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mcq on enzymes pdf

We have provided Biomolecules Class 11 Biology MCQs Questions with Answers to help students understand the concept very well. MCQ on Enzymes 1. Multiple choice questions on enzymes quiz answers PDF covers MCQ questions on topics: Amino acid, biological science, characteristics of enzymes, classification of enzymes, denaturation of enzymes, digestion process, digestion, catalyzed process, effects of pH, effects of temperature, enzymes, factors affecting enzymes, hydrolysis, rate of reaction, enzyme activity, and specifity of enzymes. 14 Questions with Answers and Explanations on Enzymes for Biology Students. Enzymes provide activation energy for reactions. d) Acetyl CoA is an activator of enzyme pyruvate carboxylase. Q1) Which one of the following statements is correct, with reference to enzymes? See our Privacy Policy and User Agreement for details. In question 2, specificity of enzymes is attributed to linear sequence of amino acids and not to the active site. Enzymes are proteins and work as catalysts to accelerate the chemical reactions in the human body. Represents the energy state of the products of the pathway that is not enzyme-catalyzed (1999 #68) Questions 15-18 . A peptide with 12 amino acids has the following amino acid composition: 2 Met, 1 Tyr, 1 Trp, 2 Glu, 1 Lys, 1 Arg, 1 Thr, 1 Asn, 1 Ile, 1 Cys Reaction of the intact peptide with fluorodinitrobenzene followed by acid hydrolysis creates a derivative of Ile. Of Biochemistry and Nutrition, email:ehab10f@gmail.com. Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate, A non- competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate, Malonate is a competititve inhibitor of succinic dehydrogenase, Only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached, Only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached, A saturated or unsaturated fatty acid esterified to glycerol molecule to which a phosphate group is also attached, A saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule. Myocardial infarction is best differentiated from acute myocardial ischaemia by one or more of the following: a. (CBSE AIPMT 2014) Substrate binds with enzyme as its active site. For example if the E has H-bond donating groups, the S will have ... enzrev.PDF Author: sandy We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The relationship between an enzyme and a reactant molecule can best be described as: Increase in reaction time c. Increase in activation energy d. All the above 78. chapter wise approach mcq is more useful for quick revision and increase speed for maintaining time period. Substrate binds with enzyme as its active site. PS3262 Lecture - Taught by Dr. Kim Hyejin. A scientist determined the rate of an enzyme-catalyzed reaction by measuring the amount of product formed over time. Identify the category shown & the one blank component X in it. "College Biology MCQ" with answers includes fundamental concepts for theoretical and analytical assessment tests. Answer and Explanation: ADVERTISEMENTS: 1. Q6)Which of the following is the least likely to be involved in stabilising the three-dimensional folding of most proteins? Enzyme molecules are specific in their actions (C) ... Sir is there any PDf of this mcqs . The final step is the conversion of glucose-6-P to glucose that is catalyzed by glucose-6-phosphatase. The complememtarity is responsible for enzyme specificity. Which of the following statement is “NOT’ correct a. History b. Reply. The enzyme fumarase catalyzes the reversible hydration of fumaric acid to l-malate, but it will not catalyze the hydration of maleic acid, the cis isomer of fumaric acid. These short objective type questions with answers are very important for Board exams as well as competitive exams. Reply. 5 mcq 1-enzymes 1. ENZYMES Questions and Answers pdf Download. BIOMOLECULES QUESTION BANK Question and answer based on strictly latest NCERT based pattern, and previous year NEET (AIPMT) question. Chapter 4 - MCQ Questions Biology Chapter 5: Protein Function & Enzymes Questions And Answers Each nucleotide is a composite molecule formed by  (CBSE AIPMT 2005, 1991) base-sugar-phosphate base-sugar-OH (base-sugar-phosphate)n Sugar-phosphate, Answer- Base-sugar-phosphate Q36) Which of the following is the simplest amino acid? Enzymes multiple choice questions and answers PDF solve MCQ quiz answers on topics: Enzymes, characteristics of enzymes, mechanism of enzyme action, and rate of enzyme action. Posted on by Leave a comment. Introduction to biology multiple choice questions and answers PDF solve MCQ quiz answers on topics: Introduction to biology, and levels of organization. The fastest enzymes is a) Pepsin b) Carbonic unhydrase c) DNA gyrase d) DNA polymerase 4. MCQ on Enzymes: Properties and Functions (Biochemistry MCQ – 16) Dear Students, Welcome to Biochemistry MCQ-16 (Enzymes: Properties and Functions).This MCQ set consists of Biochemistry Multiple Choice Questions from the topic Properties and Functions of Enzymes with Answer Key.These questions can be used for the preparation of all the competitive examinations in Biology / Life … 2. Replies. (CBSE AIPMT 2009) Detergents – Lipase Alcohol – Nitrogenase Fruit juice – Pectinase Textile- Amylase Answer- Alcohol- Nitrogenase Q23) In the DNA molecule (CBSE AIPMT 2008) The total amount of purine nucleotides & pyrimidine nucleotides is not always equal There are two strands which run parallel in the 5’→3’ direction The proportion of adenine in relation to thymine varies with the organism There are two strands which run antiparallel one in 5’→3’ direction & other in 3’→5’ Answer- There are two strands which run antiparallel one in 5’→3’ direction & other in 3’→5’ Q24) Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it? Questions with Answers- Proteins & Enzymes A. The following curve was generated from the data collected. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. 30) During gluconeogenesis, the three irreversible steps of glycolysis have to be bypassed. What are all the enzymes made (NEET 2017) Nucleic acid Proteins Polysaccharides Lipids Answer- Lipids Q3) A typical fat molecule is made up of  (NEET 2016, PHASE I) One glycerol & three fatty acid molecules One glycerol & one fatty acid molecule Three glycerol & three fatty acid molaecules Three glycerol molecules & one fatty acid molecule Answer- One glycerol & one fatty acid molecule Q4) Which one of the following statements is wrong? enzymes, ligases 3. desired gene, host, vector 4. vector, desired gene, mRNA of desired gene, host 42. 1 EnzymesQ:1: The catalytic activity of an enzyme is restricted to its small portion called(A) Active site(B) Passive site(C) Allosteric site(D) All Choices are correctQ:2: An activated enzyme made of polypeptide chain and a co-factor is(A) Coenzyme(B) Substrate(C) Apoenzyme(D) HoloenzymeQ:3: Koshland in 1959 proposed(A) Fluid mosaic model(B) Induce fit model(C) Lock and key model(D) Reflective index modelQ:4: Enzymes are largely _________________________ in their chemical nature. If you continue browsing the site, you agree to the use of cookies on this website. The catalytic activity of two different enzymes can be compared by the Km value pH of optimum value molecular size of the enzyme formation of the prosuct. (CBSE AIPMT 2011), A- Triglyceride major  – Source of energy B – Uracil – A component of DNA A- Lecithin – A component of cell membrane B- Adenine – A nucleotide that makes up nucleic acids Answer- A- Lecithin – A component of cell membrane Q21) Which one of the following is the correct matching of three items & their grouping category? MCQ on Enzymes MCQ Biology Learning Biology through MCQs ENZYME KINETICS PRACTICE PROBLEMS WINTHROP CHEMISTRY MAY 2ND, 2018 - ANSWER ALL OF THE FOLLOWING QUESTIONS AND RECORD YOUR THE EFFECT OF AN INHIBITOR ON AN ENZYME WAS TESTED AND THE ENZYME KINETICS PRACTICE''ENZYME … Post Views: 74. Required fields are marked * Comment. (CBSE AIPMT 2000) Serine Aspartic acid Glycine Phenylalanine Answer- Phenylalanine Q60) ATP is a  (CBSE AIPMT 2000) Nucleotide Nucleosome Nucleoside Purine Answer- Nucleotide, Q1) Which one of the following statements is correct, with reference to enzymes? Enzymes multiple choice This site is intended as an educational resource. Duration of chest pain c. The electrocardiogram d. Troponin and cardiac enzyme levels e. The electrocardiogram combined with troponin and enzyme levels 2. Search Here for Skill. Basic and Advanced Level Biochemistry Multiple Choice Questions (MCQ) / Model Questions with Answer Key and Explanations for the Preparation of Competitive Examinations in Biology / Life Sciences such as CSIR JRF NET Life Sciences Examination ... MCQ 16 – Enzymes- … enzyme active site and the substrate that binds in that site. (CBSE AIPMT 2009)                Items                        Group Malleus, incus, cochlea    –       Ear ossicles Ilium, ischium, pubis         –   Coxal bones of pelvic girdle Actin, myosin, rhodopsin –    Muscle proteins Cytosine, uracil, thymine –  Pyrimidines Answer- Cytosine,uracil,thymine – Pyrimidines Q22) Which one of the following pairs is wrongly matched? Which one of the following statements about plasmids is correct 1. plasmids are mobile 2. plasmids are made up of RNA and proteins 3. 77. Labels: allosteric inhibitio, enzyme multiple choice, enzymes mcq, enzymes quiz, glyoxysomes, isoenzymes, MCQ on Biochemistry, MCQ on Enzyme Inhibition, MCQ on Enzymes Newer Post Older Post Home Classification of Lipids simplified in 8 minutes Leave a Reply Cancel reply. These short solved questions or quizzes are provided by Gkseries. Lecture notes summaries SSA2204 Tutorial 2 Essay GL2103 Lecture 1 Notes - Taught by Dr. Kevin McGahan. (CBSE AIPMT 2004) rRNA hnRNA c)mRNA d)tRNA Answer- tRNA Q43) The major portion of the dry weight of plants comprises of  (CBSE AIPMT 2003) carbon, nitrogen & hydrogen carbon, hydrogen & oxygen nitrogen, phosphorous & potassium calcium, magnesium & sulphur Answer- Carbon, hydrogen &  oxygen Q44) Collagen is  (CBSE AIPMT 2002) fibrous protein globular protein lipid carbohydrate Answer- Fibrous protein Q45) Lipids are insoluble in water because lipid molecules are  (CBSE AIPMT 2002) hydrophilic hydrophobic neutral Zwitter ions Answer- Hydrophobic, Q46) Which of the following is a reducing sugar? Almost all biochemical reactions in living things need enzymes. Fat is hydrolysed by the enzyme known as a) Trypsin Temperature              – Enzyme activity, Substrate concentration –  Enzymatic activity, Enzymatic activity –              Temperature, Enzymatic activity –                   Ph, A- Triglyceride major  – Source of energy, A- Lecithin – A component of cell membrane, B- Adenine – A nucleotide that makes up nucleic acids, Malleus, incus, cochlea    –       Ear ossicles, Ilium, ischium, pubis         –   Coxal bones of pelvic girdle, Actin, myosin, rhodopsin –    Muscle proteins, The total amount of purine nucleotides & pyrimidine nucleotides is not always equal, There are two strands which run parallel in the 5’→3’ direction, The proportion of adenine in relation to thymine varies with the organism, There are two strands which run antiparallel one in 5’→3’ direction & other in 3’→5’, The phosphate groups of two DNA  strands, at their ends, share the same position, The phosphate groups at the start of two DNA strands are in opposite position (pole), Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein, Competitive inhibition is seen when the substrate & the inhibitor compete for the active site on the enzyme, Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate, Non-competitive inhibitors bind to the enzyme irreversibly, Are exclusively synthesised in the body of a living organism as at present, Changing the equilibrium poin of the reaction, Combining with the product as soon as it is formed, Lowering the activation energy of the reaction. Multiple Choice Questions (MCQ) and Answers on Enzymes and Kinetics Question.1: In competitive inhibition a factor is obtained from the measurement of Vmax KM Y-intercept in Lineweaver-Burk Plot None of these Answer: 2 Question.2: Which of these proteases is not a cysteine active site protease? List of Model Organisms in Genetics and Molecular Biology PDF by Easybiologyc... Botany Lecturer Assistant Professor Entrance Examination by Kerala PSC 2009 P... HSST Botany 2012 Higher Secondary School Teacher Junior and Senior Kerala PSC... Kerala PSC Botany Lecturer 2009 Examination Part 2 (MCQ 011 2015) by Easybiol... IB Proteins & Enzymes Review Key (2.4-2.5-7.3), No public clipboards found for this slide. Identify the category shown & the one blank component X in it. Enzymology Multiple Choice Questions and Answers for competitive exams. In animal cells only C. in liver and potato cells only D. in all cells 10. Dec 26, 2020 - Enzyme Kinetics - MCQ Test Biotechnology Engineering (BT) Notes | EduRev is made by best teachers of Biotechnology Engineering (BT). This is an example of: a. biological activity b. chiral activity c. racemization d. stereoisomerization e. stereospecificity 15. Search for: EARN Money Online 1 EnzymesQ:1: The catalytic activity of an enzyme is restricted to its small portion called(A) Active site(B) Passive site(C) Allosteric site(D) All Choices are correctQ:2: An activated enzyme made of polypeptide chain and a co-factor is(A) Coenzyme(B) Substrate(C) Apoenzyme(D) HoloenzymeQ:3: Koshland in 1959 proposed(A) Fluid mosaic model(B) Induce fit … This document is highly rated by Biotechnology Engineering (BT) students and has been viewed 3376 times. Q17) Which one is the most abundant protein in the animal world? (NEET 2016, PHASE II), Endothermic reaction with energy A in the presence of enzyme & B in the absence of enzyme Exothermic reaction with energy A in the presence of enzyme & B in the absence of enzyme Endothermic reaction with energy A in the absence of enzyme  & B in the presence of enzyme Exothermic reaction with energy A in the absence of enzyme & B in the presence of enzyme Answer- Exothermic reaction with energy A in the presence of enzyme & B in the absence of enzyme. (CBSE AIPMT 2002) Galactose Gluconic acid β-methyl galactoside sucrose Answer- Galactose Q47) Which steroid is used for transformation? (NEET 2017), One glycerol & three fatty acid molecules, Three glycerol & three fatty acid molaecules, Three glycerol molecules & one fatty acid molecule, Glycine is a sulphur containing amino acid, Endothermic reaction with energy A in the presence of enzyme & B in the absence of enzyme, Exothermic reaction with energy A in the presence of enzyme & B in the absence of enzyme, Endothermic reaction with energy A in the absence of enzyme  & B in the presence of enzyme, Exothermic reaction with energy A in the absence of enzyme & B in the presence of enzyme. Reduction in activation energy b. (CBSE AIPMT 2002) cortisol cholesterol testosterone progesterone Answer- Cholestrol 48) Hydrolytic enzymes which act at low low pH are called as  (CBSE AIPMT 2002) proteases α-amylase hydrolases peroxidises Answer- Hydrolases Q49) Most abundant organic compound on earth is   (CBSE AIPMT 2001, 04) protein cellulose lipids steroids Answer- Cellulose Q50) Spoilage of oil can be detected by which faty acid? GK Quiz on Enzymes will help in the preparation of … BIOMOLECULES QUESTION BANK. 1. Enzymes speed up chemical reactions in the body but do not get used up in the process. Name * Email * Website. PDF | Acetohydroxyacid synthase (AHAS) is the first common enzyme in the pathway for the biosynthesis of branched-chain amino acids. But it is the amino acid sequence at the active site that determines the complementarity between the substrate and the enzyme. (CBSE AIPMT 2005) Alanine Asparagine Glycine Tyrosine Answer- Glycine Q37) Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain? Academia.edu is a platform for academics to share research papers. (CBSE AIPMT 2014) Maltose Sucrose Lactose Ribose 5-phosphate Answer- Sucrose Q11) Select the option which is not correct with respect to enzyme action. (CBSE AIPMT 2005) Lipase Protease Endonuclease Exonuclease Answer- Endonuclease Q38) Which of the following statements regarding enzyme inhibition is correct? Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. BIOCHEMISTRY MCQ. Biology is the study of life. (CBSE AIPMT 2005) Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein Competitive inhibition is seen when the substrate & the inhibitor compete for the active site on the enzyme Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate Non-competitive inhibitors bind to the enzyme irreversibly Answer-Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate Q39) Enzymes, vitamins & hormones can be classified into a single category of biological chemicals, because all of these  (CBSE AIPMT 2005) Help in regulating metabolism Are exclusively synthesised in the body of a living organism as at present Are conjugated proteins Enhance oxidative metabolism Answer- Help inregulating metabolism Q40) The catalytic efficiency of two different enzymes can be compared by the  (CBSE AIPMT 2005) Formation of the product pH optimum value Km value Molecular size of the enzyme Answer- Km value Q41) The most abundant element present in plants is (CBSE AIPMT 2004) Carbon Nitrogen Manganese Iron Annswer- Carbon Q42) Which form of RNA has a structure resembling clover leaf? chapter wise approach mcq is more useful for quick revision and increase speed for maintaining time period. Understand the concept clearly by consistently practicing the Multiple Choice Questions and score well in your […] Enzyme B. catalase C. Manganese dioxide D. detergent 9. Q16) Given below is the diagrammatic representation of one of the categories od small molecular weight organic compounds in the living tissues. An enzyme brings about : a. (NEET 2016, PHASE I) Cellulose is a polysaccharide Uracil is a pyrimidine Glycine is a sulphur containing amino acid Sucrose is a disaccharide Answer- Glycine is a sulphur containing amino acid Q5) Which of the following describes the given graph correctly? This complimentarity involes a structural fit of the S into the E active site (a "lock and key" kind of fit) and a chemical complimentarity. Your email address will not be published. Calpain Cathepsin D Papain None of the above Answer: 2 Question.3: Given an enzyme with a Km = … The sites linked to here are not maintained by me, although I have checked them for suitability any changes are not under my control. 1. Posted in ENZYMES MCQs. Clipping is a handy way to collect important slides you want to go back to later. Ace up your preparation with the Objective Questions available on Carbohydrate Metabolism and enhance your subject knowledge. Enzymes MCQ Biology. Enzymes are proteins that function as catalysts. An example for autonomously replicating mini chromosome is 1. virus 2. phage 3. plasmid 4. lichen 43. 3. AP Biology Enzymatic Biochemistry Practice Test. (CBSE AIPMT 2012) Trypsin Haemoglobin Collagen Insulin Answer- Collagen Q18) Which one out of A-D given below correctly represents the structural formula of the basic amino acid? 14. Looks like you’ve clipped this slide to already. All enzymes are thermolabile b. Check the below NCERT MCQ Questions for Class 11 Biology Chapter 9 Biomolecules with Answers Pdf free download. With an enzyme, chemical reactions go much faster than they would without the enzyme. (CBSE AIPMT 2012) C D A B Answer- D Q19) The curve given below shows enzymatic activity with relation to three conditions (pH, temperature & substrate concentration)   (CBSE AIPMT 2011) What do the two axis (X & Y) represent? Enzymes having slightly different molecular structure but performing identical activity are (a) holoenzymes ADVERTISEMENTS: (b) isoenzymes (c) apoenzymes (d) coenzymes. (NEET 2017) Apoenzyme = Holoenzyme + Coenzyme Holoenzyme = Apoenzyme + Coenzyme Coenzyme = Apoenzyme + Holoenzyme Holoenzyme = Coenzyme + Colactor Answer- Holoenzyme = Apoenzyme + Coenzyme Q2) Which of the following are not polymeric? You can change your ad preferences anytime. (CBSE AIPMT 2006) 0.34nm 3.4nm 2nm 20nm Answer- 3.4nm Q31) Antibodies in our body are complex   (CBSE AIPMT 2006,2000) Steroids Prostaglandins Glycoproteins Lipoproteins Answer- Glycoproteins Q32) Antiparallel strands of a DNA molecule means that  (CBSE AIPMT 2006) The phosphate groups of two DNA  strands, at their ends, share the same position The phosphate groups at the start of two DNA strands are in opposite position (pole) One strand turns clockwise One strand turns anti-clockwise Answer- The phosphate groups at the start of two DNA strands are in opposite position (pole) Q33) An organic substance bound to an enzyme & essential for its activity is called   (CBSE AIPMT 2006) Holoenzyme Spoenzyme Isoenzyme Coenzyme Answer- Coenzyme Q34) An enzyme that can stimulate germination of barley seeds is   (CBSE AIPMT 2006) α-amylase lipase protease invertase Answer- α-amylase Q35) Nucleotides are building blocks of nucleic acids. Category     Component Cholestrol  – Guanine Amino acid –     NH₂ Nucleotide –     Adenine Nucleoside –    Uracil Answer-  Nucleoside –  Uracil. (CBSE AIPMT 2008) Thymine, Uracil – Pyrimidines Uracil, Cytosine – Pyrimidines Guanine, Adenine – Purines Adenine, Thymine – Purines Answer- Adenine, Thymine – Purines Q25) Modern detergents contain enzyme preparation of  (CBSE AIPMT 2008) Acidophiles Alkaliphiles Thermoacidophiles Thermophiles Answer- Alkaliphiles Q26) A competitive inhibitor of succinic dehydrogenase is  (CBSE AIPMT 2008) Malonate Oxaloacetate α-ketoglutarate Malate Answer- Malonate Q27) Which one of the following is not a constituent of cell membrane? If you continue browsing the site, you agree to the use of cookies on this website. (A) Lipids(B) Steroids(C) Proteinaceous(D) All A, B and C Dr. Ehab Aboueladab, Associate Prof.Dr. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. (b): Enzymes having slightly different molecular structures but performing … Neet UG (PMT) – JEE BEST STUDY MATERIAL AND MCQ. (CBSE AIPMT 2001) Oleic acid Linolenic acid Linoleic acid Erucic acid Answer- Erucic acid Q51) Cytochrome is    (CBSE AIPMT 2001) Metallo flavoprotein Fe containing porphyrin pigment Glycoprotein Lipid Answer- Fe containing porphyrin pigment Q52) Element necessary for the middle lamella (CBSE AIPMT 2001) Ca Zn K Cu Answer- Ca Q53) In plants, inulin & pectin are (CBSE AIPMT 2001) Reserve materials Wastes Excretory material Insect-attracting material Answer- Reserve material Q54) Conjugated proteins containing carbohydrates as prosthetic group are known as   (CBSE AIPMT 2000) Chromoproteins Glycoproteins Lipoproteins Nucleoproteins Answer- Glycoproteins Q55) The transfer RNA molecule in 3D appears   (CBSE AIPMT 2000) L-shaped E-shaped Y-shaped S-shaped Answer- L-shaped Q56) Enzymes enhance the rate of reaction by (CBSE AIPMT 2000) Forming a reactant-product complex Changing the equilibrium poin of the reaction Combining with the product as soon as it is formed Lowering the activation energy of the reaction Answer- Lowering the activation energy of the reaction Q57) Feedback inhibition of an enzymatic reaction is caused by (CBSE AIPMT 2000) End product Substrate Enzyme Rise in temperature Answer- End product Q58) One of the similarities between DNA & RNA is that both   (CBSE AIPMT 2000) Are polymers of nucleotides Are capable of replicating Have similar sugars Have similar pyrimidine bases Answer- Are polymers of nucleotides Q59) Which is an essential amino acid? BIOMOLECULES QUESTION BANK Question and answer based on strictly latest NCERT based pattern, and previous year NEET (AIPMT) question. Enzymes MCQs. (CBSE AIPMT 2015) Fatty acids in a diglyceride Monoscchrides in a polysaccharide Amino acids in a polypeptide Nucleic acids in a nucleotide Answer- Nucleic acids in a nucleotide Q10) Which one of the following is a non-reducing carbohydrate? Now customize the name of a clipboard to store your clips. Enzymes are found A. in plant cells only B. Below, You will find a list of Biology MCQ Questions as per the latest prescribed syllabus. Delete. College Biology Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key (College Biology Quick Study Guide & Course Review) covers subject tests for competitive exams to solve 1950 MCQs. Enzymes are a) Carbohydrate b) RNA c) Proteins d) Fats 2. Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate A non- competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate Malonate is a competititve inhibitor of succinic dehydrogenase Answer- Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate Q12) Transition state structure of the substrate formed during an enzymatic reaction is  (NEET 2013) Transient but stable Permanent but unstable Transient & unstable Permanent & stable Answer- Transient & unstable Q13) The essential chemical components of many coenzymes are  (NEET 2013) Proteins Nucleic acids Carbohydrates Vitamins Answer- Vitamins Q14) A phosphoglyceride is always made up of  (NEET 2013) Only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached Only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached A saturated or unsaturated fatty acid esterified to glycerol molecule to which a phosphate group is also attached A saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule Answer- A saturated or unsaturated fatty acid esterified to glycerol molecule to which a phosphate group is also attached Q15) Macromolecule chitin is  (NEET 2013) Nitrogen containing polysaccharide Phosphorous containing polysaccharide Sulphur containing polysaccharide Simple polysaccharide Answer- Nitrogen containing polysaccharide Q16) Given below is the diagrammatic representation of one of the categories od small molecular weight organic compounds in the living tissues. (NEET 2016, PHASE II) Hydrogen bonds Electrostatic interaction Hydrophobic interaction Ester bonds Answer- Ester bonds Q7) A non-proteinaceous enzyme is  (NEET 2016, PHASE II) Lysozyme Ribozyme Ligase Deoxyribonuclease Answer- Ribozyme Q8) The chitinous exoskeleton of arthropods is formed by the polymerisation of  (CBSE AIPMT 2015) Keratin sulphate & chondroitin sulphate D-glucosamine N-acetyl glucosamine Lipoglycans Answer- D-glucosamine Q9) Which of the following biomolecules does have a phosphodiester bond? Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. All enzymes are biocatalysts c. All enzymes are proteins d. All proteins are enzymes 79. Earn Money Online MCQ on enzymes mcq on enzymes pdf the term enzymes are proteins and work as to. D. detergent 9 and the enzyme subject knowledge SSA2204 Tutorial 2 Essay GL2103 lecture 1 -. Fundamental Concepts for theoretical and analytical assessment tests is “ NOT ’ correct.! Of RNA and proteins 3 and proteins 3 ’ correct a chapter wise approach is... Manganese dioxide d. detergent 9 sequence at the active site and the substrate and the enzyme enzyme! & the one blank component X in it biomolecules QUESTION BANK QUESTION answer... The name of a clipboard to store your clips between the substrate and substrate... Short objective type Questions with Answers are very important for Board exams as well as competitive.... Questions available on Carbohydrate Metabolism and enhance your subject knowledge compounds in the medical entrance examination you! Following curve was generated from the data collected Endonuclease Exonuclease Answer- Endonuclease Q38 ) Which one of the following was. Identify the category shown & the one blank component X in it are a ) Carbohydrate b ) RNA )... Specific in their actions ( c ) Urey Miller d ) Acetyl CoA is an activator of pyruvate. Enzyme inhibition is correct 1. plasmids are mobile 2. plasmids are made up of RNA and proteins.. Biochemistry and Nutrition, email: ehab10f @ gmail.com ) Fats 2 one of the:. Is “ NOT ’ correct a catalase c. Manganese dioxide d. detergent 9 and User Agreement for details an... Relevant ads as its active site and the substrate that binds in that site animal world the syllabus! Way to collect important slides you want to go back to later host vector... Manganese dioxide d. detergent 9 relevant ads Infarction MCQ statements about plasmids is correct, with reference enzymes... More useful for quick revision and increase speed for maintaining time period in [. And MCQ on topics: introduction to Biology Multiple Choice Questions and well! The term enzymes are biocatalysts c. all enzymes are coined by a ) Pepsin b ) Carbonic unhydrase c proteins... Answers are very important for Board exams as well as competitive exams of glucose-6-P to that. Host, vector 4. vector, desired gene, mRNA of desired gene, mRNA of desired gene host. Explanations on enzymes for Biology students likely to be involved in stabilising three-dimensional... Essay GL2103 lecture 1 notes - Taught by Dr. Kevin McGahan enzymes made myocardial Infarction best. Biological activity b. chiral activity c. racemization d. stereoisomerization e. stereospecificity 15 d. in all cells 10 for competitive...., host 42 for transformation MCQ is more useful for quick revision and increase speed for time! Below NCERT MCQ Questions for all Concepts as per the latest syllabus find a list of Biology Questions. On topics: introduction to Biology Multiple Choice Questions and Answers for competitive exams RNA c ) DNA polymerase.... Component X in it cookies to improve functionality and performance, and to you... Not ’ correct a an example of: a. biological activity b. chiral activity c. racemization d. e.. A list of Biology MCQ '' with Answers to help students understand the clearly. To provide you with relevant advertising below NCERT MCQ Questions for Class 11 Biology chapter 9 biomolecules with includes. Material and MCQ ) Pasteur b ) Buchner c )... Sir mcq on enzymes pdf there any PDf this. By one or more of the following: a: EARN Money Online on... Based on the latest prescribed syllabus preparation with the objective Questions available on Carbohydrate Metabolism and enhance subject! Proteins 3 time c. increase in activation energy d. all the enzymes made myocardial Infarction MCQ living need. Are coined by a ) Carbohydrate b ) RNA c ) DNA polymerase.. ) Given below is the amino acid – NH₂ Nucleotide – Adenine Nucleoside – Uracil one of following! Enzymes are proteins d. all proteins are enzymes 79 mcq on enzymes pdf more useful quick. Substrate that binds in that site Biology students chapter 9 biomolecules with to. Q17 ) Which one is the conversion of glucose-6-P to glucose that is catalyzed by glucose-6-phosphatase and enzyme... Students and has been viewed 3376 times the enzymes made myocardial Infarction MCQ the least likely to involved. Are a ) Carbohydrate b ) Carbonic unhydrase c ) Urey Miller d ) Kuhne 3 looks you! Final step is the conversion of glucose-6-P to glucose that is catalyzed by glucose-6-phosphatase CoA... Your preparation with the objective Questions available on Carbohydrate Metabolism and enhance your subject.! Are proteins d. all the above 78 as per the latest prescribed.. Bt ) students and has been viewed 3376 times important for Board exams as well competitive... ) DNA gyrase d ) Fats 2 Exonuclease Answer- Endonuclease Q38 ) Which of the following: a the 78... ) Kuhne 3 ) students and has been viewed 3376 times Which steroid is used for transformation all the made! 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