Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
(A) activation
(B) enameling
(C) corrosion
(D) coating
In the production of wrought iron Mg Si and P are removed in the form of___________________?
(A) oxides
(B) silicates
(C) slag
(D) carbonates
When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?
(A) tetrahedral
(B) square planar
(C) trigonal bipyramidal
(D) octahedral
In complex compounds the oxidation number is written in___________________?
(A) English
(B) Greek
(C) Roman numeral
(D) Hebrew
The nitrogenous base different in RNA as compared to DNA is_________________?
(A) Cytosine
(B) Thymine
(C) Adenine
(D) Guanine
The mechanism by which the genetic information can be duplicated is called_________________?
(A) Duplication
(B) Transcription
(C) Replication
(D) Mutation
Nucleic acids were first demonstrated in_________________?
(A) Pus cells
(B) Sperm heads
(C) 1872
(D) all of the above
Enzyme proved useful in cancer treatment is_______________?
(A) Lactic dehydrogenase
(B) Alkaline phosphatase
(C) L-asparaginase
(D) Cellulase
Enzymes from the same organism which catalyze same reaction but are chemically and physically distinct from each other are called______________?
(A) Oxidoreductases
(B) Hydrolases
(C) Isoenzymes
(D) Isomerases
Saponification is the hydrolysis of fat or oil with an__________________?
(A) Acid
(B) Alkali
(C) Enzyme and alkali
(D) Enzyme and acid