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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Biomolecules-2 Set 1
Q1 | Aspartic acid and lysine are linkage each other with which bond:
- Ester bond
- Glycoside bond
- Phosphodiaster bond
- Peptide bond
Q2 | Match column – I and column –II and select the correct option:Column – I column – II(P)Arginine (i) polar and negatively changed ‘R’ group(Q) Glassine (ii) non polar ‘R’ group(R) Methionine (iii) polar and positively changed ‘R’ group(S) Aspartic acid (iv) polar and ‘R’ groupP Q R S
- iii iv ii i
- ii I iv iii
- I iv ii iii
- iii ii iv i
Q3 | Amino acids are attached each other with which bond?
- Ester bonds
- Hydrogen bonds
- Sulphur bonds
- peptide bonds
Q4 | Dipeptide means:
- Two similar amino acids attached by peptide bond
- Two dissimilar amino acids attached by peptide bond
- Two similar or dissimilar amino acids attached by peptide bond
- Two similar or dissimilar proteins attached by peptide bond
Q5 | Which macromolecule is the most diverse in cell and controlling biochemical Properties?
- Polynucleotide
- Polysaccharide
- Polypeptide
- polysomes
Q6 | The primary structure of proteins is due to
- Ionic bonds
- Peptide bonds
- Hydrogen bond
- S-S Linkages
Q7 | Proteins means
- Micromolecule
- Macromolecule
- Soluble
- Colloidal
Q8 | The structure of protein can be denatured by
- At high temperature
- In dilute solution of acid
- In the presence of CO2
- a, b, c all
Q9 | Polypeptide means:
- A polypeptide chain is formed by more than two nucleotides
- A polypeptide chains is formed by more than two amino acids
- A polypeptide chains is formed by many similar amino acids
- A polypeptide chain is formed by many similar nucleotides
Q10 | Which bimolecular fights against infectious organisms?
- Lipid
- Nucleic acid
- Protein
- Enzyme
Q11 | Which one of the following is an amphoteric compound?
- Fatty acid
- Glutamic acid
- Nucleic acid
- Cellulose
Q12 | Proteins Consist which one of the following
- One polypeptide
- One polypeptide chain
- One or more polypeptide chain
- One ? and other ?– chain
Q13 | Which one of the following statement about amino acid is incorrect?
- They are classified on the basis of the ‘R’ group
- The structure of almost all amino acids are similar except their ‘R’ group
- All protein molecules are a heteropolymer of amino acid
- They are very important compounds of cytoplasm
Q14 | Which of the following process is formed by – COOH linked to – NH2 (peptide bond)
- Hydrogenation
- Dehydrogenation
- Reduction
- Oxidation
Q15 | End of every polypeptide chain is known as:
- Template
- Signal
- Antenna
- Terminal
Q16 | Which are the terminals of polypeptide chain?
- ‘R’ and ‘N’ terminal
- ‘P’ and ‘R’ terminal
- ‘H’ and ‘N’ terminal
- ‘N’ and ‘C’ terminal
Q17 | The secondary structure of protein means
- The flat and sheet like polypeptide chain
- The helically coilde like polypeptide chain
- The folding of polypeptide chain due to the presence of hydrogen bond
- a, b, c all
Q18 | Which of the following is correct for the quaternary structure of protein?
- It represents a three dimensional form of whole protein
- It forms with interaction between different polypeptide Chain.
- a and b both
- It forms the three dimensional arrangement of the atoms within a single polypeptide chain
Q19 | Which is the correct option for the following diagram?
- Fibrous protein
- Globular protein
- Polypeptide chain
- Three dimensional form of protein
Q20 | What –‘X’ indicates in the given figure?
- N-terminal
- P-terminal
- C-terminal
- H-terminal
Q21 | What is the shape of the three dimensional structure of protein?
- Flat sheet like
- Globular
- Fibrous
- b or c
Q22 | Which of the following bond groups are involved in the formation of quaternary Protein?
- Peptide bond, covalent bond
- Disulphide bond, Ionic bond
- Easter bond, phosphodiester bond
- b and c both
Q23 | Which one is not correct for hemoglobin?
- It is known as conjugated protein
- It is the combination 0f 2- ? and 2-? chain
- It is a protein which imparts color to the body
- It is molecule which contains four hacme groups.
Q24 | Find out the miss matched pair
- Melanin-imparts color to the body
- Hemoglobin – transport of oxygen
- Chlorophyll – must for photosynthesis
- Immunoglobulin- responsible for movements of body
Q25 | Which of the following statement is incorrect about lmmunoglobulin?
- It has the property of immunity
- It consist of more than one polypeptide chain
- It present in blood cell
- b and c both