

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