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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Biomolecules-2 Set 5

Q1 | The product is realized from which site of the enzyme?
  • Simple site
  • active site
  • Complex site
  • Inactive site
Q2 | What ‘A’ and ‘B’ indicates in the given figure (reaction)?
  • A= ES complex B=S
  • A=S B=E
  • A= ES complex B=E
  • A= EP complex, B=E
Q3 | which of the following enzyme would correct glucose in to glucose-6-phosphate
  • Hydrolyses
  • Lyases
  • Isomerases
  • Trans ferase
Q4 | Glucose + ATP ? glucose – 6-phosphate +ADP which enzyme occur this reaction?
  • Glucose isomerase
  • Glucose oxidase
  • Glucose dehydrogenase
  • Hexokinase
Q5 | which enzyme would change glucose – 6 phosphate to fructose – 6 phosphate?
  • Transferase
  • Isomerase
  • Lyases
  • glucose phosphatase
Q6 | which enzyme involved in hydrolysis of maltose to glucose?
  • Synthetase
  • maltase
  • Galactose
  • Lyases
Q7 | the enzyme which also known as scissor?
  • Lyases
  • Ligarer
  • Isomerases
  • Trans ferasess
Q8 | which enzyme involved in conversion of a molecular in to an isomer?
  • Lyases
  • Synthetase
  • Isomerase
  • Transferase
Q9 | The enzyme which break up fructose 1, 6 biphosphate in to fructose phosphates known?
  • Aldolase
  • Phosphatase
  • Fructose phosphase
  • Fructose
Q10 | Which enzyme is needed to digest food reserve in pea seeds?
  • Lipase
  • Nuclease
  • Proteases
  • Amylase
Q11 | The best example of extra cellular enzyme is?
  • Nuclease
  • Digestive enzyme
  • Dehydrogenase
  • Lipase
Q12 | A non-protein component of enzyme is called?
  • Co-factor
  • Activator
  • Co-enzyme
  • Inhibitor
Q13 | Which is an enzyme that joins acetic acid to Co A with the help of energy?
  • Acetic acid co. A Synthetase
  • Ligases
  • Acetyl co. A Synthetase
  • No one
Q14 | Carbonic anhydrase is activated in the presence of which elements?
  • Mb
  • Mn
  • Ca
  • Zn
Q15 | Vanadium is necessary for the activation of which enzyme?
  • Kinase
  • Maltase
  • Nitrogenase
  • Enolase
Q16 | Find out the correct group of co. factor which is activated enolase?
  • Mg, Co, Ca
  • Mg, Mn, Zn
  • Co, Ca, V
  • Mn, Zn, V
Q17 | Which one is not a co. Enzyme?
  • NAD
  • NADP
  • FAD
  • ADP
Q18 | Find out the correct group of enzyme which is activated by calcium?
  • Nitric oxide Synthetase, protein phosphatase , adenylkinase
  • Acetyl co. A Synthetase, fructose isomerase protein phosphatase
  • Succinic dehydrogenase, Cytochrome oxidase, Aldolase
  • All above
Q19 | Which of the following sets is not co enzyme?
  • NAD, FAD, ATP
  • NAD, NHDP,FMN
  • Fe, Cu, Zn
  • V, Ca, Mg
Q20 | Co enzyme differs from prosthetic group because:-
  • They deactivates the enzymes
  • They do not attached with apoenzyme
  • They attached apoenzyme with loosely bound
  • They activates the enzymes
Q21 | S: protein carry out many functions in living organismsA: all enzymes are made up of proteinsR: they are responsible for maintenance of proper rates of biochemical reaction in cell
  • S&A are true but R is false
  • S,A&R are true and R&A are the correct explanation of S
  • S is true but A&R both are false
  • S,A&R are true but R&A are not the correct explanation of S
Q22 | Most abundant organic compound on earth is [C.B.S.E.2001] [karnataka- 2000]
  • Protein
  • Cellulose
  • Lipid
  • Steroid
Q23 | Which one is a simple protein? [Kerala 2004]
  • Albumin
  • Nucleoprotein
  • Lipoprotein
  • Glycoprotein
Q24 | Bond formed between the first phosphate group and adenosine in ATP is
  • Nitrophosphate bond
  • Adenophosphate bond
  • Phosphoanhydride bond
  • Phosphoester bond
Q25 | Nucleotides are building blocks of nucleic acids each nucleotide is a composite Molecule formed by [C.B.S.C. 2005]
  • (base-sugar-phosphate)n
  • base-sugar-OH
  • base-sugar-phosphate
  • sugar-phosphate