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

Q1 | Match the terms in column-I with suitable terms in column-II.Column – I Column – IIP Butyric acid i Long chain Unsaturated fatty acidQ Stearic acid ii Short chain Unsaturated fatty acidR Oleic acid iii Short chain Saturated fatty acidS Crotonic acid iv Long chain Saturated fatty acid
  • P iii Q iv R i S ii
  • P iii Q i R iv S ii
  • P iv Q iii R i S ii
  • P iv Q iii R ii S I
Q2 | Match the terms in column-I with suitable terms in column-II.Column – I Column – IIP Glucose i Stored food in plantsQ ellulose ii Reserve food in animalsR Starch iii The plant cell wallS Glycogen iv Most widely used in respiration
  • P iv Q iii R ii S i
  • P iv Q iii R i S ii
  • P iii Q i R iv S ii
  • P iii Q iv R ii S i
Q3 | Match the terms in column-I with suitable terms in column-II.Column – I Column – IIP Glycosidic bond i TriglyceridesQ Ester bond ii DinucleotideR Peptide bond iii DisaccharideS Phosphodiester bond iv Dipeptide
  • P i Q iii R ii S iv
  • P iii Q iv R i S ii
  • P iii Q i R iv S ii
  • P ii Q iv R iv S iii
Q4 | Match the terms in column-I with suitable terms in column-IIColumn – I Column – IIP PGAL i The plant cell wallQ Oleic acid ii Plasma membrane and membrane of organiles.R Glycerol iii Unsaturated fatty acidS Phospholipid iv Phosphate aldotriose sugarT Cellulose v Trihydroxy alcohol
  • P v Q iv R i S ii T iii
  • P iv Q v R ii S i T iii
  • P iii Q iv R ii S v T i
  • P iv Q iii R v S ii T i
Q5 | Which of the following statement regarding to properties of starch is not correct?
  • Present of amylose and amylopectin chains.
  • Stored food in plants.
  • Soluble in water.
  • Not sweet.
Q6 | Which one of the following pairs is not correctly matched?
  • Triose sugar?Glyceraldehyde ?Aldo sugar.
  • Pentose sugar ?Ribulose ?Keto sugar.
  • Hexoses sugar?Fructose ?Aldo sugar.
  • Triose sugar ?Dihydroxy acetose ?Keto sugar.
Q7 | Which the folowing pair regarding to biological importance of carbohydrates is not correctly matched?
  • Cellulose?Forms the plant cell wall.
  • Glycogen ?Reserve food in animals.
  • Ribose sugar?Structural components of ATP.
  • Galactose?The most widely used in respiration.
Q8 | Which the following regarding to examples of Keto sugar is not correctly?
  • Fructose
  • Ribulose
  • Ribose sugar
  • Dihydroxy acetose.
Q9 | Which of the following pairs is not correctly matched?
  • Butter – Glycerol + 3 Fatty acids.
  • Waxes – Monohydroxy alcohol + 1 Fatty acid.
  • Cortisone – Present of –COOH or >C=O group.
  • Glycolipid – Glycerol + Lipid.
Q10 | Which of the following option is not correctly for this molecule?
  • It is Keto hexoses sugar.
  • Hydrolysis of a molecule of maltose
  • It can pass through the cell membarane
  • Found in the juice of fruits.
Q11 | - C - OH
  • Palmitic acid
  • Stearic acid
  • Glycerol
  • Galactose
Q12 | Which one of the following pairs is not correctly matched?
  • Triose sugar – DHAP.
  • Starch – amylase and amyloprectin.
  • Phospholipid – plasma membarane.
  • Cortisone – sterols.
Q13 | Which one of the following pairs is correctly matched?
  • Fats ?Long saturated Fatty acidss chain.
  • Derivatives of Lipid ?Vitamins A, D, E.
  • Deoxyribose ?RNA.
  • Glycogen ?Forms the plant cell wall.
Q14 | Lipids are relatively insoluble in….
  • Chloroform
  • Water
  • Benzene
  • Ether.
Q15 | Which of the following statement regarding the Fatty acid is not correct?
  • Unsaturated fatty acids are two successive carbon atoms at certain places therein are linked by a double bond.
  • Saturated fatty acids are capable of accepting hydrogen or halogen atoms.
  • Butyric acid and palmitic acids are Saturated fatty acids
  • Crotonic acid and oleic acid are Unsaturated fatty acids.
Q16 | Which of the following statement regarding to Lipid is not correct?
  • Lipids are of three types i Simple ii Complex iii Steroids
  • The lipids are a heterogenous group of compounds related to Fatty acids.
  • Lipids are the important constituents of the diet because of their high energy value.
  • Lipids are formed of C, H and O atoms, The number of H atom is less than ahat of O.
Q17 | Which of the following statement regarding to Amylase is not correct?
  • Unbranched polysaccharide chains made up of glucose units.
  • Amylase occur in the constitution of glycogen.
  • Amylase occur in more amount in starch.
  • None of these.
Q18 | Which of the following statements are true?P : Those which have molecular weights 596 Dalton are called micromolecules.Q: Those which have molecular weights 1288 Dalton are called macromolecules.R: Lipids have molecular weight more than ten thousand Dalton and above.S: Biomolecules are of three types (i) micromolecules (ii) simply biomolecules and (iii) macromolecules.
  • P and Q
  • P, Q and R
  • R and S
  • Q and S.
Q19 | In the formation of triglyceride, glycerol get linked with any Fatty acids by…
  • –NH2
  • –COOH
  • –CHO
  • >C=O
Q20 | Find out the wrongly matched pair[Kerala PMT 010]
  • Primary metabolite - Ribose.
  • Secondary metabolite - Insulin.
  • Protein - Insulin.
  • Cellulose - Heteropolymer.
Q21 | Chitin is a…… [WB JEE 2010]
  • Polysaccharide
  • Nitrogenous polysaccharide
  • Lipoprotein
  • Protein
Q22 | In a polysaccharide, the individual monosaccharides are linked by a...... [AMU( Med)2011, Kerala PMT 2011]
  • Glycosidic bond
  • Peptide bond
  • Ester bond
  • Phosphodiester bond
Q23 | Match the items in column-I with items in column-II and the correct answer.[Kerala PMT 2006]Column – I Column – IIP Triglyceride Animal hormonesQ Membrane lipid ii Feathers and leavesR Steroid iii PhospholipidsS Wax iv Fat stored in the form of droplets.
  • P iv Q iii R i S ii
  • P iv Q i R iii S ii
  • P iii Q iv R i S ii
  • P iv Q i R ii S iii
Q24 | Find out the correct combination …. [GSEB 2011]i) Triose sugar – Ribose.ii) Starch – amylase and amylopectiniii) Plasma membarane – phospholipidiv) Malanin – sterolsv) Pitutary hormones – peptide.
  • Only ii, iii and iv
  • Only I, ii and iii
  • Only I and iii
  • Only ii, iii and v
Q25 | Generally protein and carbohydarte components are found in cow milk… [KCET 2005]
  • Albumin, Lactose
  • Globulin, Casin
  • Casin, Lactose
  • Casin, Fructose