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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Biomolecules-1 Set 2

Q1 | Starch and Cellulose are the compounds made up to many units of……[CPMT 1988, 89, 93, 2009]
  • Simple sugar
  • Fatty acid
  • Glycerol
  • Amino acid
Q2 | Which of the following is the characteristic of plants… [MP PMT 2003]
  • Glucose and Cellulose
  • Pyruvic acid and Glucose
  • Cellulose and Starch
  • Starch snd Pyruvic acid
Q3 | Most common monomer of Carbohydrate is…… [Orissa JEE 2008]
  • Glucose
  • Fructose
  • Sucrose
  • Maltose
Q4 | Lipids are insoluble in water because lipid molecules are…… [CBSE PMT 2002]
  • Neutral
  • Zwitter ions
  • Hydrophobic
  • Hydrophillic
Q5 | Which of the following is not a disaccharide? [D PMT 2007]
  • Maltose
  • Starch
  • Sucrose
  • Lactose
Q6 | The repeating unit of Glycogen is…… [WB JEE 209]
  • Fructose
  • Mannose
  • Glucose
  • Galactose
Q7 | Maltose are insoluble in…… [PMT 2000]
  • Water
  • Alcohol
  • Acid
  • Basic
Q8 | Which is an organic component found in most cells? [DPMT 2009]
  • Glucose
  • Lignin
  • Sodium chloride
  • Oxygen
Q9 | Which of the following cell organelle is stored the information of synthesize Proteins?
  • Mitochondria
  • Nucleus
  • Chloroplast
  • Cell membrane
Q10 | Which of following elements are stored the information of Proteins?
  • Lipid
  • Polysaccharide
  • Amino acid
  • Nucleic acid
Q11 | Find out the Miss matched pairs:
  • Protein – important compounds of nucleus
  • Nucleic acid – major components of chromosomes
  • Amino acid – an amphoteric compound
  • Enzymes – Colloidal catalysts
Q12 | Which of the following are linked together to form Proteins ?
  • Phosphate
  • Nitrogen base
  • Sugar
  • Amino acids
Q13 | Which one of the following is incorrect for Protein:
  • They transport some nutrients across cell membrane
  • They are heteropolymer of amino acids
  • They possess C, H, O, N and P in their constitution
  • They are very important compounds of cytoplasm
Q14 | Total numbers of amino acids are involved in protein synthesis in Plants:
  • 10
  • 22
  • 13
  • 20
Q15 | Which one is the most abundant protein in the animal world?
  • Collagen
  • keratin
  • RUBISCO
  • Hemoglobin
Q16 | Full form of RUBISCO is:
  • Ribulose Bisulphate Carboxylase Oxygenare
  • Ribuose Biphosphate Carboxylase Oxygenare
  • Ribuose Bisulphate Carboxylase Oxygenare
  • Ribulose Biphosphate Carboxylase Oxygenare
Q17 | Match the items in column – I with appropriate items in column – II and pick up correct ansColumn – I Column – II(P) RUBISCO (i) contractile protein(Q) Keratin (ii) insoluble protein(R) Hemoglobin (iii) most abundant protein(S) globular (iv) conjugated proteinP Q R S
  • iii ii iv i
  • iii iv ii i
  • iv I iii ii
  • I ii iv iii
Q18 | Polypeptide chain of amino acid is:
  • Nucleic acid
  • Glycogen
  • Protein
  • Cellulose
Q19 | At high temperature proteins are:
  • Destroyed
  • inactive
  • denatured
  • a or b
Q20 | The structure of protein can be destroyed by which rays
  • Ultra violet rays
  • Infra red rays
  • Radio waves
  • Micro waves
Q21 | Amino acid is an amphoteric compound because:
  • It contains an amino group and a carboxyl group
  • It contains an amino group and a functional group
  • It contains a functional group and a carboxyl group
  • It contains one H and a-R group
Q22 | The unique property of each amino acid is determined by its particular:
  • –COOH group
  • –NH2 group
  • –R group
  • peptide bond
Q23 | Which of the following is the most widely classification method of amino acid:
  • Whittaker method
  • Linnaeus method
  • Ernest chain method
  • Lehninger method
Q24 | Which one is the correct group of amino acids with polar and negatively Charged –R group?
  • Glutamate, Tyrosine
  • Argentine, Lysine
  • Tryptophan, Proline
  • Glutamate, Aspartic acid
Q25 | Find out the one group of amino acids which are related with each other:
  • Valine, Histidine
  • Serine, Tyrosine
  • Glutamate, Proline
  • Lysine, Laucine