Carbohydrates are polyhydroxy compounds of___________________?
A. Glucose
B. Glyceraldehyde’s
C. Oligosaccharides
D. Aldehydes and ketones
Submitted by :- Jamil Ahmed
CHEMISTRY
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Polyester resins are the product of the reaction of__________________?
A. Dihydric alcohol and dicarboxylic aromatic acids
B. Polyamines with aliphatic dicarboxylic acids
C. Styrene in the presence of catalyst
D. Epichlorohydrin with diphenyl propane
Submitted by :- Jamil Ahmed
A polymer in which three different monomers combine called_____________?
A. Copolymer
B. Terpolymer
C. Homopolymer
D. Biopolymer
Submitted by :- Jamil Ahmed
The nitrogenous base different in RNA as compared to DNA is_________________?
A. Cytosine
B. Thymine
C. Adenine
D. Guanine
Submitted by :- Jamil Ahmed
Nucleic acids were first demonstrated in_________________?
A. Pus cells
B. Sperm heads
C. 1872
D. all of the above
Submitted by :- Jamil Ahmed
Enzyme proved useful in cancer treatment is_______________?
A. Lactic dehydrogenase
B. Alkaline phosphatase
C. L-asparaginase
D. Cellulase
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
Saponification is the hydrolysis of fat or oil with an__________________?
A. Acid
B. Alkali
C. Enzyme and alkali
D. Enzyme and acid
Submitted by :- Jamil Ahmed
Triglycerides are easily hydrolyzed by enzymes called_________________?
A. Lyases
B. Ligases
C. Lipases
D. Hydrolases
Submitted by :- Jamil Ahmed
Purines and pyrimidines are__________________?
A. Enzymes
B. Nitrogenous bases
C. Carbohydrates
D. Lipids
Submitted by :- Jamil Ahmed