CUET(PG) Biochemistry and Biotechnology Question Paper 2021 with Answer
CUET(PG) Biochemistry and Biotechnology Question Paper 2021 with Answer for the admission in M.Sc. in various Central Universities in India.
CUET(PG) Biochemistry and Biotechnology conducted by NTAExam held on 24.09.2021
1. Select the correct option:
You may feel relieved when something bad---
A. happensB. does not happen
C. is remembered
D. occurs
Answer
B. does not happen2. Select the most suitable synonym:
BARBARIAN
A. impoliteB. unkind
C. uncivilized
D. unlikenessv
Answer
C. uncivilized3. Which is the closest meaning of the phrase to be hard of hearing?
A. deafB. deaf and dumb
C. careless
D. arrogant
Answer
A. deaf4. Identify the meaning of the idiom from the options given:
in black and white
A. uselessB. in short
C. in writing
D. in full swing
Answer
C. in writing5. Select the most suitable antonym:
RAPTURE
A. despairB. elation
C. ecstasy
D. hell
Answer
A. despair6. Complete the second sentence by selecting the appropriate option:
One way to improve your health is to eat more fruit and vegetables. Alternatively---
A. you could fall illB. you could go on diet
C. you could exercise more
D. you could increase risk of your heart diseasec
Answer
C. you could exercise more7. Fill in the blank with right word:
An employee might be given a privilege as a form of
A. punishmentB. reward
C. increment
D. commendation
Answer
B. reward8. Select the correct option for use of 'the':
A. the DelhiB. the city of Delhi
C. the southern India
D. the long island
Answer
B. the city of Delhi9. Fill in the blank with correct preposition:
I am worried --- exam
A. onB. in
C. about
D. of
Answer
C. about10. Identify the meaning of the idiom from the options given:
Hit the road
A. end the journeyB. an accident
C. begin the journey
D. happy times
Answer
C. begin the journey11. What will come in place of the question mark (?) in the expression?
4003 x 77 21015= ? x 116
A. 2467B. 2476
C. 2477
D. 2478
Answer
B. 247612. Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): For making statues, we are using bronze.
Reason (R): Through the mixing of copper and tin, we produce bronze.
In the light of the above statements, choose the most appropriate answer from the options given below.
A Both (A) and (R) are correct and (R) is the correct explanation of (A) Reason (R)B. Both (A) and (R) are correct, but (R) is NOT the correct explanation of (A)
C. (A) is correct, but (R) is not correct
D. (A) is not correct, but (R) is corret
Answer
B. Both (A) and (R) are correct, but (R) is NOT the correct explanation of (A)13. The sum of five numbers is 260. The average of the first two numbers is 30 and the average of the last two numbers is 70. What is the third number?
A. 40B. 50
C. 55
D. 60
Answer
D. 6014. Thirty-six workers can finish a piece of work in 14 days. If the work is to be completed in 8 days, how many extra workers are required?
A. 20B. 23
C. 27
D. 29
Answer
C. 2715. What should come in the blank space in the following number series?
0, 2, ---, 18, 32, 50
A. 5B. 6
C. 7
D. 8
Answer
D. 816. Three of the four are alike in certain way based on the English alphabetical series and so form a group. Which is the one that does not belong to that group?
A. WXSTB. HCDE
C. QRMN
D. IJEF
Answer
B. HCDE17. If every alternate Saturdays and all Sundays are holidays in a 30 days month beginning on Saturday, then how many working days are there in that month?
A. 21B. 22
C. 23
D. 24
Answer
B. 22 and C. 2318. Pointing to a woman in the photograph, Neetu said, "Her son's father is the son-in-law of my mother". How is Neetu related to the woman?
A. MotherB. Sister
C. Aunt
D. Mother-in-law
Answer
B. Sister19. Suneeta travelled 5 km towards east direction. She turned right and went for 3 km. Then she turned west and travelled for 1 km. How far is she from the starting point?
A. 3 kmB. 5 km
C. 9 km
D. 10 km
Answer
B. 5 km20. In a certain code, TEMPORAL is written as OLDSMBSP. How is CONSIDER written in that code?
A. RMNBSFEJB. BNMRSFEJ
C. RMNBJEFS
D. TOPDQDCH
Answer
A. RMNBSFEJ21. Whose creations are Harshacharita and Kadambari?
A. KalhanaB. Panini
C. Banabhatta
D. Patanjali
Answer
C. Banabhatta22. Present-day Istanbul in Turkey was earlier known as:
A. AnkaraB. Ottoman
C. Constantinople
D. Byzantine
Answer
C. Constantinople23. Space X is:
A. an Indian autogiantB. a movie on space
C. name of a spy agency
D. an American private space company
Answer
D. an American private space company24. UN day is celebrated on:
A. 26th NovemberB. 24th November
C. 26th October
D. 24th October
Answer
D. 24th October25. The famous novel, Middlemarch was written by:
A. George EliotB. William Wordsworth
C. William Shakespeare
D. Ruskin Bond
Answer
A. George Eliot26. Which of the following Electronic transitions is not possible in UV-visible region?
A. n-π*B. σ-σ*
С. π-π*
D. None of these
Answer
B. σ-σ*27. Resolving power of a microscope mainly depends on:
A. Numerical apertureB. Refractive index
C. Objective lens
D. Ocular lens
Answer
A. Numerical aperture28. Which one of the following is not true according to Kasha's rule about fluorescence?
A. Bathochromic shift is observed in emission relative to absorptionB. Hypsochromic shift is observed in absorption relative to emission
C. Bathochromic shift is observed in absorption relative to emission
D. None of these
Answer
C. Bathochromic shift is observed in absorption relative to emission29. In reverse-phase liquid chromatography, stationary phase is:
A. PolarB. Non-polar
C. Hydrophilic
D. Ionic
Answer
B. Non-polar30. Diethylaminomethyl (DEAE) cellulose is an anion exchanger. It will prefer to bind with proteins having:
A. No chargeB. Positive charge
C. Negative charge
D. Binding does not related to charge
Answer
C. Negative charge31. Increase in the half-cell potential (E°):
A. Decreases the oxidizing abilityB. Increases the reducing ability
C. Increases the oxidizing ability
D. Increases the reaction spontaneity
Answer
C. Increases the oxidizing ability32. Lowest yield of ATP is achieved in:
A. FermentationB. Anaerobic respiration
C. Aerobic respiration
D. Both 1 and 2
Answer
A. Fermentation33. Which of the following is a molecular motor?
A. KinesinB. Kinetin
C. Keratin
D. Dynactin
Answer
A. Fermentation34. The key driving force for membrane transport is:
A. Membrane thicknessB. Distance
C. Molecular size
D. Concentration gradient
Answer
D. Concentration gradient35. Sedimentation rate of a particle will be zero when:
A. Density of the particle is less than surrounding mediumB. Density of the particle is more than the surrounding medium
C. Density of the particle and the surrounding medium are equal
D. Density of the particle is twice as the surrounding medium
Answer
C. Density of the particle and the surrounding medium are equal36. 70s ribosome is made up of:
A. 50s and 30s subunitsB. 50s and 40s subunits
C. 60s and 30s subunits
D. 60s and 40s subunits
Answer
A. 50s and 30s subunits37. For each ATP molecule breakdown, the Sodium-potassium pump causes movement of:
A. More Na+ out and less K+ inB. K out and Nat in on a one-for-one basis
C. Nat out and K+ in on a one-for-one basis
D. K+ and Na+ in same direction
Answer
A. More Na+ out and less K+ in38. The number of a Nuclear pore in a cell depends on the:
A. Size of the cellB. Transcriptional activity of the cell
C. DNA content of the cell
D. None of these
Answer
B. Transcriptional activity of the cell39. Which of the following is not a part of endomembrane system?
A. Golgi bodyB. Lysosome
C. Ribosome
D. Vesicles
Answer
C. Ribosome40. Michaelis-Menten constant (Km) is related to the:
A. Enzyme's affinity for the substrateB. Enzyme's activity for the substrate
C. Enzyme's specificity for the substrate
D. Enzyme's selectivity for the substrate
Answer
A. Enzyme's affinity for the substrate41. The organelle absent in plant cells is:
A. VacuolesB. Lysosome
C. Chloroplast
D. Centriole
Answer
D. Centriole42. Which of the following is not associated with the extracellular matrix of the cells?
A. ProteoglycansB. Cellulose
C. Collagen
D. Fibronectin
Answer
B. Cellulose43. The enzyme responsible for removal of DNA supercoils is:
A. HelicaseB. Topoisomerase
C. DNA ligase
D. DNA polymerase
Answer
B. Topoisomerase44. Which of the following is not a secondary messenger?
A. CalciumC. CAMP
B. Diacylglycerol
D. AMP
Answer
D. AMP45. Intramolecular rearrangements are catalyzed by:
A. TransferasesB. Oxidoreductases
C. Isomerases
D. Lyases
Answer
C. Isomerases46. An enzyme without its required cofactor prosthetic group is referred as:
A. CoenzymeB. Holoenzyme
C. Apoenzyme
D. Catalyst
Answer
C. Apoenzyme47. Gram staining is based on the presence of in the cell wall.
A. PhospholipidB. Peptidoglycan
C. Lipid A
D. Glycolipid
Answer
B. Peptidoglycan48. Lipopolysaccharide present in Gram negative bacterial cell wall is considered as an endotoxin because of:
A. Lipid AB. Core polysaccharide
C. O side chain
D. Integral proteins
Answer
A. Lipid A49. Antibacterial action of penicillin could be attributed to:
A. Inhibition of the enzyme transpeptidaseB. Inhibition of the cross linking of peptidoglycan side chain
C. Hydrolysis of peptidoglycan
D. Both A and B
Answer
D. Both A and B50. Severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2) is caused by a:
A. Single-stranded RNA virusB. Double-stranded RNA virus
C. Single-stranded DNA virus
D. Double-stranded DNA virus
Answer
A. Single-stranded RNA virus51. For exergonic reactions:
A. ΔGo (standard free energy change) is negative and Keq (equilibrium constant) is more than oneB. ΔGo is positive and Keq is more than one
C. ΔGo is negative and Keq is less than one
D. ΔGo is positive and Keq is less than one
Answer
A. ΔGo (standard free energy change) is negative and Keq (equilibrium constant) is more than one52. 2-keto-3-deoxy-6-phosphogluconate is an intermediate of:
A. Pentose phosphate pathwayB. Entner-Doudoroff Pathway
C. Embden-Meyerhof Pathway
D. Tricarboxylic acid cycle
Answer
B. Entner-Doudoroff Pathway53. Product of dissimilatory nitrate reduction is:
A. ammoniaB. nitrogen
C. nitrate
D. nitric oxide
Answer
A. ammonia54. Which of the following is not a type of microtubule associated with mitotic spindle?
A. PolarB. Astral
C. Central
D. Kinetochore
Answer
C. Central55. Which one of the following is the correct sequence of prophase-I stage?
A. Leptotene, Pachytene, Zygotene, Diplotene, DiakinesisB. Leptotene, Zygotene, Pachytene, Diakinesis, Diplotene
C. Zygotene, Leptotene, Pachytene, Diplotene, Diakinesis
D. Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis
Answer
D. Leptotene, Zygotene, Pachytene, Diplotene, Diakinesis56. Histones are rich in:
A. Lysine and ArginineB. Lysine and Asparagine
C. Glycine and Lysine
D. Leucine and Arginine
Answer
A. Lysine and Arginine57. Which one of the following is not true for euchromatin?
A. They are transcriptionally activeB. They are less condensed regions of chromosomes
C. Barr body is an example of euchromatin
D. All of these
Answer
C. Barr body is an example of euchromatin58. Proteins responsible for structural maintenance of chromosomes are:
A. CondensinB. Cohesin
C. Collagen
D. Both A and B
Answer
D. Both A and B59. Activity of protein kinase A is regulated by:
A. Adenylyl cyclaseB. Phosphodiesterase
C. Phospholipase C
D. Phosphorylase kinase
Answer
A. Adenylyl cyclase60. Pectin is a polymer of:
A. GlucoseB. Glucuronic acid
C. Galacturonic acid
D. Iduronic acid
Answer
C. Galacturonic acid61. Triple-helical coiled coil structure is characteristic of:
A. CelluloseB. Collagen
C. Elastin
D. Chymotrypsin
Answer
B. Collagen62. Which one of the following is not true for sliding filament model?
A. Shortening of I-band and H-zone with no effect on A-bandB. Shortening of I-band A-band and H-zone
C. No change in I-band and H-zone with shortening of A-band
D. Shortening of I-band and A-band with no effect on H-zone
Answer
A. Shortening of I-band and H-zone with no effect on A-band63. Which of the following proteins is associated with amphibian development?
A. CollagenB. Catenin
C. Fibrin
D. Keratin
Answer
B. Catenin64. Which of the following is not a pattern of cell movement during gastrulation?
A. IngressionB. Epiboly
C. Invasion
D. Invagination
Answer
C. Invasion65. Amphibian eggs undergo:
A. Equal radial holoblastic cleavageB. Unequal radial holoblastic cleavage
C. Equal radial meroblastic cleavage
D. Unequal radial meroblastic cleavage
Answer
B. Unequal radial holoblastic cleavage66. Which of the following is not true for master regulatory transcription factors?
A. Must be expressed when the specification of a cell type beginsB. Must regulate the expression of genes specific to that cell type
C. Must be able to redirect a cell's fate to this cell type
D. Must be expressed when the specification of a cell type ends
Answer
D. Must be expressed when the specification of a cell type ends67. Difference between chromatin regulation by high and low CpG promoters is:
A. High CpG content promoters repressed gene by DNA methylationB. Low CpG content promoters repressed gene by histone methylation
C. High CpG content promoters repressed gene by histone methylation
D. Low CpG content promoters repressed gene by histone acetylation
Answer
C. High CpG content promoters repressed gene by histone methylation68. NRSE stands for:
A. Notochord restrictive silencer elementB. Neural ectodermal specification enhancer
C. Neural restrictive specification enhancer
D. Neuron-restrictive silencer elements
Answer
D. Neuron-restrictive silencer elements69. Which substance determines the type of cleavage during development?
A. NucleusB. Cytoplasm
C. Yolk
D. Both A and B
Answer
C. Yolk70. Which of the following are not true for Karl Ernst von Baer's principles?
(a) General features of a large group of animals appear earlier in development as compared to the specialized features of a smaller group
(b) General features of a large group of animals appear later in development as compared to the specialized features of a smaller group
(c) Early embryo of a higher animal is look like a lower animal
(d) Early embryo of a higher animal is look like embryo of a lower animal
A. (a) and (c)B. (b) and (c)
C. (b) and (d)
D. (a) and (d)
Answer
B. (b) and (c)71. Enzymes involved in RNA interference are:
A. DicerB. Cohesin
C. Bicoid
D. Maskin
Answer
A. Dicer72. CRISPR is:
A. Clustered Regularly Interspaced Short Palindromic RepeatsB. Coordinated Regularly Interspaced Short Palindromic Repeats
C. Clustered Restrictive Interspaced Short Palindromic Regions
D. Coordinated Restrictive Interspaced Short Palindromic Repeats
Answer
A. Clustered Regularly Interspaced Short Palindromic Repeats73. Ramachandran plot is:
A. Used for determination of stable protein structuresB. Also called as - plot
C. Provide information about sterically favorable conformations
D. All of these
Answer
D. All of these74. Dextrans are:
A. Polymeric glucoseB. Polymeric galactose
C. Polymeric fructose D. Polymeric lactose
Answer
A. Polymeric glucose75. According to Bohr effect the oxygen transport ability of hemoglobin is more when:
A. pH decreasesB. pH increases
C. pH remains stable
D. It is not affected by pH
Answer
A. pH decreases76. Cells are small in size because:
A. It provides more surface area to volume ratioB. It provides less surface area to volume ratio C. Provides better regulation of cytoplasm by nucleus
D. Both A and B
Answer
A. It provides more surface area to volume ratio77. Protein purification in 2-dimentional gel electrophoresis is based on:
A. Molecular weightB. Charge
C. Number of subunits
D. Both A and B
Answer
D. Both A and B78. enzyme catalyzes conversion of fructose to fructose-6-phosphate requires as cofactor.
A. Phosphofructokinase-I, Mg+2B. Phosphofructokinase-II, Mg+2
C. Phosphofructokinase-I, Mn+2
D. Phosphofructokinase-II, Mn+2
Answer
A. Phosphofructokinase-I, Mg+279. Which of the following is not a possible catabolic fate of pyruvate?
A. Lactic acid fermentationB. Citric acid cycle
C. Ethanol fermentation
D. Glycolysis
Answer
D. Glycolysis80. Allosterically regulated enzymes are
A. Oligomeric proteinsB. Possess regulatory and catalytic domains
C. Shows sigmoidal behaviour
D. Both B and C
Answer
D. Both B and C81. Which of the following regulation occurs in slowest time frame?
A. Feedback regulationB. Allosteric regulation
C. Regulation through covalent modification
D. Enzyme synthesis through gene induction
Answer
C. Regulation through covalent modification82. The unit of maximum specific growth rate (max) is: -1
A. HoursB. Hours
C. Hours/litre
D. Hours/cell
Answer
A. Hours83. Mammals do not have ability to convert fatty acids to glucose because:
A. They cannot undergo glyoxylate cycleB. There is no need for such conversion
C. They can obtain glucose from other pathways
D. Both A and C
Answer
A. They cannot undergo glyoxylate cycle84. Formation of glycogen cannot be initiated in the absence of enzyme:
A. GlucokinaseB. Glycogenin
C. Glycogen phosphorylase
D. Glycogen kinase
Answer
B. Glycogenin85. Glucose sensors utilizes
A. Glucose oxidaseB. Glucose kinase
C. Glucose dehydrogenase
D. Both A and C
Answer
D. Both A and C86. Optical density is based on
A. Light refractionB. Light adsorption
C. Light diffraction
D. Light scattering
Answer
D. Light scattering87. Purity of DNA samples can be checked by measuring the ratio of absorbances at 260 and 280 nm. For a pure DNA sample the ratio should be:
A. 1.8B. < 1.8
C. < 1.0
D. > 2
Answer
A. 1.888. ATP molecules produced by oxidation of one molecule of palmitoyl-CoA to CO, and H2O are:
A. 38B. 108
C. 148
D. 40
Answer
B. 10889. Carbamoyl phosphate synthetase I (first enzyme in urea cycle) is allosterically regulated by:
A. N-acetylglutamateB. N-acetylglucosamine
C. N-acetylgalactosamine
D. N-acetylglucomate
Answer
A. N-acetylglutamate90. Phenylketonuria is caused by dysfunction of:
A. Phenylalanine hydroxylaseB. Phenylalanine monooxygenase
C. Phenylalanine mutase
D. Phenylalanine dioxygenase
Answer
A. Phenylalanine hydroxylase91. Key protein involved in complement activation is:
A. C5C. C9
B. C8
D. C3
Answer
D. C392. Separation of components in gas chromatography is based on:
A. Molecular weightB. Partition coefficient
C. Molarity
D. Conductivity
Answer
B. Partition coefficient93. Pervaporation is:
A. Ion removalB. Separation of liquids
C. Separation of solids
D. Water purification
Answer
B. Separation of liquids94. Obligate anaerobes are not able to survive in the presence of oxygen because of
A. Absence of both catalase and superoxideB. Presence of both catalase and superoxide
C. Presence of catalase but absence of superoxide dismutase
D. Presence of low levels of both catalase and superoxide dismutase
Answer
A. Absence of both catalase and superoxide95. Which of the following sentences is not true for pyrosequencing?
A. It is based on detection of pulses of chemiluminescenceB. Requires the activity of enzyme sulfurylase
C. Requires addition of dideoxynucleotides
D. None of these
Answer
C. Requires addition of dideoxynucleotides96. Match the List-I with List-II:
List-I
List-II
a. Translation
I. Nucleus
b. Replication
II. Mitochondria
c. ATP Synthesis
III. Stroma
d. Dark reaction of photosynthesis
IV. Cytoplasm
A. a-III, b-I, c-II, d-IVList-I | List-II |
---|---|
a. Translation | I. Nucleus |
b. Replication | II. Mitochondria |
c. ATP Synthesis | III. Stroma |
d. Dark reaction of photosynthesis | IV. Cytoplasm |
B. a-II, b-I, c-IV, d-III
C. a-IV, b-II, c-III, d-I
D. a-IV, b-I, c-II, d-III
Answer
D. a-IV, b-I, c-II, d-III97. Impermeability of mitochondrial inner membrane to most ion, electrons and protons is due to the presence of:
A. CardiolipinB. Collagen
C. Chitin
D. Cellulose
Answer
A. Cardiolipin98. Lateral root primordia are developed from:
A. PericycleB. Endodermis
C. Ectodermis
D. Xylem
Answer
A. Pericycle99. Agrobacterium tumefaciens is used for transformation in plant tissue culture because:
A. Both Agrobacterium and plants have similar genetic make-upB. Agrobacterium genomic DNA can transfer its genetic material to plants
C. vir genes of Agrobacterium aid in T-DNA transfer to plants
D. All of these
Answer
A. Both Agrobacterium and plants have similar genetic make-up100. Mutation in the class A genes in ABCDE model of flower development leads to whichpattern of floral organization?
A. Sepal-sepal-carpel-petalB. Petal-carpel-sepal-sepal
C. Carpel-stamen-stamen-carpel
D. Stamen-petal-petal-sepal
Answer
C. Carpel-stamen-stamen-carpel Share