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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