Purines and pyrimidines are__________________?
A. Enzymes
B. Nitrogenous bases
C. Carbohydrates
D. Lipids
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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Rate of enzymatic reaction is directly proportional to the concentration of___________________?
A. Enzyme
B. Substrate
C. Enzyme and substrate
D. Enzyme and product
Submitted by :- Jamil Ahmed
Lipopolysaccharides are examples of________________?
A. Derived lipids
B. Simple lipids
C. Compound lipids
D. Not a type of lipids
Submitted by :- Jamil Ahmed
Animal fats are located particularly in__________________?
A. Skeleton tissues
B. Cardiac tissues
C. Connective tissues
D. Adipose tissues
Submitted by :- Jamil Ahmed
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its_______________?
A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structure
Submitted by :- Jamil Ahmed
All proteins yield ___________ upon complete hydrolysis?
A. Nitrogen
B. Amino acids
C. Carbon and hydrogen
D. Sulphur
Submitted by :- Jamil Ahmed
Amylose is__________________?
A. Soluble in water
B. Insoluble in water
C. Soluble in alcohol
D. Partially soluble in alcohol
Submitted by :- Jamil Ahmed
Nylon 66 is obtained by heating___________________?
A. Acrylic acid
B. Epichlorohydrin
C. Vinyl chloride
D. Adipic acid with hexamethylene diamine
Submitted by :- Jamil Ahmed
Which one of the following set of raw material is most suitable for manufacture of urea ?
A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2
Submitted by :- Jamil Ahmed
How many zones through which the charge passes in a rotary kiln ?
A. 4
B. 3
C. 2
D. 5
Submitted by :- Jamil Ahmed